CVE-2022-46884

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-08-24 · updated 2026-06-17
Weakness: CWE-416

Description

A potential use-after-free vulnerability existed in SVG Images if the Refresh Driver was destroyed at an inopportune time. This could have lead to memory corruption or a potentially exploitable crash. *Note*: This advisory was added on December 13th, 2022 after discovering it was inadvertently left out of the original advisory. The fix was included in the original release of Firefox 106. This vulnerability affects Firefox < 106.

Affected products

Mozilla Firefox: before 106.0 — fixed in 106.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 106.0. Check the vendor advisory for mitigations.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1786818
https://www.mozilla.org/security/advisories/mfsa2022-44/
https://bugzilla.mozilla.org/show_bug.cgi?id=1786818
https://www.mozilla.org/security/advisories/mfsa2022-44/

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