CVE-2026-57589

sys/kern/sysvsem.c in OpenBSD through 7.9 has a use-after-free allowing local privilege escalation to root. This is a context switch use-after-free after tsleep in syssemget...

EUVD-2026-39156

sys/kern/sysvsem.c in OpenBSD through 7.9 has a use-after-free allowing local privilege escalation to root. This is a context switch use-after-free after tsleep in syssemget...

CVE-2026-57589

The CVE-2026-57589 entry concerns OpenBSD (through 7.9) with a use-after-free in sys/kern/sysv_sem.c that enables a local privilege escalation to root . The root cause is a context switch use-after-free after tsleep in sys_semget(). This applies to the OpenBSD kernel code path handling System V s...

CVE-2026-57589

sys/kern/sysvsem.c in OpenBSD through 7.9 has a use-after-free allowing local privilege escalation to root. This is a context switch use-after-free after tsleep in syssemget...

📄 OpenBSD mpls_do_error Stack Disclosure

OpenBSD suffers from an mplsdoerror remote kernel stack disclosure vulnerability via an MPLS label stack. ------------------------------------------------------------------------ OpenBSD mplsdoerror: Remote Kernel Stack Disclosure via MPLS Label Stack Over-read...

Astra Linux – Vulnerabilities in Linux, Linux-5.15, Linux-5.10

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: cfg80211: The PMK parameter is now passed as binary data, rather than hexadecimal data. It appears that the hexadecimal passphrase mechanism does not work on newer chips/firmwares e.g., BCM4387. There was actually...

CVE-2026-56099

OpenBSD before commit 6a23123 2026-06-18 contains an out-of-bounds read vulnerability in the mplsdoerror function within sys/netmpls/mplsinput.c that allows remote attackers to disclose kernel stack memory by sending crafted MPLS frames with 16 labels and no Bottom-of-Stack bit set...

EUVD-2026-37938

OpenBSD before commit 6a23123 2026-06-18 contains an out-of-bounds read vulnerability in the mplsdoerror function within sys/netmpls/mplsinput.c that allows remote attackers to disclose kernel stack memory by sending crafted MPLS frames with 16 labels and no Bottom-of-Stack bit set...

CVE-2026-56099 OpenBSD mpls_do_error Kernel Stack Memory Disclosure via MPLS Input

OpenBSD before commit 6a23123 2026-06-18 contains an out-of-bounds read vulnerability in the mplsdoerror function within sys/netmpls/mplsinput.c that allows remote attackers to disclose kernel stack memory by sending crafted MPLS frames with 16 labels and no Bottom-of-Stack bit set...

CVE-2026-56099

OpenBSD before commit 6a23123 (2026-06-18) contains an out-of-bounds read in sys/netmpls/mpls_input.c:mpls_do_error, allowing remote disclosure of kernel stack memory by crafting MPLS frames with 16 labels and no Bottom-of-Stack bit. Affected component is the MPLS input handling path; root cause ...

PT-2026-50785

Name of the Vulnerable Software and Affected Versions OpenBSD versions prior to commit 6a23123 Description An out-of-bounds read exists in the mpls do error function within sys/netmpls/mpls input.c. Remote attackers can disclose kernel stack memory by sending crafted MPLS frames containing 16...

EUVD-2026-37521

sppppapinput in sys/net/ifspppsubr.c in OpenBSD before 076e2b1 allows authentication bypass via certain zero values for lengths...

CVE-2026-55706

sppppapinput in sys/net/ifspppsubr.c in OpenBSD before 076e2b1 allows authentication bypass via certain zero values for lengths...

CVE-2026-55706

sppppapinput in sys/net/ifspppsubr.c in OpenBSD before 076e2b1 allows authentication bypass via certain zero values for lengths...

PT-2026-50221

Name of the Vulnerable Software and Affected Versions OpenBSD versions prior to 076e2b1 Description The sppp pap input function in sys/net/if spppsubr.c allows authentication bypass when certain zero values are used for lengths. Real-world offensive activities targeting this issue have been...

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...