CVE-2024-8381: firefox — Fix

Description

A potentially exploitable type confusion could be triggered when looking up a property name on an object being used as the `with` environment. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15.

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CVSS v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-843 CWE-843

Affected Products

Vendor	Product	Versions
mozilla	firefox	< 130.0
mozilla	firefox_esr	< 115.15
mozilla	firefox_esr	128.0 — 128.2

References

Advisories & Patches

https://www.mozilla.org/security/advisories/mfsa2024-39/ https://www.mozilla.org/security/advisories/mfsa2024-40/ https://www.mozilla.org/security/advisories/mfsa2024-41/

Other References

https://bugzilla.mozilla.org/show_bug.cgi?id=1912715 https://www.mozilla.org/security/advisories/mfsa2024-43/ https://www.mozilla.org/security/advisories/mfsa2024-44/ https://lists.debian.org/debian-lts-announce/2024/09/msg00012.html https://lists.debian.org/debian-lts-announce/2024/09/msg00025.html

Frequently Asked Questions

What is CVE-2024-8381? +

A potentially exploitable type confusion could be triggered when looking up a property name on an object being used as the `with` environment. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2024-8381? +

CVE-2024-8381 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-8381? +

CVE-2024-8381 affects products from mozilla, specifically: firefox, firefox_esr. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-8381? +

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.

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