CVE-2023-5217

CISA KEV
ACT NOW Priority: 0.00 BB Relevance: 10/100
Published: N/A Modified: N/A First seen: 2026-10-29 Status: pending_score

Description

Google Chromium libvpx contains a heap buffer overflow vulnerability in vp8 encoding that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could impact web browsers using libvpx, including but not limited to Google Chrome.

CISA Known Exploited Vulnerability

Vendor / Product Google — Chromium libvpx
Date Added 2023-10-02
Remediation Due 2023-10-23
https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_27.html; https://nvd.nist.gov/vuln/detail/CVE-2023-5217

Bug Bounty Relevance

10 / 100
✓ Known exploited (KEV)

CVSS Score

Unscored

EPSS — Exploitation Probability

49.01%
Raw Score 0.490130
Percentile 98.9%
Date 2026-10-28

Intelligence Sources

kev ref →