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Vulnerability Details :

CVE-2021-29987

Summary
Assigner-mozilla
Assigner Org ID-f16b083a-5664-49f3-a51e-8d479e5ed7fe
Published At-17 Aug, 2021 | 19:12
Updated At-03 Aug, 2024 | 22:24
Rejected At-
Credits

After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and Thunderbird < 91.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mozilla
Assigner Org ID:f16b083a-5664-49f3-a51e-8d479e5ed7fe
Published At:17 Aug, 2021 | 19:12
Updated At:03 Aug, 2024 | 22:24
Rejected At:
▼CVE Numbering Authority (CNA)

After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and Thunderbird < 91.

Affected Products
Vendor
Mozilla CorporationMozilla
Product
Firefox
Versions
Affected
  • From unspecified before 91 (custom)
Vendor
Mozilla CorporationMozilla
Product
Thunderbird
Versions
Affected
  • From unspecified before 91 (custom)
Problem Types
TypeCWE IDDescription
textN/AUsers could have been tricked into accepting unwanted permissions on Linux
Type: text
CWE ID: N/A
Description: Users could have been tricked into accepting unwanted permissions on Linux
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.mozilla.org/security/advisories/mfsa2021-33/
x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2021-36/
x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1716129
x_refsource_MISC
https://security.gentoo.org/glsa/202202-03
vendor-advisory
x_refsource_GENTOO
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-33/
Resource:
x_refsource_MISC
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-36/
Resource:
x_refsource_MISC
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1716129
Resource:
x_refsource_MISC
Hyperlink: https://security.gentoo.org/glsa/202202-03
Resource:
vendor-advisory
x_refsource_GENTOO
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.mozilla.org/security/advisories/mfsa2021-33/
x_refsource_MISC
x_transferred
https://www.mozilla.org/security/advisories/mfsa2021-36/
x_refsource_MISC
x_transferred
https://bugzilla.mozilla.org/show_bug.cgi?id=1716129
x_refsource_MISC
x_transferred
https://security.gentoo.org/glsa/202202-03
vendor-advisory
x_refsource_GENTOO
x_transferred
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-33/
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-36/
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1716129
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://security.gentoo.org/glsa/202202-03
Resource:
vendor-advisory
x_refsource_GENTOO
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@mozilla.org
Published At:17 Aug, 2021 | 20:15
Updated At:16 Mar, 2022 | 15:13

After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and Thunderbird < 91.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Primary2.04.3MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N
Type: Primary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Type: Primary
Version: 2.0
Base score: 4.3
Base severity: MEDIUM
Vector:
AV:N/AC:M/Au:N/C:P/I:N/A:N
CPE Matches

Linux Kernel Organization, Inc
linux
>>linux_kernel>>-
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
Mozilla Corporation
mozilla
>>firefox>>Versions before 91.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Mozilla Corporation
mozilla
>>thunderbird>>Versions before 91.0(exclusive)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-307Primarynvd@nist.gov
CWE ID: CWE-307
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://bugzilla.mozilla.org/show_bug.cgi?id=1716129security@mozilla.org
Issue Tracking
Vendor Advisory
https://security.gentoo.org/glsa/202202-03security@mozilla.org
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2021-33/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-36/security@mozilla.org
Vendor Advisory
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1716129
Source: security@mozilla.org
Resource:
Issue Tracking
Vendor Advisory
Hyperlink: https://security.gentoo.org/glsa/202202-03
Source: security@mozilla.org
Resource:
Third Party Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-33/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-36/
Source: security@mozilla.org
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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Matching Score-8
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Rejected-Not Available
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Action-Not Available
Vendor-Mozilla Corporation
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CVE-2011-3389
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
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||
7 Day CHG~0.00%
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Updated-11 Apr, 2025 | 00:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
Vendor-n/aMozilla CorporationMicrosoft CorporationCanonical Ltd.Google LLCDebian GNU/LinuxSiemens AGRed Hat, Inc.CURLOpera
Product-ubuntu_linuxwindowsfirefoxsimatic_rf615renterprise_linux_workstationopera_browsersimatic_rf615r_firmwarechromeinternet_explorerdebian_linuxsimatic_rf68xr_firmwareenterprise_linux_serversimatic_rf68xrenterprise_linux_desktopcurlenterprise_linux_server_ausenterprise_linux_eusn/a
CWE ID-CWE-326
Inadequate Encryption Strength
CVE-2011-3866
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
EPSS-0.42% / 61.32%
||
7 Day CHG~0.00%
Published-29 Sep, 2011 | 00:00
Updated-11 Apr, 2025 | 00:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
Vendor-n/aMozilla Corporation
Product-firefoxseamonkeyn/a
CVE-2011-2983
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
EPSS-0.85% / 74.44%
||
7 Day CHG~0.00%
Published-18 Aug, 2011 | 18:00
Updated-11 Apr, 2025 | 00:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Mozilla Firefox before 3.6.20, Thunderbird 2.x and 3.x before 3.1.12, SeaMonkey 1.x and 2.x, and possibly other products does not properly handle the RegExp.input property, which allows remote attackers to bypass the Same Origin Policy and read data from a different domain via a crafted web site, possibly related to a use-after-free.

