[SECURITY] [DSA 6375-1] fastnetmon security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6375-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff July 02, 2026 https://www.debian.org/security/faq -...

USN-8429-1 fastnetmon vulnerabilities

It was discovered that FastNetMon incorrectly validated prefix lengths when decoding BGP NLRI data. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. CVE-2026-48686 It was...

CVE-2026-48682

A flaw was found in FastNetMon Community Edition. This vulnerability, located in the IPv4 packet parser, allows a remote attacker to send specially crafted network packets. This can lead to an out-of-bounds read, potentially disclosing sensitive information or causing the system to crash, resulti...

Linux Distros Unpatched Vulnerability : CVE-2026-48682

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

DEBIAN-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...

UBUNTU-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...

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...

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...

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...

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...

Pavel Odintsov fastnetmon 缓冲区错误漏洞

FastNetMon is a high-performance DDoS detector/sensor developed by Pavel Odintsov. It is built using multiple packet capture engines. Versions of FastNetMon Community Edition 1.2.9 and earlier contained security vulnerabilities. These vulnerabilities stemmed from out-of-bounds read operations in...

CVE-2026-48692

A flaw was found in FastNetMon Community Edition. The gRPC API server, exposed on port 50052, operates without any authentication mechanism. A remote attacker with local network access can exploit this vulnerability to ban arbitrary IP addresses, resulting in a denial of service for legitimate...

CVE-2026-48688

A flaw was found in FastNetMon Community Edition. Multiple out-of-bounds read vulnerabilities exist within the BGP MPREACHNLRI IPv6 attribute decoder. A remote attacker could exploit these flaws by sending specially crafted BGP messages, which could lead to information disclosure or a denial of...

Linux Distros Unpatched Vulnerability : CVE-2026-48691

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FastNetMon Community Edition through 1.2.9 contains an integer overflow in the BGP ASPATH attribute encoder. In src/bgpprotocol.hpp, the...

Linux Distros Unpatched Vulnerability : CVE-2026-48695

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FastNetMon Community Edition through 1.2.9 contains an OS command injection vulnerability in the MikroTik router integration plugin. The log function in...

Linux Distros Unpatched Vulnerability : CVE-2026-48685

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FastNetMon Community Edition through 1.2.9 has out-of-bounds memory access because it incorrectly parses BGP path attributes with the extended length flag set. ...

Linux Distros Unpatched Vulnerability : CVE-2026-48690

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FastNetMon Community Edition through 1.2.9 contains an integer overflow vulnerability in the packet capture buffer allocation. In src/packetstorage.hpp, the...

Linux Distros Unpatched Vulnerability : CVE-2026-48694

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FastNetMon Community Edition through 1.2.9 contains a configuration injection vulnerability in the Juniper router integration plugin. In...

Linux Distros Unpatched Vulnerability : CVE-2026-48688

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FastNetMon Community Edition through 1.2.9 contains multiple out-of-bounds reads in the BGP MPREACHNLRI IPv6 attribute decoder. The function decodempreachipv6 i...