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CVE-2023-5217

Published: Sep 28, 2023Updated: Oct 24, 2025 Sources: CVE List NVD GHSA BDU csafCWE-787
NVD MITRE
8.8CVSSHIGH
EPSS Score
34.4%
Top 1.8%
CISA KEV
Active Exploitation
Since Oct 2, 2023
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

ChromeGoogle
On-premDesktop App
Consumer Software / browser
libvpxGoogle
On-prem
Mobile Apps / android-app
electronnpmOSS Libraries
libvpxwebmproject
Library
OSS Libraries / generic-library
edgemicrosoft
Desktop App
Consumer Software / browser
googlecommercialUSMobile Appsaka google inc, google llc
npmpackage-ecosystemOSS Libraries
webmprojectoss-projectOSS Librariesaka webm, libwebm, libvpx, libwebp
microsoftcommercialUSOperating Systems
and 25 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Oct 2, 2023
Remediation due:Oct 23, 2023

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_27.html
chromereleases.googleblog.com
https://crbug.com/1486441
crbug.com
http://www.openwall.com/lists/oss-security/2023/09/28/5
openwall.com
and 120 more references View all →

Timeline

Published
Sep 28, 2023
Added to CISA KEV
Oct 2, 2023
Last Updated
Oct 24, 2025

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