Google Chromium libvpx Heap Buffer Overflow Vulnerability (CVE-2023-5217)
Severity: high · Patch status: patched · Since 2023-10-02 · CVE-2023-5217
Google Chromium libvpx contains a heap buffer overflow vulnerability in vp8 encoding that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could impact web browsers using libvpx, including but not limited to Google Chrome. CISA added CVE-2023-5217 to its Known Exploited Vulnerabilities catalog on Oct 2, 2023, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Oct 23, 2023 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
