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9.8 Critical

CVE-2026-2805 Invalid pointer in the DOM: Core & HTML component

Description

Invalid pointer in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

Affected products and versions

Product	Affected versions	Fixed in
Firefox 148	earliest → < 148	148
Thunderbird 148	earliest → < 148	148

References

bugzilla.mozilla.org bugzilla.mozilla.org
www.mozilla.org www.mozilla.org
www.mozilla.org www.mozilla.org

Timeline

Published February 24, 2026
Last modified April 13, 2026

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