CVE-2026-5732

HIGH EPSS 17.8%
Published Apr 7, 20262mo ago · Modified Jun 17, 20261w ago
8.8 CVSS 3.1
High
Find Similar
Published Apr 7, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.

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
17.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-190 Integer Overflow or Wraparound Numeric Error

Affected Products 2

VendorProductVersionRange
mozillafirefox* <140.9.1
mozillafirefox* <149.0.2

References 5

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=2017867
    Issue TrackingPermissions Required
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2026-25/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2026-27/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2026-28/
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2026-29/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.