Skip to content

Tools Exploits Blog

Tools Exploits Blog

Hacking, PenTest, and Cybersecurity Tools for Your Security Arsenal!

Loading CVE intelligence

Kitploit is a directory of hacking, cybersecurity, and pentesting tools. Discover the latest project updates to find vulnerabilities, analyze systems, automate testing, and strengthen your security.

Feeds Contact Privacy© 2026 Kitploit

Tool Directory

Categories

View all categories

Loading categories

Back to Exploits

CVE-2023-5217

HighPublished

Google Chromium libvpx Heap Buffer Overflow Vulnerability

Published: Sep 28, 2023
Updated: Oct 21, 2025
Assigning CNA: Chrome
Evidence observed: Oct 2, 2023

Primary CVSS

8.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS probability estimate

49.0%

Moderate · next 30 days

Percentile: 98.9%
Model date: Oct 17, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

CISA Known Exploited

This CVE appears in the CISA Known Exploited Vulnerabilities catalog.

Summary

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)

Sources

cve-2023-5217-pocPoC
A PoC to trigger CVE-2023-5217 from the Browser WebCodecs or MediaRecorder interface.

Responsible use

Use vulnerability information only on systems you own or are authorized to test. Kitploit links to public research metadata and does not store exploit code or malicious payloads.