Firefox <148: UAF in DOM Core/HTML
CVE-2026-2799 Published on February 24, 2026

Use-after-free in the DOM: Core & HTML component
Use-after-free in the DOM: Core & HTML component. This vulnerability affects Firefox < 148.

NVD

Products Associated with CVE-2026-2799

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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.