CVE-2026-48682

FastNetMon Community Edition through 1.2.9 contains an out-of-bounds read in the IPv4 packet parser. In src/simplepacketparserng.cpp, after validating that the packet contains at least sizeofipv4headert bytes 20 bytes, the code advances the localpointer by '4 ipv4header-getihl' line 164 without...

PT-2026-45842

FastNetMon Community Edition through 1.2.9 contains an out-of-bounds read in the IPv4 packet parser. In src/simple packet parser ng.cpp, after validating that the packet contains at least sizeofipv4 header t bytes 20 bytes, the code advances the local pointer by '4 ipv4 header-get ihl' line 164...

CVE-2026-48682

CVE-2026-48682 affects FastNetMon Community Edition up to 1.2.9. Multiple sources (NVD, Red Hat, Ubuntu OSVs, Debian tracker, Tenable) describe an out-of-bounds read in the IPv4 packet parser. After validating at least 20 bytes of an IPv4 header, the code advances by 4 × IHL without validating th...