Action-Not Available
Vendor-n/aMozilla Corporation
Product-thunderbirdfirefoxseamonkeyn/a
CWE ID-CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
CVE-2011-3663
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
EPSS-0.96% / 76.08%
||
7 Day CHG~0.00%
Published-21 Dec, 2011 | 02:00
Updated-11 Apr, 2025 | 00:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
Vendor-n/aMozilla Corporation
Product-thunderbirdfirefoxseamonkeyn/a
CWE ID-CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
CVE-2011-2366
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
EPSS-0.61% / 69.10%
||
7 Day CHG~0.00%
Published-30 Jun, 2011 | 15:26
Updated-11 Apr, 2025 | 00:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Mozilla Gecko before 5.0, as used in Firefox before 5.0 and Thunderbird before 5.0, does not block use of a cross-domain image as a WebGL texture, which allows remote attackers to obtain approximate copies of arbitrary images via a timing attack involving a crafted WebGL fragment shader.

Action-Not Available
Vendor-n/aMozilla Corporation
Product-geckothunderbirdfirefoxn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2025-8033
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.07% / 20.19%
||
7 Day CHG~0.00%
Published-22 Jul, 2025 | 20:49
Updated-04 Nov, 2025 | 15:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Incorrect JavaScript state machine for generators

The JavaScript engine did not handle closed generators correctly and it was possible to resume them leading to a nullptr deref. This vulnerability affects Firefox < 141, Firefox ESR < 115.26, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdFirefoxFirefox ESRThunderbird
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2022-28283
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.32% / 54.92%
||
7 Day CHG~0.00%
Published-22 Dec, 2022 | 00:00
Updated-16 Apr, 2025 | 15:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The sourceMapURL feature in devtools was missing security checks that would have allowed a webpage to attempt to include local files or other files that should have been inaccessible. This vulnerability affects Firefox < 99.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxFirefox
CWE ID-CWE-552
Files or Directories Accessible to External Parties
CVE-2011-2598
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
EPSS-0.11% / 29.69%
||
7 Day CHG~0.00%
Published-30 Jun, 2011 | 15:26
Updated-11 Apr, 2025 | 00:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The WebGL implementation in Mozilla Firefox 4.x allows remote attackers to obtain screenshots of the windows of arbitrary desktop applications via vectors involving an SVG filter, an IFRAME element, and uninitialized data in graphics memory.

Action-Not Available
Vendor-n/aMozilla Corporation
Product-firefoxn/a
CWE ID-CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
CVE-2011-1712
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
EPSS-0.33% / 55.53%
||
7 Day CHG~0.00%
Published-15 Apr, 2011 | 20:00
Updated-11 Apr, 2025 | 00:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The txXPathNodeUtils::getXSLTId function in txMozillaXPathTreeWalker.cpp and txStandaloneXPathTreeWalker.cpp in Mozilla Firefox before 3.5.19, 3.6.x before 3.6.17, and 4.x before 4.0.1, and SeaMonkey before 2.0.14, allows remote attackers to obtain potentially sensitive information about heap memory addresses via an XML document containing a call to the XSLT generate-id XPath function.

