CVE-2023-4863

HIGH8.8⚠ KEVEPSS 93.3%

libwebp: OOB write in BuildHuffmanTable

Published: 9/12/2023Modified: 4/28/2026Added to CISA KEV: 9/13/2023

Description

Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)

Affected packages (33)

CVSS scores

SourceVersionSeverityVector
osvCVSS 3.1HIGH8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References (71)