CVE-2025-1011

HIGH EPSS 43.6%
Published Feb 4, 20251y ago · Modified Jun 17, 20262w ago
8.8 CVSS 3.1
High
Find Similar
Published Feb 4, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
43.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-94 Improper Control of Generation of Code (Code Injection) Injection

Affected Products 4

VendorProductVersionRange
mozillafirefox* <128.7.0
mozillafirefox* <135.0
mozillathunderbird* <135.0
mozillathunderbird*≥128.0.1  –  <128.7.0

References 7

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1936454
    Permissions Required
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/02/msg00006.html
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-07/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-09/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-10/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-11/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.