Action-Not Available
Vendor-n/aMozilla Corporation
Product-firefoxseamonkeyn/a
CWE ID-CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
CVE-2020-9666
Matching Score-8
Assigner-Adobe Systems Incorporated
ShareView Details
Matching Score-8
Assigner-Adobe Systems Incorporated
CVSS Score-5.5||MEDIUM
EPSS-3.27% / 86.87%
||
7 Day CHG~0.00%
Published-25 Jun, 2020 | 21:01
Updated-04 Aug, 2024 | 10:34
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Adobe Campaign Classic before 20.2 have an out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.

Action-Not Available
Vendor-Adobe Inc.Linux Kernel Organization, IncMicrosoft Corporation
Product-windowscampaign_classiclinux_kernelAdobe Campaign Classic
CWE ID-CWE-125
Out-of-bounds Read
CVE-2022-26386
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.10% / 28.50%
||
7 Day CHG~0.00%
Published-22 Dec, 2022 | 00:00
Updated-15 Apr, 2025 | 21:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Previously Firefox for macOS and Linux would download temporary files to a user-specific directory in <code>/tmp</code>, but this behavior was changed to download them to <code>/tmp</code> where they could be affected by other local users. This behavior was reverted to the original, user-specific directory. <br>*This bug only affects Firefox for macOS and Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 91.7 and Thunderbird < 91.7.

Action-Not Available
Vendor-Linux Kernel Organization, IncApple Inc.Mozilla Corporation
Product-firefox_esrthunderbirdlinux_kernelmacosThunderbirdFirefox ESR
CWE ID-CWE-377
Insecure Temporary File
CVE-2014-3166
Matching Score-8
Assigner-Chrome
ShareView Details
Matching Score-8
Assigner-Chrome
CVSS Score-4.3||MEDIUM
EPSS-1.20% / 78.59%
||
7 Day CHG~0.00%
Published-13 Aug, 2014 | 01:00
Updated-12 Apr, 2025 | 10:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The Public Key Pinning (PKP) implementation in Google Chrome before 36.0.1985.143 on Windows, OS X, and Linux, and before 36.0.1985.135 on Android, does not correctly consider the properties of SPDY connections, which allows remote attackers to obtain sensitive information by leveraging the use of multiple domain names.

Action-Not Available
Vendor-n/aLinux Kernel Organization, IncGoogle LLCApple Inc.Debian GNU/LinuxMicrosoft Corporation
Product-linux_kernelchromewindowsdebian_linuxiphone_osmac_os_xandroidn/a
CVE-2010-2764
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
EPSS-0.88% / 74.92%
||
7 Day CHG~0.00%
Published-09 Sep, 2010 | 18:00
Updated-11 Apr, 2025 | 00:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Mozilla Firefox before 3.5.12 and 3.6.x before 3.6.9, Thunderbird before 3.0.7 and 3.1.x before 3.1.3, and SeaMonkey before 2.0.7 do not properly restrict read access to the statusText property of XMLHttpRequest objects, which allows remote attackers to discover the existence of intranet web servers via cross-origin requests.

Action-Not Available
Vendor-n/aMozilla Corporation
Product-thunderbirdfirefoxseamonkeyn/a
CVE-2024-10463
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-7.5||HIGH
EPSS-0.47% / 63.94%
||
7 Day CHG~0.00%
Published-29 Oct, 2024 | 12:19
Updated-03 Nov, 2025 | 22:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Video frames could have been leaked between origins in some situations. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Firefox ESR < 115.17, Thunderbird < 128.4, and Thunderbird < 132.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdFirefoxFirefox ESRThunderbirdfirefoxfirefox_esrthunderbird
CWE ID-CWE-203
Observable Discrepancy
CVE-2024-10458
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.46% / 63.38%
||
7 Day CHG~0.00%
Published-29 Oct, 2024 | 12:19
Updated-03 Nov, 2025 | 22:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A permission leak could have occurred from a trusted site to an untrusted site via `embed` or `object` elements. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Firefox ESR < 115.17, Thunderbird < 128.4, and Thunderbird < 132.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdFirefoxFirefox ESRThunderbird
CWE ID-CWE-281
Improper Preservation of Permissions
CVE-2023-6865
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.45% / 63.11%
||
7 Day CHG~0.00%
Published-19 Dec, 2023 | 13:38
Updated-13 Feb, 2025 | 17:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

