Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2026-2796 Details

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CNA: redhat-SADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://access.redhat.com/security/cve/CVE-2026-2796	redhat-SADP
https://bugzilla.redhat.com/show_bug.cgi?id=2442301	redhat-SADP
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2796.json	redhat-SADP
https://bugzilla.mozilla.org/show_bug.cgi?id=2013165	[email protected]	Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-13/	[email protected]	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-16/	[email protected]	Vendor Advisory

CWE-ID	CWE Name	Source
CWE-843	Access of Resource Using Incompatible Type ('Type Confusion')	[email protected]
CWE-843	Access of Resource Using Incompatible Type ('Type Confusion')	CISA-ADP

Product	Versions
mozilla firefox	< 148.0
CPE cpe:2.3:a:mozilla:firefox:::::-:::* Remediation No remediation found in references.
mozilla thunderbird	< 148.0
CPE cpe:2.3:a:mozilla:thunderbird:::::-:::* Remediation No remediation found in references.

9 change records found show changes

QUICK INFO