Intelligence online17 sources monitored8 actively exploited 7d26 published 24hChecked recently
Vulnerability record

CVE-2023-5217

Google Chromium libvpx Heap Buffer Overflow Vulnerability

HighExploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Chromium libvpx, fix it now.

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

US federal civilian agencies must remediate by Oct 23, 2023.

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

Description

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)

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

ProductVendorAffected versionsFixed inSource
ChromeGoogle< 117.0.5938.132117.0.5938.132NVD
Chromium libvpxGoogle——KEV
FirefoxMozilla< 115.3.1; < 118.0.1; < 118.1115.3.1; 118.0.1; 118.1NVD
iOS & iPadOSApple>= 17.0, < 17.0.3; 16.717.0.3NVD
Microsoft EdgeMicrosoft116.0.1938.98; 117.0.2045.47—NVD

Sources: NVD = NIST National Vulnerability Database; KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2023-5217 scored CVSS 8.8: Google Chromium libvpx, Google Chromium libvpx Heap Buffer Overflow Vulnerability

    CISA lists this as exploited in the wild. Unpatched Chromium libvpx systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

  2. Patch releasedUpdateKEV

    Patch released for CVE-2023-5217: Google Chromium libvpx, Google Chromium libvpx Heap Buffer Overflow Vulnerability

    An official fix is now available for Google Chromium libvpx. This vulnerability is being exploited, so apply it promptly.

    Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • chromereleases.googleblog.com https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_27.html
  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2023-5217
  • seclists.org http://seclists.org/fulldisclosure/2023/Oct/12
  • seclists.org http://seclists.org/fulldisclosure/2023/Oct/16
  • openwall.com http://www.openwall.com/lists/oss-security/2023/09/28/5
  • openwall.com http://www.openwall.com/lists/oss-security/2023/09/28/6
  • openwall.com http://www.openwall.com/lists/oss-security/2023/09/29/1
  • openwall.com http://www.openwall.com/lists/oss-security/2023/09/29/11
  • openwall.com http://www.openwall.com/lists/oss-security/2023/09/29/12
  • openwall.com http://www.openwall.com/lists/oss-security/2023/09/29/14
  • openwall.com http://www.openwall.com/lists/oss-security/2023/09/29/2
  • openwall.com http://www.openwall.com/lists/oss-security/2023/09/29/7
  • openwall.com http://www.openwall.com/lists/oss-security/2023/09/29/9
  • openwall.com http://www.openwall.com/lists/oss-security/2023/09/30/1
  • openwall.com http://www.openwall.com/lists/oss-security/2023/09/30/2
  • openwall.com http://www.openwall.com/lists/oss-security/2023/09/30/3
  • openwall.com http://www.openwall.com/lists/oss-security/2023/09/30/4
  • openwall.com http://www.openwall.com/lists/oss-security/2023/09/30/5
  • openwall.com http://www.openwall.com/lists/oss-security/2023/10/01/1
  • openwall.com http://www.openwall.com/lists/oss-security/2023/10/01/2
  • openwall.com http://www.openwall.com/lists/oss-security/2023/10/01/5
  • openwall.com http://www.openwall.com/lists/oss-security/2023/10/02/6
  • openwall.com http://www.openwall.com/lists/oss-security/2023/10/03/11
  • arstechnica.com https://arstechnica.com/security/2023/09/new-0-day-in-chrome-and-firefox-is-likely-to-plague-other-software/
  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2241191
  • crbug.com https://crbug.com/1486441
  • github.com https://github.com/webmproject/libvpx/commit/3fbd1dca6a4d2dad332a2110d646e4ffef36d590
  • github.com https://github.com/webmproject/libvpx/commit/af6dedd715f4307669366944cca6e0417b290282
  • github.com https://github.com/webmproject/libvpx/releases/tag/v1.13.1
  • github.com https://github.com/webmproject/libvpx/tags