CVE-2024-5693: firefox — Fix

Description

Offscreen Canvas did not properly track cross-origin tainting, which could be used to access image data from another site in violation of same-origin policy. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.

Is your site exposed to CVE-2024-5693?

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

CVSS v3.1 Score

6.1

MEDIUM

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

Weakness Type (CWE)

CWE-829 CWE-829

Affected Products

Vendor	Product	Versions
mozilla	firefox	< 115.12
mozilla	firefox	< 127.0
mozilla	thunderbird	< 115.12

References

Advisories & Patches

https://www.mozilla.org/security/advisories/mfsa2024-25/ https://www.mozilla.org/security/advisories/mfsa2024-26/ https://www.mozilla.org/security/advisories/mfsa2024-28/ https://www.mozilla.org/security/advisories/mfsa2024-25/ https://www.mozilla.org/security/advisories/mfsa2024-26/ https://www.mozilla.org/security/advisories/mfsa2024-28/

Other References

https://bugzilla.mozilla.org/show_bug.cgi?id=1891319 https://lists.debian.org/debian-lts-announce/2024/06/msg00000.html https://lists.debian.org/debian-lts-announce/2024/06/msg00010.html https://bugzilla.mozilla.org/show_bug.cgi?id=1891319 https://lists.debian.org/debian-lts-announce/2024/06/msg00000.html https://lists.debian.org/debian-lts-announce/2024/06/msg00010.html

Frequently Asked Questions

What is CVE-2024-5693? +

Offscreen Canvas did not properly track cross-origin tainting, which could be used to access image data from another site in violation of same-origin policy. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2024-5693? +

CVE-2024-5693 has a CVSS v3.1 score of 6.1 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-2024-5693? +

CVE-2024-5693 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-2024-5693? +

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-2026-59865

Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.32.5, `kiota info` read x-ms-kiota-info.languagesInformation.<language>.dependencyInstallCommand plus dependency name and …

CVE-2025-27510

conda-forge-metadata provides programatic access to conda-forge's metadata. conda-forge-metadata uses an optional dependency - "conda-oci-mirror" which was neither present on the …

CVE-2025-24796

Collabora Online is a collaborative online office suite based on LibreOffice. Macro support is disabled by default in Collabora Online, …

CVE-2024-45482

An Inclusion of Functionality from Untrusted Control Sphere vulnerability in the SSH server on B&R APROL <4.4-00P1 may allow an …

CVE-2025-36852

A critical security vulnerability exists in remote cache extensions for common build systems utilizing bucket-based remote cache (such as those …

CVE-2025-34060

A PHP objection injection vulnerability exists in the Monero Project’s Laravel-based forum software due to unsafe handling of untrusted input …

CVE-2024-5693