CVE-2023-4046

MEDIUM 5.3CVE-2023-4046 · Published 01/08/2023 · updated 17/06/2026

In short

CVE-2023-4046 is a MEDIUM (CVSS 5.3) vulnerability affecting firefox (mozilla).
Chance of exploitation in the next 30 days (EPSS): 1.1%, higher than 66.4% of all vulnerabilities.
Fix: update to 102.14, 115.1, 116.0 or later.

Package	Affected versions	Patched versions
firefox mozilla	`≥ 102.0, < 102.14≥ 115.0, < 115.1< 116.0`	`102.14115.1116.0`

Description

In some circumstances, a stale value could have been used for a global variable in WASM JIT analysis. This resulted in incorrect compilation and a potentially exploitable crash in the content process. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

References

bugzilla.mozilla.org/show_bug.cgi · Issue Tracking
lists.debian.org/debian-lts-announce/2023/08/msg00008.html
lists.debian.org/debian-lts-announce/2023/08/msg00010.html
debian.org/security/2023/dsa-5464 · Third Party Advisory
debian.org/security/2023/dsa-5469 · Third Party Advisory
mozilla.org/security/advisories/mfsa2023-29 · Vendor Advisory
mozilla.org/security/advisories/mfsa2023-30 · Vendor Advisory
mozilla.org/security/advisories/mfsa2023-31 · Vendor Advisory

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Package

Affected versions

Patched versions

firefox

mozilla

≥ 102.0, < 102.14≥ 115.0, < 115.1< 116.0

102.14115.1116.0

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