`EncryptingOutputStream` was susceptible to exposing uninitialized data. This issue could only be abused in order to write data to a local disk which may have implications for private browsing mode. This vulnerability affects Firefox ESR < 115.6 and Firefox < 121.

Action-Not Available
Vendor-Debian GNU/LinuxMozilla Corporation
Product-firefoxdebian_linuxfirefox_esrFirefox ESRFirefox
CVE-2020-6793
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.80% / 73.67%
||
7 Day CHG~0.00%
Published-02 Mar, 2020 | 04:05
Updated-04 Aug, 2024 | 09:11
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

When processing an email message with an ill-formed envelope, Thunderbird could read data from a random memory location. This vulnerability affects Thunderbird < 68.5.

Action-Not Available
Vendor-Mozilla Corporation
Product-thunderbirdThunderbird
CWE ID-CWE-908
Use of Uninitialized Resource
CVE-2023-6872
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.25% / 48.14%
||
7 Day CHG~0.00%
Published-19 Dec, 2023 | 13:38
Updated-13 Feb, 2025 | 17:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Browser tab titles were being leaked by GNOME to system logs. This could potentially expose the browsing habits of users running in a private tab. This vulnerability affects Firefox < 121.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxFirefox
CVE-2023-6209
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.35% / 56.83%
||
7 Day CHG-0.01%
Published-21 Nov, 2023 | 14:28
Updated-13 Feb, 2025 | 17:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal "/../" part in the path could be used to override the specified host. This could contribute to security problems in web sites. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

Action-Not Available
Vendor-Debian GNU/LinuxMozilla Corporation
Product-firefoxthunderbirddebian_linuxfirefox_esrFirefox ESRFirefoxThunderbird
CWE ID-CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVE-2023-6204
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.24% / 47.43%
||
7 Day CHG-0.01%
Published-21 Nov, 2023 | 14:28
Updated-13 Feb, 2025 | 17:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

On some systems—depending on the graphics settings and drivers—it was possible to force an out-of-bounds read and leak memory data into the images created on the canvas element. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

Action-Not Available
Vendor-Debian GNU/LinuxMozilla Corporation
Product-firefoxthunderbirddebian_linuxfirefox_esrFirefox ESRFirefoxThunderbird
CWE ID-CWE-125
Out-of-bounds Read
CVE-2010-1207
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
EPSS-0.26% / 48.81%
||
7 Day CHG-0.00%
Published-30 Jul, 2010 | 20:00
Updated-11 Apr, 2025 | 00:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Mozilla Firefox before 3.6.7 and Thunderbird before 3.1.1 do not properly implement read restrictions for CANVAS elements, which allows remote attackers to obtain sensitive cross-origin information via vectors involving reference retention and node deletion.

Action-Not Available
Vendor-n/aMozilla Corporation
Product-thunderbirdfirefoxn/a
CVE-2020-6792
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-4.3||MEDIUM
EPSS-0.95% / 76.00%
||
7 Day CHG~0.00%
Published-02 Mar, 2020 | 04:05
Updated-04 Aug, 2024 | 09:11
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

When deriving an identifier for an email message, uninitialized memory was used in addition to the message contents. This vulnerability affects Thunderbird < 68.5.

