CVE-2023-5217
8.8
HIGH
CVSS 3.1
EPSS 49.0% · 99th pctCISA KEV · Exploited in the wild
2023-09-28•Updated 2025-10-21•KEV 2023-10-02
CISA Known Exploited Vulnerabilities
Google Chromium libvpx Heap Buffer Overflow Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
Added to KEV
2023-10-02
Remediation due
2023-10-23
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA notes
https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_27.html; https://nvd.nist.gov/vuln/detail/CVE-2023-5217
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)
Severity
CVSS 3.1 · CISA8.8 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSSVC · CISA-ADP
Exploitationactive
Automatableno
Technical impacttotal
Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Chrome | 117.0.5938.132 to <117.0.5938.132 | |
| libvpx | 1.13.1 to <1.13.1 |
References
52 LinksOther references
- https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_27.html
- https://crbug.com/1486441
- http://www.openwall.com/lists/oss-security/2023/09/28/5
- http://www.openwall.com/lists/oss-security/2023/09/28/6
- http://www.openwall.com/lists/oss-security/2023/09/29/1
- http://www.openwall.com/lists/oss-security/2023/09/29/2
- http://www.openwall.com/lists/oss-security/2023/09/29/7
- http://www.openwall.com/lists/oss-security/2023/09/29/9
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-44/
- https://security-tracker.debian.org/tracker/CVE-2023-5217
- https://bugzilla.redhat.com/show_bug.cgi?id=2241191
- https://stackdiary.com/google-discloses-a-webm-vp8-bug-tracked-as-cve-2023-5217/
- https://www.openwall.com/lists/oss-security/2023/09/28/5
- https://pastebin.com/TdkC4pDv
- https://github.com/webmproject/libvpx/commit/3fbd1dca6a4d2dad332a2110d646e4ffef36d590
- https://github.com/webmproject/libvpx/commit/af6dedd715f4307669366944cca6e0417b290282
- https://github.com/webmproject/libvpx/tags
- http://www.openwall.com/lists/oss-security/2023/09/29/11
- http://www.openwall.com/lists/oss-security/2023/09/29/12
- http://www.openwall.com/lists/oss-security/2023/09/29/14
- https://www.debian.org/security/2023/dsa-5510
- https://www.debian.org/security/2023/dsa-5509
- https://www.debian.org/security/2023/dsa-5508
- http://www.openwall.com/lists/oss-security/2023/09/30/1
- https://lists.debian.org/debian-lts-announce/2023/09/msg00038.html
- https://twitter.com/maddiestone/status/1707163313711497266
- https://arstechnica.com/security/2023/09/new-0-day-in-chrome-and-firefox-is-likely-to-plague-other-software/
- https://github.com/webmproject/libvpx/releases/tag/v1.13.1
- http://www.openwall.com/lists/oss-security/2023/09/30/3
- http://www.openwall.com/lists/oss-security/2023/09/30/2
- http://www.openwall.com/lists/oss-security/2023/09/30/4
- http://www.openwall.com/lists/oss-security/2023/09/30/5
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BCVSHVX2RFBU3RMCUFSATVQEJUFD4Q63/
- http://www.openwall.com/lists/oss-security/2023/10/01/2
- http://www.openwall.com/lists/oss-security/2023/10/01/1
- http://www.openwall.com/lists/oss-security/2023/10/01/5
- https://lists.debian.org/debian-lts-announce/2023/10/msg00001.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WTRUIS3564P7ZLM2S2IH4Y4KZ327LI4I/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/55YVCZNAVY3Y5E4DWPWMX2SPKZ2E5SOV/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4MFWDFJSSIFKWKNOCTQCFUNZWAXUCSS4/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CWEJYS5NC7KVFYU3OAMPKQDYN6JQGVK6/
- http://www.openwall.com/lists/oss-security/2023/10/02/6
- http://www.openwall.com/lists/oss-security/2023/10/03/11
- https://security.gentoo.org/glsa/202310-04
- https://support.apple.com/kb/HT213961
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AY642Z6JZODQJE7Z62CFREVUHEGCXGPD/
- http://seclists.org/fulldisclosure/2023/Oct/12
- https://lists.debian.org/debian-lts-announce/2023/10/msg00015.html
- https://support.apple.com/kb/HT213972
- http://seclists.org/fulldisclosure/2023/Oct/16
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TE7F54W5O5RS4ZMAAC7YK3CZWQXIDSKB/
- https://security.gentoo.org/glsa/202401-34
Record Details
Published
2023-09-28
Last updated
2025-10-21
Assigner (CNA)
Chrome
Credited to
-
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