PT-2026-50221

Name of the Vulnerable Software and Affected Versions OpenBSD versions prior to 7.6 Description An authentication bypass exists in the sppp pap input function within sys/net/if spppsubr.c. The issue occurs when a PAP Auth-Request is sent with name len and passwd len set to zero. Because the syste...

The vulnerability of demons slaacd and rad in the OpenBSD operating system allows a hacker to induce a service failure.

The vulnerability of demons slaacd and rad in the OpenBSD operating system is related to a circularization issue caused by integer overflow. Exploiting this vulnerability allows an attacker to cause service failures remotely...

Exploit for Exposure of Sensitive Information to an Unauthorized Actor in Openbsd Openssh

No d...

[SECURITY] Fedora 44 Update: rpki-client-9.8-1.fc44

The OpenBSD rpki-client is a free, easy-to-use implementation of the Resource Public Key Infrastructure RPKI for Relying Parties RP to facilitate validation of the Route Origin of a BGP announcement. The program queries the RPKI repository system, downloads and validates Route Origin Authorisatio...

Project Glasswing Proved AI Can Find the Bugs. Who's Going to Fix Them?

Last week, Anthropic announced Project Glasswing, an AI model so effective at discovering software vulnerabilities that they took the extraordinary step of postponing its public release. Instead, the company has given access to Apple, Microsoft, Google, Amazon, and a coalition of others to find a...

CVE-2026-41285

In OpenBSD through 7.8, the slaacd and rad daemons have an infinite loop when they receive a crafted ICMPv6 Neighbor Discovery ND option over a local network with length zero, because of an "ndoptlen 8 - 2" expression with no preceding check for whether ndoptlen is zero...

EUVD-2026-23996

In OpenBSD through 7.8, the slaacd and rad daemons have an infinite loop when they receive a crafted ICMPv6 Neighbor Discovery ND option over a local network with length zero, because of an "ndoptlen 8 - 2" expression with no preceding check for whether ndoptlen is zero...

CVE-2026-41285

In OpenBSD through 7.8, the slaacd and rad daemons have an infinite loop when they receive a crafted ICMPv6 Neighbor Discovery ND option over a local network with length zero, because of an "ndoptlen 8 - 2" expression with no preceding check for whether ndoptlen is zero...

OpenBSD 安全漏洞

OpenBSD is a cross-platform, BSD-based UNIX-like operating system developed by the OpenBSD organization in Canada. Versions of OpenBSD 7.8 and earlier contained a security vulnerability caused by the slaacd and rad daemon entering an infinite loop when receiving a specially crafted ICMPv6 neighbo...

CVE-2026-41285: Improper Validation of Specified Quantity in Input

In OpenBSD through 7.8, the slaacd and rad daemons have an infinite loop when they receive a crafted ICMPv6 Neighbor Discovery ND option over a local network with length zero, because of an "ndoptlen 8 - 2" expression with no preceding check for whether ndoptlen is zero...

PT-2026-33860

In OpenBSD through 7.8, the slaacd and rad daemons have an infinite loop when they receive a crafted ICMPv6 Neighbor Discovery ND option over a local network with length zero, because of an "nd opt len 8 - 2" expression with no preceding check for whether nd opt len is zero...

CVE-2026-41285

CVE-2026-41285 affects OpenBSD up to version 7.8, specifically the slaacd and rad daemons. The issue is a missing validation for ICMPv6 Neighbor Discovery ND options: when a crafted ND option with length zero is received, an expression nd_opt_len * 8 - 2 can execute without a preceding check, cau...

CVE-2026-41285

In OpenBSD through 7.8, the slaacd and rad daemons have an infinite loop when they receive a crafted ICMPv6 Neighbor Discovery ND option over a local network with length zero, because of an "ndoptlen 8 - 2" expression with no preceding check for whether ndoptlen is zero...

CVE-2026-41285

In OpenBSD through 7.8, the slaacd and rad daemons have an infinite loop when they receive a crafted ICMPv6 Neighbor Discovery ND option over a local network with length zero, because of an "ndoptlen 8 - 2" expression with no preceding check for whether ndoptlen is zero...

CVE-2026-41285

In OpenBSD through 7.8, the slaacd and rad daemons have an infinite loop when they receive a crafted ICMPv6 Neighbor Discovery ND option over a local network with length zero, because of an "ndoptlen 8 - 2" expression with no preceding check for whether ndoptlen is zero...

Mythos and Cybersecurity

Last week, Anthropic pulled back the curtain on Claude Mythos Preview, an AI model so capable at finding and exploiting software vulnerabilities that the company decided it was too dangerous to release to the public. Instead, access has been restricted to roughly 50 organizations--Microsoft, Appl...

GHSA-HFVC-G4FC-PQHX opentelemetry-go: BSD kenv command not using absolute path enables PATH hijacking

Summary The fix for GHSA-9h8m-3fm2-qjrq CVE-2026-24051 changed the Darwin ioreg command to use an absolute path but left the BSD kenv command using a bare name, allowing the same PATH hijacking attack on BSD and Solaris platforms. Root Cause sdk/resource/hostid.go line 42: if result, err :=...

Exploit for Allocation of Resources Without Limits or Throttling in Openbsd Openssh

CVE-2025-26466 poc for CVE-2025-26466 made by Fikret Can Gurbu...

OpenSSH 安全漏洞

OpenSSH OpenBSD Secure Shell is a set of open-source tools developed by OpenBSD in Canada for secure access to remote computers. This tool is an open-source implementation of the SSH protocol, supporting encryption of all transmissions. It effectively prevents eavesdropping, connection hijacking,...

OpenSSH 安全漏洞

OpenSSH OpenBSD Secure Shell is a set of open-source tools developed by OpenBSD in Canada, designed for secure access to remote computers. This tool is an open-source implementation of the SSH protocol, supporting encryption of all transmissions. It effectively prevents eavesdropping, connection...