Action-Not Available
Vendor-Mozilla CorporationCanonical Ltd.
Product-ubuntu_linuxthunderbirdThunderbird
CWE ID-CWE-909
Missing Initialization of Resource
CWE ID-CWE-908
Use of Uninitialized Resource
CVE-2022-22745
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.47% / 63.88%
||
7 Day CHG~0.00%
Published-22 Dec, 2022 | 00:00
Updated-16 Apr, 2025 | 15:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Securitypolicyviolation events could have leaked cross-origin information for frame-ancestors violations. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

Action-Not Available
Vendor-Mozilla Corporation
Product-thunderbirdfirefox_esrfirefoxFirefox ESRFirefoxThunderbird
CWE ID-CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
CVE-2010-0648
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
EPSS-0.44% / 62.70%
||
7 Day CHG~0.00%
Published-18 Feb, 2010 | 17:19
Updated-11 Apr, 2025 | 00:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Mozilla Firefox, possibly before 3.6, allows remote attackers to discover a redirect's target URL, for the session of a specific user of a web site, by placing the site's URL in the HREF attribute of a stylesheet LINK element, and then reading the document.styleSheets[0].href property value, related to an IFRAME element.

Action-Not Available
Vendor-n/aMozilla Corporation
Product-firefoxn/a
CWE ID-CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
CVE-2010-0654
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
EPSS-0.70% / 71.64%
||
7 Day CHG~0.00%
Published-18 Feb, 2010 | 17:19
Updated-11 Apr, 2025 | 00:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Mozilla Firefox 3.5.x before 3.5.11 and 3.6.x before 3.6.7, Thunderbird 3.0.x before 3.0.6 and 3.1.x before 3.1.1, and SeaMonkey before 2.0.6 permit cross-origin loading of CSS stylesheets even when the stylesheet download has an incorrect MIME type and the stylesheet document is malformed, which allows remote attackers to obtain sensitive information via a crafted document.

Action-Not Available
Vendor-n/aMozilla Corporation
Product-thunderbirdfirefoxseamonkeyn/a
CWE ID-CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
CVE-2022-22750
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.32% / 54.92%
||
7 Day CHG~0.00%
Published-22 Dec, 2022 | 00:00
Updated-16 Apr, 2025 | 16:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

By generally accepting and passing resource handles across processes, a compromised content process might have confused higher privileged processes to interact with handles that the unprivileged process should not have access to.<br>*This bug only affects Firefox for Windows and MacOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 96.

Action-Not Available
Vendor-Mozilla CorporationMicrosoft CorporationApple Inc.
Product-firefoxmacoswindowsFirefox
CVE-2010-0172
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
EPSS-0.53% / 66.92%
||
7 Day CHG~0.00%
Published-25 Mar, 2010 | 20:31
Updated-11 Apr, 2025 | 00:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

toolkit/components/passwordmgr/src/nsLoginManagerPrompter.js in the asynchronous Authorization Prompt implementation in Mozilla Firefox 3.6 before 3.6.2 does not properly handle concurrent authorization requests from multiple web sites, which might allow remote web servers to spoof an authorization dialog and capture credentials by demanding HTTP authentication in opportunistic circumstances.

Action-Not Available
Vendor-n/aMozilla Corporation
Product-firefoxn/a
CVE-2014-1491
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-4.3||MEDIUM
EPSS-0.59% / 68.65%
||
7 Day CHG~0.00%
Published-06 Feb, 2014 | 02:00
Updated-25 Nov, 2025 | 17:50
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Mozilla Network Security Services (NSS) before 3.15.4, as used in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, SeaMonkey before 2.24, and other products, does not properly restrict public values in Diffie-Hellman key exchanges, which makes it easier for remote attackers to bypass cryptographic protection mechanisms in ticket handling by leveraging use of a certain value.

Action-Not Available
Vendor-n/aMozilla CorporationOracle CorporationCanonical Ltd.SUSEFedora ProjectopenSUSEDebian GNU/Linux
Product-enterprise_manager_ops_centerthunderbirdvm_serverfedorafirefoxubuntu_linuxseamonkeynetwork_security_serviceslinux_enterprise_desktopdebian_linuxopensuselinux_enterprise_serverlinux_enterprise_software_development_kitn/a
CWE ID-CWE-326
Inadequate Encryption Strength
CVE-2009-3989
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
EPSS-0.65% / 70.37%
||
7 Day CHG~0.00%
Published-03 Feb, 2010 | 19:00
Updated-11 Apr, 2025 | 00:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Bugzilla before 3.0.11, 3.2.x before 3.2.6, 3.4.x before 3.4.5, and 3.5.x before 3.5.3 does not block access to files and directories that are used by custom installations, which allows remote attackers to obtain sensitive information via requests for (1) CVS/, (2) contrib/, (3) docs/en/xml/, (4) t/, or (5) old-params.txt.

