Reference page — cumulative record through Thursday, October 8, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L N R U H H H 8.8 .4901 98.9 YES
AFFECTED Product Versions Fixed Chrome 117.0.5938.132 – — libvpx 1.13.1 – —
TIMELINE Sep 27 Reserved by Chrome Sep 28 Published (CNA: Chrome) Oct 2 Added to CISA KEV, remediation due 2023-10-23
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)
| Date | Event | Detail |
|---|---|---|
| September 27, 2023 | Reserved | Reserved by Chrome |
| September 28, 2023 | Published | Published (CNA: Chrome) |
| October 2, 2023 | KEV ADDED | Added to CISA KEV, remediation due 2023-10-23 |
Authoritative record: CVE-2023-5217 at cve.org
Vendors: google
Weaknesses: CWE-787
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-5217 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Thursday, October 8, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
