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CVE-2023-5217: Google Chromium libvpx Heap Buffer Overflow Vulnerability

criticalknown exploitedpublic exploitCVE-2023-5217
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Googleproduct: ChromiumMemory corruption
What
A heap buffer overflow vulnerability in libvpx allows remote exploitation via crafted HTML.
Who is affected
Users of web browsers using Google Chromium, including Google Chrome.
Urgency
Remediation is critical due to active exploitation and the severity of the vulnerability.
Action
Update to the latest version of Google Chrome or affected browsers.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2023-10-02
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-5217

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2023-5217coverage & exploitation statusNVD · CVE.org

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