by Kastro
Paper/Archive/CVE-2025-1011

CVE-2025-1011

Mozilla Firefox — A bug in WebAssembly code generation could result in a crash

EPSS 0.6%CVSS 9.8
critical.is priorityof 100
40
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 50.4.504 × 2010.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Firefoxsee advisory128.7CNA
Thunderbirdsee advisory128.7CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refbugzilla.mozilla.org/show_bug.cgi?id=1936454refmozilla.org/security/advisories/mfsa2025-07refmozilla.org/security/advisories/mfsa2025-09refmozilla.org/security/advisories/mfsa2025-10refmozilla.org/security/advisories/mfsa2025-11reflists.debian.org/debian-lts-announce/2025/02/msg00006.htmlreflists.debian.org/debian-lts-announce/2025/02/msg00005.html