Is CVE-2023-5217 actively exploited?

CVE-2023-5217 has no public evidence of in-the-wild exploitation as of 2025-10-24.

What is the CVSS score for CVE-2023-5217?

CVE-2023-5217 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2023-5217?

Patch guidance is available from webmproject security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-5217.

Fix CVE-2023-5217 - HIGH webmproject libvpx

Q: Which products are affected by CVE-2023-5217?

21 products: webmproject libvpx, microsoft edge, microsoft edge, microsoft edge chromium, microsoft edge chromium, and 16 more.

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)

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-787 · Out-of-bounds Write CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: WEBMPROJECT
Published: 9/28/2023
Last Modified: 10/24/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

webmproject : libvpxmicrosoft : edgemicrosoft : edgemicrosoft : edge_chromiummicrosoft : edge_chromiummozilla : firefoxmozilla : firefoxmozilla : firefoxmozilla : thunderbirdfedoraproject : fedorafedoraproject : fedorafedoraproject : fedoradebian : debian_linuxdebian : debian_linuxdebian : debian_linuxapple : ipadosapple : ipadosapple : iphone_osapple : iphone_osgoogle : chromeredhat : enterprise_linux

Remediation Guidance

Executive Summary

View on NIST NVD