Action-Not Available
Vendor-n/aMozilla Corporation
Product-bugzillan/a
CVE-2006-2782
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
EPSS-1.44% / 80.38%
||
7 Day CHG~0.00%
Published-02 Jun, 2006 | 19:00
Updated-03 Apr, 2025 | 01:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Firefox 1.5.0.2 does not fix all test cases associated with CVE-2006-1729, which allows remote attackers to read arbitrary files by inserting the target filename into a text box, then turning that box into a file upload control.

Action-Not Available
Vendor-n/aMozilla Corporation
Product-firefoxseamonkeyn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2020-4783
Matching Score-8
Assigner-IBM Corporation
ShareView Details
Matching Score-8
Assigner-IBM Corporation
CVSS Score-5.9||MEDIUM
EPSS-0.17% / 38.54%
||
7 Day CHG~0.00%
Published-23 Nov, 2020 | 16:55
Updated-16 Sep, 2024 | 21:57
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

IBM Spectrum Protect Plus 10.1.0 through 10.1.6 could allow a remote attacker to obtain sensitive information, caused by the failure to properly enable HTTP Strict Transport Security. An attacker could exploit this vulnerability to obtain sensitive information using man in the middle techniques. IBM X-Force ID: 189214.

Action-Not Available
Vendor-IBM CorporationLinux Kernel Organization, Inc
Product-linux_kernelspectrum_protect_plusSpectrum Protect Plus
CWE ID-CWE-862
Missing Authorization
CVE-2014-1591
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-4.3||MEDIUM
EPSS-0.27% / 50.26%
||
7 Day CHG~0.00%
Published-11 Dec, 2014 | 11:00
Updated-12 Apr, 2025 | 10:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Mozilla Firefox 33.0 and SeaMonkey before 2.31 include path strings in CSP violation reports, which allows remote attackers to obtain sensitive information via a web site that receives a report after a redirect.

Action-Not Available
Vendor-n/aMozilla Corporation
Product-firefoxseamonkeyn/a
CVE-2023-4580
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.08% / 23.89%
||
7 Day CHG~0.00%
Published-11 Sep, 2023 | 08:01
Updated-18 Dec, 2025 | 15:23
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Push notifications saved to disk unencrypted

Push notifications stored on disk in private browsing mode were not being encrypted potentially allowing the leak of sensitive information. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

Action-Not Available
Vendor-Mozilla Corporation
Product-firefoxthunderbirdfirefox_esrFirefoxFirefox ESRThunderbird
CWE ID-CWE-311
Missing Encryption of Sensitive Data
CVE-2022-22760
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-6.5||MEDIUM
EPSS-0.29% / 51.45%
||
7 Day CHG~0.00%
Published-22 Dec, 2022 | 00:00
Updated-16 Apr, 2025 | 15:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

When importing resources using Web Workers, error messages would distinguish the difference between <code>application/javascript</code> responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

Action-Not Available
Vendor-Mozilla Corporation
Product-thunderbirdfirefox_esrfirefoxFirefox ESRFirefoxThunderbird
CWE ID-CWE-209
Generation of Error Message Containing Sensitive Information
CVE-2009-3375
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
EPSS-0.46% / 63.65%
||
7 Day CHG~0.00%
Published-29 Oct, 2009 | 14:00
Updated-07 Aug, 2024 | 06:22
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

content/html/document/src/nsHTMLDocument.cpp in Mozilla Firefox 3.0.x before 3.0.15 and 3.5.x before 3.5.4 allows user-assisted remote attackers to bypass the Same Origin Policy and read an arbitrary content selection via the document.getSelection function.

Action-Not Available
Vendor-n/aMozilla Corporation
Product-firefoxn/a
CWE ID-CWE-264
Not Available
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