Google Chromium libvpx Heap Buffer Overflow Vulnerability
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)
What happened
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)
CISA lists it as exploited, added 02 Oct 2023.
Does it affect you
Names Mozilla Firefox, Google Chrome, Red Hat Enterprise Linux. Enter the product and version you run to place it against the affected range the vendor published.
What to do
- Apply the vendor patch named in this advisory.
openwall.com - Apply the vendor patch named in this advisory.
openwall.com - Follow the vendor advisory for the fixed release and any interim mitigation.
chromereleases.googleblog.com - Apply the vendor patch named in this advisory.
github.com - Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
cisa.gov
CISA’s notes for this entry:
Affected, as published to NVD
- firefox
- Mozilla Firefox: everything below 115.3.1
- chrome
- Google Chrome: everything below 117.0.5938.132
- rhel
- Red Hat Enterprise Linux: exactly 9.0
The record
- NVD status
- Analyzed
- Published
- 28 Sep 2023, last modified 17 Jun 2026 (NVD)
- Severity
- CVSS 3.1 base score 8.8, High — computed here from the vector; NVD states 8.8.
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness
- CWE-787 Out-of-bounds Write (NVD; names by MITRE)
- Exploitation
- Listed in CISA’s Known Exploited Vulnerabilities catalogue since 02 Oct 2023; federal remediation due 23 Oct 2023. CISA entry
- Exploit probability
- EPSS 49.0%, 99th percentile — FIRST, scored 23 Oct 2026. FIRST EPSS
- Vendor
- Google · Chromium libvpx (CISA)
References on the NVD record
- chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_27.htmlVendor Advisory
- openwall.com/lists/oss-security/2023/09/28/5Mailing ListPatchThird Party Advisory
- openwall.com/lists/oss-security/2023/09/28/6Mailing ListPatchThird Party Advisory
- github.com/webmproject/libvpx/commit/3fbd1dca6a4d2dad332a2110d646e4ffef36d590Patch
- github.com/webmproject/libvpx/commit/af6dedd715f4307669366944cca6e0417b290282Patch
- github.com/webmproject/libvpx/releases/tag/v1.13.1Release Notes
- seclists.org/fulldisclosure/2023/Oct/12Mailing ListThird Party Advisory
- seclists.org/fulldisclosure/2023/Oct/16Mailing ListThird Party Advisory
- openwall.com/lists/oss-security/2023/09/29/1Mailing ListThird Party Advisory
- openwall.com/lists/oss-security/2023/09/29/11Mailing ListThird Party Advisory
- openwall.com/lists/oss-security/2023/09/29/12Mailing ListThird Party Advisory
- openwall.com/lists/oss-security/2023/09/29/14Mailing ListThird Party Advisory
- openwall.com/lists/oss-security/2023/09/29/2Mailing ListThird Party Advisory
- openwall.com/lists/oss-security/2023/09/29/7Mailing ListThird Party Advisory
- openwall.com/lists/oss-security/2023/09/29/9Mailing ListThird Party Advisory
- openwall.com/lists/oss-security/2023/09/30/1Mailing ListThird Party Advisory
- openwall.com/lists/oss-security/2023/09/30/2Mailing ListThird Party Advisory
- openwall.com/lists/oss-security/2023/09/30/3Mailing ListThird Party Advisory
- openwall.com/lists/oss-security/2023/09/30/4Mailing ListThird Party Advisory
- openwall.com/lists/oss-security/2023/09/30/5Mailing ListThird Party Advisory
Sources
The verdict above is computed from the products and versions you entered and the affected ranges the vendor published to NVD. It does not inspect your environment, and this site never reports a product as unaffected: why.