Security Patches

Complete list of security fixes published by OpenBSD for 2025. All these patches are applied in SecBSD by default.

001
SECURITY FIX May 5, 2025 All architectures

Kernel of NFS server could crash if nfsd(8) is enabled and an evil NFS request is sent to it.

A source code patch exists which remedies this problem.

002
RELIABILITY FIX May 10, 2025 All architectures

Fix sign of UTC offset in some timezone files created by zic(8).

A source code patch exists which remedies this problem.

003
RELIABILITY FIX May 10, 2025 All architectures

Replace incorrect zoneinfo files created by broken zic(8).

A source code patch exists which remedies this problem.

This is a machine-independent patch, so syspatches are made available for all architectures (not just amd64, arm64, i386). Please run syspatch(8) on those machines to get the new zoneinfo files.

004
RELIABILITY FIX June 17, 2025 All architectures

When using syncookies in pf(4), new TCP connections could run into timeout due to integer underflow.

A source code patch exists which remedies this problem.

005
RELIABILITY FIX June 17, 2025 All architectures

In acme-client(1), handle as yet unobserved "processing" state when fetching an issued certificate by retrying instead of giving up.

A source code patch exists which remedies this problem.

006
SECURITY FIX June 17, 2025 All architectures

Multiple X11 server issues. CVE-2025-49175 CVE-2025-49176 CVE-2025-49177 CVE-2025-49178 CVE-2025-49179 CVE-2025-49180

A source code patch exists which remedies this problem.

About Security Patches in SecBSD

SecBSD inherits all security patches from OpenBSD and applies them immediately upon release. Our team monitors OpenBSD's errata page and incorporates fixes into SecBSD within 24 hours of their release.

To update your system with the latest security fixes, run:

$ doas sysupgrade -s and then $ doas pkg_add -Dsnap -u