curl: Trailing-dot IPv4 URL bypasses IP-address guard, allows wildcard DNS SAN match

Hi all, Sorry to ruin anybody's day, but we've discovered another issue when it comes to dots. We've found a TLS certificate verification bypass that lets a trailing-dot IPv4 URL -- https://127.0.0.1./ -- pass peer authentication against a wildcard DNS SAN certificate such as DNS:.0.0.1. The IP...

EUVD-2026-29387

Issuing an ICMP ping via the net ping shell command to a device's own IPv4 address causes the network stack to recursively re-enter the input path on the same system work-queue stack. Because the destination is recognized as a local address, both the echo request and the resulting echo reply are...

CVE-2026-5081

Apache::Session::Generate::ModUniqueId versions from 1.54 through 1.94 for Perl session ids are insecure. Apache::Session::Generate::ModUniqueId added in version 1.54 uses the value of the UNIQUEID environment variable for the session id. The UNIQUEID variable is set by the Apache moduniqueid...

CVE-2026-5081 Apache::Session::Generate::ModUniqueId versions from 1.54 through 1.94 for Perl session ids are insecure

Apache::Session::Generate::ModUniqueId versions from 1.54 through 1.94 for Perl session ids are insecure. Apache::Session::Generate::ModUniqueId added in version 1.54 uses the value of the UNIQUEID environment variable for the session id. The UNIQUEID variable is set by the Apache moduniqueid...

CVE-2026-7536

A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function bsfsessaddbyipaddress of the file /nbsf-management/v1/pcfBindings of the component BSF. Executing a manipulation of the argument ipv4Addr can lead to denial of service. The attack can be launched...

CVE-2026-7536 Open5GS BSF pcfBindings bsf_sess_add_by_ip_address denial of service

A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function bsfsessaddbyipaddress of the file /nbsf-management/v1/pcfBindings of the component BSF. Executing a manipulation of the argument ipv4Addr can lead to denial of service. The attack can be launched...

CVE-2026-7536 Open5GS BSF pcfBindings bsf_sess_add_by_ip_address denial of service

A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function bsfsessaddbyipaddress of the file /nbsf-management/v1/pcfBindings of the component BSF. Executing a manipulation of the argument ipv4Addr can lead to denial of service. The attack can be launched...

CVE-2026-7536

A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function bsfsessaddbyipaddress of the file /nbsf-management/v1/pcfBindings of the component BSF. Executing a manipulation of the argument ipv4Addr can lead to denial of service. The attack can be launched...

CVE-2025-65568

A denial-of-service vulnerability exists in the omec-project UPF pfcpiface component in version upf-epc-pfcpiface:2.1.3-dev. After PFCP association, a PFCP Session Establishment Request that includes a CreateFAR with an empty or truncated IPv4 address field is not properly validated. During...

CVE-2025-65568

A denial-of-service vulnerability exists in the omec-project UPF pfcpiface component in version upf-epc-pfcpiface:2.1.3-dev. After PFCP association, a PFCP Session Establishment Request that includes a CreateFAR with an empty or truncated IPv4 address field is not properly validated. During...

EUVD-2016-1736

Malware in sbrugna...

EUVD-2017-9139

Malware in sbrugna...

EUVD-2019-5218

Malware in sbrugna...

EUVD-2012-2330

Malware in sbrugna...

CVE-2025-54126

The WebAssembly Micro Runtime's WAMR iwasm package is the executable binary built with WAMR VMcore which supports WebAssembly System Interface WASI and command line interface. In versions 2.4.0 and below, iwasm uses --addr-pool with an IPv4 address that lacks a subnet mask, allowing the system to...

CVE-2025-54126

The CVE-2025-54126 entry concerns WebAssembly Micro Runtime (WAMR) iwasm binary; versions 2.4.0 and earlier use --addr-pool with an IPv4 address lacking a subnet mask, allowing acceptance of all IPs and potentially bypassing access restrictions. This exposes services to all external connections a...

CVE-2025-54126 WebAssembly Micro Runtime's `--addr-pool` option allows all IPv4 addresses when subnet mask is not specified

The WebAssembly Micro Runtime's WAMR iwasm package is the executable binary built with WAMR VMcore which supports WebAssembly System Interface WASI and command line interface. In versions 2.4.0 and below, iwasm uses --addr-pool with an IPv4 address that lacks a subnet mask, allowing the system to...

Proxy Services Feast on Ukraine’s IP Address Exodus

Image: Mark Rademaker, via Shutterstock. Ukraine has seen nearly one-fifth of its Internet space come under Russian control or sold to Internet address brokers since February 2022, a new study finds. The analysis indicates large chunks of Ukrainian Internet address space are now in the hands of...

CVE-2020-5204

In uftpd before 2.11, there is a buffer overflow vulnerability in handlePORT in ftpcmd.c that is caused by a buffer that is 16 bytes large being filled via sprintf with user input based on the format specifier string %d.%d.%d.%d. The 16 byte size is correct for valid IPv4 addresses...

CVE-2019-13951

The setipv4 function in zscanrfc1035.rl in gdnsd 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv4 address in zone data...