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Findings

CVE-2026-5732

Incorrect boundary conditions, integer overflow in the Graphics: Text component.

Published Apr 7, 2026 · updated Jul 15, 2026 · mozilla firefox

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.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 7, 2026 · NIST NVD

    Detected

    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.

  2. Jul 15, 2026 · NIST NVD

    Updated

    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.

Affected

  • cpe mozilla/firefoxversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-5732

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-5732

    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.

    nvd.nist.gov

References