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NVD Vulnerability Details :
CVE-2020-12387
Analyzed
More InfoOfficial Page
Source-security@mozilla.org
View Known Exploited Vulnerability (KEV) details
Published At-26 May, 2020 | 18:15
Updated At-14 Dec, 2021 | 20:23

A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.

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
Primary3.18.1HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary2.06.8MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
Type: Primary
Version: 3.1
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 6.8
Base severity: MEDIUM
Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
CPE Matches
Mozilla Corporation
mozilla
>>firefox>>Versions before 76.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Mozilla Corporation
mozilla
>>firefox_esr>>Versions before 68.8.0(exclusive)
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Mozilla Corporation
mozilla
>>thunderbird>>Versions before 68.8.0(exclusive)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-362Primarynvd@nist.gov
CWE-416Primarynvd@nist.gov
CWE ID: CWE-362
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-416
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://bugzilla.mozilla.org/show_bug.cgi?id=1545345security@mozilla.org
Issue Tracking
Permissions Required
https://security.gentoo.org/glsa/202005-03security@mozilla.org
Third Party Advisory
https://security.gentoo.org/glsa/202005-04security@mozilla.org
Third Party Advisory
https://usn.ubuntu.com/4373-1/security@mozilla.org
Broken Link
https://www.mozilla.org/security/advisories/mfsa2020-16/security@mozilla.org
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2020-17/security@mozilla.org
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2020-18/security@mozilla.org
Third Party Advisory
Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=1545345
Source: security@mozilla.org
Resource:
Issue Tracking
Permissions Required
Hyperlink: https://security.gentoo.org/glsa/202005-03
Source: security@mozilla.org
Resource:
Third Party Advisory
Hyperlink: https://security.gentoo.org/glsa/202005-04
Source: security@mozilla.org
Resource:
Third Party Advisory
Hyperlink: https://usn.ubuntu.com/4373-1/
Source: security@mozilla.org
Resource:
Broken Link
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2020-16/
Source: security@mozilla.org
Resource:
Third Party Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2020-17/
Source: security@mozilla.org
Resource:
Third Party Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2020-18/
Source: security@mozilla.org
Resource:
Third Party Advisory
Change History
0Changes found
Details not found