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CVE-2025-1011

Published: Feb 4, 2025

Modified: Apr 13, 2026

PUBLISHED

Description

A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

Vendor	Product	Versions
Mozilla	Firefox	unaffected `128.7 - <= 128.` unaffected `135 - <= `
Mozilla	Thunderbird	unaffected `128.7 - <= 128.` unaffected `135 - <= `

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1936454

https://www.mozilla.org/security/advisories/mfsa2025-07/

https://www.mozilla.org/security/advisories/mfsa2025-09/

https://www.mozilla.org/security/advisories/mfsa2025-10/

https://www.mozilla.org/security/advisories/mfsa2025-11/

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