High severity8.8NVD Advisory· Published Apr 16, 2024· Updated Jun 17, 2026
CVE-2024-3856
CVE-2024-3856
Description
A use-after-free could occur during WASM execution if garbage collection ran during the creation of an array. This vulnerability affects Firefox < 125.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <125.0
- (no CPE)range: <125
- (no CPE)range: unspecified
- osv-coords3 versionspkg:apk/chainguard/firefox-esrpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweed
< 125-r0+ 2 more
- (no CPE)range: < 125-r0
- (no CPE)range: < 125.0.2-1.1
- (no CPE)range: < 128.5.1-1.1
Patches
Vulnerability mechanics
References
2- www.mozilla.org/security/advisories/mfsa2024-18/nvdVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdIssue Tracking
News mentions
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