HIGHCVSS v3.1 8.8Actively exploited · CISA KEV since 2023-10-02Vulnerability

CVE-2023-5217

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.

Properties

Euvd product
Chrome, libvpx
Vulnerability name
Google Chromium libvpx Heap Buffer Overflow Vulnerability
First seen
2025-10-21T23:05:36+00:00
Cvss score
8.8
Epss score
0.49013
Last seen
2026-10-19T12:00:27+00:00
Due date
2023-10-23
Euvd assigner
Chrome
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2023-10-02T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2023-10-02
Score
8.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Google
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
8.8

Related Entities (24 · showing 23)

AFFECTS_PRODUCT (21 · showing 20)

→[Product]cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
→[Product]cpe:2.3:a:microsoft:edge_chromium:116.0.5845.229:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:webmproject:libvpx:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:iphone_os:16.7:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:microsoft:edge:117.0.2045.47:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:mozilla:firefox:*:*:*:*:*:android:*:*
→[Product]cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:apple:ipados:16.7:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:microsoft:edge:116.0.1938.98:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:microsoft:edge_chromium:117.0.5938.132:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
→[Product]cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]Google Chromium libvpx Heap Buffer Overflow Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Out-of-bounds Write

INVOLVES (1)

←[Signal]kev_added · 2023-10-02

Explore deeper with Ninja Signal's threat intelligence graph

Search in SpektrOpen Signal Desktop
CVE-2023-5217 (CVSS v3.1 8.8) — Ninja Signal Threat Intelligence | Ninja Signal