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Google · Chromium libvpx

CVE-2023-5217

Google Chromium libvpx Heap Buffer Overflow Vulnerability

CISA KEV record

CISA date added
2023-10-02
CISA due date
2023-10-23
Known ransomware use
Unknown

NVD risk context

8.8 HIGH

CVSS is a technical severity score. CISA’s KEV status remains the evidence that this vulnerability is known to be exploited.

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Attack vector
Network
The vulnerable service can be reached remotely over a network.
Attack complexity
Low
Exploitation does not require unusual conditions beyond normal attacker control.
Privileges required
None
The attacker does not need an existing account or privileges.
User interaction
Required
A user must take an action, such as opening a file or link.

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.

Required action

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

NVD reference index

Vendor and remediation references

NVD has tagged these sources as vendor advisories, patches, mitigations, or release notes.

Other NVD references (47)

MITRE CWE context

CWE classification

NVD record timing

NVD record timeline

These dates describe NVD’s record, not CISA’s KEV addition or remediation due date.

NVD published
Sep 28, 2023, 04:15 PM UTC
When NVD first published this CVE record.
NVD last updated
Jun 17, 2026, 06:48 AM UTC
When NVD last changed its analysis or record data.
Advanced: view the technical CVSS vector

This standardized code is intended for security tools and technical analysts. The plain-language risk summary above explains its main points.

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

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CISA notes

https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_27.html; https://nvd.nist.gov/vuln/detail/CVE-2023-5217