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Findings

CVE-2026-4709

Incorrect boundary conditions in the Audio/Video: GMP component.

Published Mar 24, 2026 · updated Jun 17, 2026 · mozilla firefox

Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

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. Mar 24, 2026 · NIST NVD

    Detected

    Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

  2. Jun 17, 2026 · NIST NVD

    Updated

    Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Affected

  • cpe mozilla/firefoxversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-4709

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-4709

    Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

    nvd.nist.gov

References

CVE-2026-4709 · ZeroDay Findings