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CVE-2026-2804
MEDIUM5.4
Description
Use-after-free in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 148 and Thunderbird < 148.
CVE Details
CVSS v3.1 Score5.4
SeverityMEDIUM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack VectorNETWORK
ComplexityLOW
Privileges RequiredNONE
User InteractionREQUIRED
Published2/24/2026
Last Modified2/25/2026
Sourcenvd
Honeypot Sightings0
Affected Products
mozilla:firefoxmozilla:thunderbird
Weaknesses (CWE)
CWE-416
References
https://bugzilla.mozilla.org/show_bug.cgi?id=2013584(security@mozilla.org)
https://www.mozilla.org/security/advisories/mfsa2026-13/(security@mozilla.org)
https://www.mozilla.org/security/advisories/mfsa2026-16/(security@mozilla.org)
IOC Correlations
No correlations recorded
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