CVE-2026-2795

CriticalCVSS 9.8/10Last modified Jul 15, 2026

Description

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

VendorProductVersions
MozillaFirefox—
MozillaThunderbird—
Red HatRed Hat Enterprise Linux 10—
Red HatRed Hat Enterprise Linux 10—
Red HatRed Hat Enterprise Linux 6—
Red HatRed Hat Enterprise Linux 7—
Red HatRed Hat Enterprise Linux 8—
Red HatRed Hat Enterprise Linux 9—

References

Timeline

Published
Feb 24, 2026
Last modified
Jul 15, 2026
NVD status
Modified

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CVE-2026-2795: Critical severity, CVSS 9.8 | Vulnix