CVE-2024-6601: firefox — Fix

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.

Is your site exposed to CVE-2024-6601?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

4.7

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-367 CWE-367

Affected Products

Vendor	Product	Versions
mozilla	firefox	< 128.0
mozilla	firefox	< 128.0
mozilla	thunderbird	< 128.0

References

Advisories & Patches

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/ 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/

Other References

https://bugzilla.mozilla.org/show_bug.cgi?id=1890748 https://bugzilla.mozilla.org/show_bug.cgi?id=1890748

Frequently Asked Questions

What is CVE-2024-6601? +

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. It has a CVSS v3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2024-6601? +

CVE-2024-6601 has a CVSS v3.1 score of 4.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-6601? +

CVE-2024-6601 affects products from mozilla, specifically: firefox, thunderbird. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-6601? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-5958

When sed is invoked with both -i (in-place edit) and --follow-symlinks, the function open_next_file() performs two separate, non-atomic filesystem operations …

CVE-2026-42336

MaxKB is an open-source AI assistant for enterprise. MaxKB 2.8.0 and prior are vulnerable to a server-side request forgery (SSRF) …

CVE-2025-26620

Duende.AccessTokenManagement is a set of .NET libraries that manage OAuth and OpenId Connect access tokens. Duende.AccessTokenManagement contains a race condition …

CVE-2024-53694

A time-of-check time-of-use (TOCTOU) race condition vulnerability has been reported to affect several product versions. If exploited, the vulnerability could …

CVE-2025-32784

conda-forge-webservices is the web app deployed to run conda-forge admin commands and linting. In versions prior to 2025.4.10, a race …

CVE-2025-34027

The Versa Concerto SD-WAN orchestration platform is vulnerable to an authentication bypass in the Traefik reverse proxy configuration, allowing at …

CVE-2024-6601