CVE-2023-4863: Google Chromium WebP Heap-Based Buffer Overflow Vulnerability

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.

VendorGoogle
ProductChromium WebP
Date added to KEV2023-09-13
Due date (BOD 22-01)2023-10-04
Known ransomware campaign useUnknown
CWECWE-787
Required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

What to do

  1. Identify every instance of Google Chromium WebP in your environment (asset inventory, EDR, vulnerability scanner).
  2. Apply CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  3. Federal civilian agencies must act by 2023-10-04 under BOD 22-01; other organizations can use the same date as a target.
  4. Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.

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Sources

Generated from the CISA feed with AI assistance; facts are taken verbatim from the feed. Not affiliated with or endorsed by CISA. Facts come from the CISA Known Exploited Vulnerabilities catalog (public domain).