CVE-2024-6601

Race condition in permission assignment

State: Published
Severity: 4.7 Medium
Published: Jul 9, 2024
Updated: Oct 30, 2025
Reserved: Jul 9, 2024

Description

A race condition could lead to a cross-origin container obtaining permissions of the top-level origin. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.

Scores

CVSS	Score	Vector	Source
3.1	4.7 Medium	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L	CISA-ADP

Weaknesses

CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

Affected Products

Product	Versions
FirefoxMozilla	before 128Affected
Firefox ESRMozilla	before 115.13Affected
ThunderbirdMozilla	before 115.13Affected
ThunderbirdMozilla	before 128Affected

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1890748
https://www.mozilla.org/security/advisories/mfsa2024-29/
https://www.mozilla.org/security/advisories/mfsa2024-30/
https://www.mozilla.org/security/advisories/mfsa2024-31/
https://www.mozilla.org/security/advisories/mfsa2024-32/

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.