Medium severity4.0NVD Advisory· Published Jan 7, 2025· Updated Apr 13, 2026
CVE-2025-0240
CVE-2025-0240
Description
Parsing a JavaScript module as JSON could, under some circumstances, cause cross-compartment access, which may result in a use-after-free. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.
Affected products
3cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <134.0
- cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*range: <128.6.0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- www.mozilla.org/security/advisories/mfsa2025-01/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-02/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-04/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-05/nvdVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPermissions Required
- lists.debian.org/debian-lts-announce/2025/01/msg00004.htmlnvd
News mentions
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