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.
References
| Link | Resource |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1936454 | Permissions Required |
| https://www.mozilla.org/security/advisories/mfsa2025-07/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-09/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-10/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-11/ | Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html | |
| https://lists.debian.org/debian-lts-announce/2025/02/msg00006.html |
Configurations
Configuration 1 (hide)
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History
05 Oct 2026, 15:10
| Type | Values Removed | Values Added |
|---|---|---|
| Summary | (es) Un error en la generación de código de WebAssembly podría haber provocado un bloqueo. Es posible que un atacante haya podido aprovecharlo para ejecutar el código. Esta vulnerabilidad afecta a Firefox menor que 135, Firefox ESR menor que 128.7, Thunderbird menor que 128.7 y Thunderbird menor que 135. |
30 Sep 2026, 19:10
| Type | Values Removed | Values Added |
|---|---|---|
| Summary | (es) Un error en la generación de código de WebAssembly podría haber provocado un bloqueo. Es posible que un atacante haya podido aprovecharlo para ejecutar el código. Esta vulnerabilidad afecta a Firefox < 135, Firefox ESR < 128.7, Thunderbird < 128.7 y Thunderbird < 135. |
Information
Published : 2025-02-04 14:15
Updated : 2026-10-05 15:10
NVD link : CVE-2025-1011
Mitre link : CVE-2025-1011
CVE.ORG link : CVE-2025-1011
JSON object : View
Products Affected
mozilla
- firefox
- thunderbird
CWE