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Vulnerability Details :

CVE-2021-4128

Summary
Assigner-mozilla
Assigner Org ID-f16b083a-5664-49f3-a51e-8d479e5ed7fe
Published At-22 Dec, 2022 | 00:00
Updated At-16 Apr, 2025 | 15:58
Rejected At-
Credits

When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially exploitable crash.<br>*This bug only affects Firefox on MacOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 95.

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:22 Dec, 2022 | 00:00
Updated At:16 Apr, 2025 | 15:58
Rejected At:
▼CVE Numbering Authority (CNA)

When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially exploitable crash.<br>*This bug only affects Firefox on MacOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 95.

Affected Products
Vendor
Mozilla CorporationMozilla
Product
Firefox
Versions
Affected
  • From unspecified before 95 (custom)
Problem Types
TypeCWE IDDescription
textN/AUse-after-free in fullscreen objects on MacOS
Type: text
CWE ID: N/A
Description: Use-after-free in fullscreen objects on MacOS
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/mfsa2021-52/
N/A
https://bugzilla.mozilla.org/show_bug.cgi?id=1735852
N/A
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-52/
Resource: N/A
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1735852
Resource: N/A
▼Authorized Data Publishers (ADP)
1. 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/mfsa2021-52/
x_transferred
https://bugzilla.mozilla.org/show_bug.cgi?id=1735852
x_transferred
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-52/
Resource:
x_transferred
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1735852
Resource:
x_transferred
2. CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-416CWE-416 Use After Free
Type: CWE
CWE ID: CWE-416
Description: CWE-416 Use After Free
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@mozilla.org
Published At:22 Dec, 2022 | 20:15
Updated At:16 Apr, 2025 | 16:15

When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially exploitable crash.<br>*This bug only affects Firefox on MacOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 95.

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:N/I:N/A:H
Secondary3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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:N/I:N/A:H
Type: Secondary
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:N/I:N/A:H
CPE Matches
Mozilla Corporation
mozilla
>>firefox>>Versions before 95.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Apple Inc.
apple
>>macos>>-
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-416Primarynvd@nist.gov
CWE-416Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-416
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-416
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://bugzilla.mozilla.org/show_bug.cgi?id=1735852security@mozilla.org
Exploit
Issue Tracking
Patch
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-52/security@mozilla.org
Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1735852af854a3a-2127-422b-91ae-364da2661108
Exploit
Issue Tracking
Patch
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-52/af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1735852
Source: security@mozilla.org
Resource:
Exploit
Issue Tracking
Patch
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-52/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1735852
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Exploit
Issue Tracking
Patch
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2021-52/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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