CVE-2025-4082

MEDIUM EPSS 28.1%
Published Apr 29, 20251y ago · Modified Jun 17, 20262w ago
5.9 CVSS 3.1
Medium
Find Similar
Published Apr 29, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

Description

Modification of specific WebGL shader attributes could trigger an out-of-bounds read, which, when chained with other vulnerabilities, could be used to escalate privileges. *This bug only affects Thunderbird for macOS. Other versions of Thunderbird are unaffected.*. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10.

CVSS Details

Base Score
5.9
Exploitability
2.2
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
28.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-125 Out-of-bounds Read Memory Safety

Affected Products 5

VendorProductVersionRange
mozillafirefox* <115.23
mozillafirefox* <138.0
mozillafirefox*≥128.0  –  <128.10
mozillathunderbird* <128.10.0
mozillathunderbird* <138.0

References 7

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1937097
    Permissions Required
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/05/msg00022.html
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-28/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-29/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-30/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-31/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-32/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.