CVE-2025-3030

HIGH EPSS 35.0%
Published Apr 1, 20251y ago · Modified Jun 17, 20261w ago
8.1 CVSS 3.1
High
Find Similar
Published Apr 1, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 137, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9.

CVSS Details

Base Score
8.1
Exploitability
2.2
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
35.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 4

VendorProductVersionRange
mozillafirefox* <128.8.0
mozillafirefox* <136.0
mozillathunderbird* <128.8.0
mozillathunderbird*≥129.0  –  <136.0

References 6

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/buglist.cgi?bug_id=1850615%2C1932468%2C1942551%2C1951017%2C1951494
    Broken LinkIssue Tracking
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/04/msg00005.html
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-20/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-22/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-23/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-24/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.