CVE-2026-2796
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mozilla | Firefox | 148 <= * | unaffected |
| Mozilla | Thunderbird | 148 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: total
firefox: thunderbird: JIT miscompilation in the JavaScript: WebAssembly component
Additional References
- https://access.redhat.com/security/cve/CVE-2026-2796
- https://bugzilla.redhat.com/show_bug.cgi?id=2442301
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2796.json
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2013165
- https://www.mozilla.org/security/advisories/mfsa2026-13/
- https://www.mozilla.org/security/advisories/mfsa2026-16/
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