All vulnerabilities
CVE-2023-4863

Google Chromium WebP Heap-Based Buffer Overflow Vulnerability

Google Chromium WebPApplications & CMS
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationExploited in the wildAdded to KEV 13 Sep 2023CISA KEV
Exploit odds (EPSS)>99.9%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in116.0.5845.187Also 1.3.2CVE List
Federal deadline4 Oct 2023Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 12 Sep 2023, 14:24 UTCPublishedCVE List
  2. 13 Sep 2023Added to CISA KEVCISA KEV

Description

Google Chromium WebP contains a heap-based buffer overflow vulnerability that allows a remote attacker to perform an out-of-bounds memory write via a crafted HTML page. This vulnerability can affect applications that use the WebP Codec.

Text from CVE List

Affected versions 2

  • Chromeaffected: 116.0.5845.187 before 116.0.5845.187CVE List
  • libwebpaffected: 1.3.2 before 1.3.2CVE List

References 35