VDB

CVE-2026-109775

CVE-2026-109775 PUBLISHED CVSS 6.5 MEDIUM

Reported by mozilla · Published October 13, 2026

Denial-of-service in the WebRTC component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

Risk Scores

CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
MozillaFirefox153.5, 158
MozillaThunderbird153.5, 158
MozillaThunderbird153.5, 158
chainguardfirefox-esr-1400
MozillaFirefox153.5, 158

Timeline

  • Oct 13, 2026 Coalition ESS Score
  • Oct 13, 2026 CVE Published
  • Oct 13, 2026 CVE Updated
  • Oct 14, 2026 EPSS Score
  • Oct 19, 2026 EPSS Score
  • Oct 22, 2026 EPSS Score
  • Oct 25, 2026 EPSS Score
  • Oct 29, 2026 EPSS Score

References

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