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9.8 Critical

CVE-2026-92037 Incorrect boundary conditions in the DOM: Animation component

Description

Incorrect boundary conditions in the DOM: Animation component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.

Affected products and versions

Product	Affected versions	Fixed in
Firefox 156	earliest → < 156	156
Thunderbird 156	earliest → < 156	156

References

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

Timeline

Published September 15, 2026
Last modified September 21, 2026

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