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Findings

CVE-2023-5217

Google Chromium libvpx Heap Buffer Overflow Vulnerability

Published Sep 28, 2023 · updated Jun 16, 2026 · webmproject libvpx

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.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 28, 2023 · Catalog

    Detected

    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.

  2. Oct 2, 2023 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  3. Oct 23, 2023 · CISA KEV

    Remediation due

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA due date Oct 23, 2023

Affected

  • cpe apple/ipadosversion unspecified
  • cpe debian/debian linux10.0
  • cpe fedoraproject/fedora37
  • cpe google/chromeversion unspecified
  • cpe microsoft/edge116.0.1938.98
  • cpe microsoft/edge117.0.2045.47
  • cpe microsoft/edge chromium116.0.5845.229
  • cpe microsoft/edge chromium117.0.5938.132
  • cpe mozilla/firefoxversion unspecified
  • cpe webmproject/libvpxversion unspecified
  • vendor Google Chromium libvpxversion unspecified

Sources

  • CISA KEVCVE-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.gov
  • CVE.orgCVE-2023-5217

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2023-5217

    30-day exploitation probability 49.0%

    first.org
  • NIST NVDCVE-2023-5217

    Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

    nvd.nist.gov

References