Firefox JavaScript GC UAF (CVE20262797)
CVE-2026-2797 Published on February 24, 2026

Use-after-free in the JavaScript: GC component
Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 148.

NVD

Products Associated with CVE-2026-2797

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Mozilla Firefox

Affected Versions

Mozilla Firefox:

Version unspecified and below 148 is affected.

Mozilla Thunderbird:

Version unspecified and below 148 is affected.