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CVE-2026-0882

Published: Jan 13, 2026

Modified: Apr 13, 2026

PUBLISHED

Description

Use-after-free in the IPC component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

Vendor	Product	Versions
Mozilla	Firefox	unaffected `115.32 - <= 115.` unaffected `140.7 - <= 140.` unaffected `147 - <= *`
Mozilla	Thunderbird	unaffected `140.7 - <= 140.` unaffected `147 - <= `

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1924125

https://www.mozilla.org/security/advisories/mfsa2026-01/

https://www.mozilla.org/security/advisories/mfsa2026-02/

https://www.mozilla.org/security/advisories/mfsa2026-03/

https://www.mozilla.org/security/advisories/mfsa2026-04/

https://www.mozilla.org/security/advisories/mfsa2026-05/

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