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A race during concurrent delazification could have led to a use-after-free. This vulnerability affects Firefox < 135, Firefox ESR < 115.20, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135.
Reserved 2025-02-04 | Published 2025-02-04 | Updated 2025-02-05 | Assigner mozillaUse-after-free during concurrent delazification
Nils Bars
bugzilla.mozilla.org/show_bug.cgi?id=1939710
www.mozilla.org/security/advisories/mfsa2025-07/
www.mozilla.org/security/advisories/mfsa2025-08/
www.mozilla.org/security/advisories/mfsa2025-09/
www.mozilla.org/security/advisories/mfsa2025-10/
www.mozilla.org/security/advisories/mfsa2025-11/
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