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CVE-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…
High8.8Known exploitedPublic exploitEPSS 49.0%
- Published
- Updated
- Reserved
- Assigned by
- Chrome
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)
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Google Chromium libvpx Heap Buffer Overflow Vulnerability.
- Added
- 2 Oct 2023
- Fix due (US federal)
- 23 Oct 2023
- Used by ransomware
- Not known
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: it is being exploited.
Timeline
ID reserved
By Chrome
- 1 day later
· 1 day later
Published
- 4 days later
· 4 days later
Added to CISA KEV
Known exploited in the wild
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 49.0% · top 1.1% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
- Heap buffer overflow
- CWE-787 Out-of-bounds Write (opens in a new tab)All about CWE-787 and its CVEs
Affected products
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmelectronGHSA-qqvq-6xgj-jw8g (opens in a new tab)
References (53)
- https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_27.html (opens in a new tab)x_transferred
- https://crbug.com/1486441 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/28/5 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/28/6 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/29/1 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/29/2 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/29/7 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/29/9 (opens in a new tab)x_transferred
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-44/ (opens in a new tab)x_transferred
- https://security-tracker.debian.org/tracker/CVE-2023-5217 (opens in a new tab)x_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=2241191 (opens in a new tab)x_transferred
- https://stackdiary.com/google-discloses-a-webm-vp8-bug-tracked-as-cve-2023-5217/ (opens in a new tab)x_transferred
- https://www.openwall.com/lists/oss-security/2023/09/28/5 (opens in a new tab)x_transferred
- https://pastebin.com/TdkC4pDv (opens in a new tab)x_transferred
- https://github.com/webmproject/libvpx/commit/3fbd1dca6a4d2dad332a2110d646e4ffef36d590 (opens in a new tab)x_transferred
- https://github.com/webmproject/libvpx/commit/af6dedd715f4307669366944cca6e0417b290282 (opens in a new tab)x_transferred
- https://github.com/webmproject/libvpx/tags (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/29/11 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/29/12 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/29/14 (opens in a new tab)x_transferred
- https://www.debian.org/security/2023/dsa-5510 (opens in a new tab)x_transferred
- https://www.debian.org/security/2023/dsa-5509 (opens in a new tab)x_transferred
- https://www.debian.org/security/2023/dsa-5508 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/30/1 (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2023/09/msg00038.html (opens in a new tab)x_transferred
- https://twitter.com/maddiestone/status/1707163313711497266 (opens in a new tab)x_transferred
- https://arstechnica.com/security/2023/09/new-0-day-in-chrome-and-firefox-is-likely-to-plague-other-software/ (opens in a new tab)x_transferred
- https://github.com/webmproject/libvpx/releases/tag/v1.13.1 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/30/3 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/30/2 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/30/4 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/09/30/5 (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/BCVSHVX2RFBU3RMCUFSATVQEJUFD4Q63/ (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/10/01/2 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/10/01/1 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/10/01/5 (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2023/10/msg00001.html (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/WTRUIS3564P7ZLM2S2IH4Y4KZ327LI4I/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/55YVCZNAVY3Y5E4DWPWMX2SPKZ2E5SOV/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/4MFWDFJSSIFKWKNOCTQCFUNZWAXUCSS4/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/CWEJYS5NC7KVFYU3OAMPKQDYN6JQGVK6/ (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/10/02/6 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2023/10/03/11 (opens in a new tab)x_transferred
- https://security.gentoo.org/glsa/202310-04 (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT213961 (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/AY642Z6JZODQJE7Z62CFREVUHEGCXGPD/ (opens in a new tab)x_transferred
- http://seclists.org/fulldisclosure/2023/Oct/12 (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2023/10/msg00015.html (opens in a new tab)x_transferred
- https://support.apple.com/kb/HT213972 (opens in a new tab)x_transferred
- http://seclists.org/fulldisclosure/2023/Oct/16 (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/TE7F54W5O5RS4ZMAAC7YK3CZWQXIDSKB/ (opens in a new tab)x_transferred
- https://security.gentoo.org/glsa/202401-34 (opens in a new tab)x_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-5217 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-qqvq-6xgj-jw8g (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-5217)Record last updated .