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Description

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

PUBLISHED Reserved 2026-02-19 | Published 2026-02-24 | Updated 2026-02-24 | Assigner mozilla

Product status

Any version before 148
affected

Any version before 148
affected

Credits

Information to follow

References

bugzilla.mozilla.org/show_bug.cgi?id=2014551

www.mozilla.org/security/advisories/mfsa2026-13/

www.mozilla.org/security/advisories/mfsa2026-16/

cve.org (CVE-2026-2799)

nvd.nist.gov (CVE-2026-2799)

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