Netskope Threat Labs

FILE-OTHER Out-of-bounds read access via LIBPNG attempted

IPS-CFWIPS-SWG

1 SID: 170214

First seen
March 2026
Last seen
June 2026

Detects images exploiting CVE-2025-64720, an out-of-bounds read in the libpng image library that can leak memory. The rule matches the crafted image structures that public exploits use to read beyond allocated buffers.