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VULNERABILITIES

CVE-2026-2802 Details

Description

Race condition in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:4.2 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=2011069 [email protected]Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-13/ [email protected]Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-16/ [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')CISA-ADP

Affected Products

ProductVersions
mozilla firefox
< 148.0

CPE

  • cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*

Remediation

  • No remediation found in references.
mozilla thunderbird
< 148.0

CPE

  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-2802
NVD Published Date:
Feb 24, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-2802 Details - Not Deferred