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9.8 Critical

CVE-2025-11708 Use-after-free in MediaTrackGraphImpl::GetInstance()

Description

Use-after-free in MediaTrackGraphImpl::GetInstance(). This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

Affected products and versions

Product	Affected versions	Fixed in
Firefox 144	earliest → < 144	144
Firefox 140.4	earliest → < 140.4	140.4
Firefox ESR 140.4	earliest → < 140.4	140.4
Thunderbird 144	earliest → < 144	144
Thunderbird 140.4	earliest → < 140.4	140.4

References

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

Timeline

Published October 14, 2025
Last modified April 13, 2026

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