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[ CVE-2022-2294 · Published 28 Jul 2022 ]

WebRTC Heap Buffer Overflow Vulnerability

Exploited · CISA KEV CVSS 8.8 EPSS 71%No fix listed yet

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-08-25
  • Known to be used in ransomware campaigns
  • EPSS: 71% chance of exploitation in the next 30 days (higher than 99% of CVEs)

[ Description ]Official description

Heap buffer overflow in WebRTC in Google Chrome prior to 103.0.5060.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CISA: WebRTC, an open-source project providing web browsers with real-time communication, contains a heap buffer overflow vulnerability that allows an attacker to perform shellcode execution. This vulnerability impacts web browsers using WebRTC including but not limited to Google Chrome.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 15 Sep 2022): Apply updates per vendor instructions.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References