What’s Vulnerable › Vulnerabilities

CVE-2022-46882

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-22 · updated 2026-06-17
• Weakness: CWE-416

Description

A use-after-free in WebGL extensions could have led to a potentially exploitable crash. This vulnerability affects Firefox < 107, Firefox ESR < 102.6, and Thunderbird < 102.6.

Affected products

• Mozilla Firefox: before 107.0 — fixed in 107.0
• Mozilla Firefox ESR: before 102.6 — fixed in 102.6
• Mozilla Thunderbird: before 102.6 — fixed in 102.6

How to fix

Upgrade to a fixed version: Mozilla Firefox 107.0; Mozilla Firefox ESR 102.6; Mozilla Thunderbird 102.6. Check the vendor advisory for mitigations.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1789371
• https://security.gentoo.org/glsa/202305-06
• https://security.gentoo.org/glsa/202305-13
• https://www.mozilla.org/security/advisories/mfsa2022-47/
• https://www.mozilla.org/security/advisories/mfsa2022-52/
• https://www.mozilla.org/security/advisories/mfsa2022-53/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1789371
• https://security.gentoo.org/glsa/202305-06
• https://security.gentoo.org/glsa/202305-13
• https://www.mozilla.org/security/advisories/mfsa2022-47/
• https://www.mozilla.org/security/advisories/mfsa2022-52/
• https://www.mozilla.org/security/advisories/mfsa2022-53/

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