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openbsd

Vendor: Openbsd • 198 CVEs

CVEs (198)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Openbsd
1Openbsd
Apr 16, 2026
Aug 6, 1999
N/A· v4
N/A· v3
5.0 MEDIUM· v2
A kernel leak in the OpenBSD kernel allows IPsec packets to be sent unencrypted.
3Bsdi
FreebsdOpenbsd
3Bsd Os
FreebsdOpenbsd
Apr 16, 2026
Aug 3, 1999
N/A· v4
N/A· v3
3.6 LOW· v2
OpenBSD, BSDI, and other Unix operating systems allow users to set chflags and fchflags on character and block devices.
1Openbsd
1Openbsd
Apr 16, 2026
Mar 22, 1999
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Denial of service in "poll" in OpenBSD.
1Openbsd
1Openbsd
Apr 16, 2026
Mar 21, 1999
N/A· v4
N/A· v3
5.0 MEDIUM· v2
OpenBSD kernel crash through TSS handling, as caused by the crashme program.
1Openbsd
1Openbsd
Apr 16, 2026
Feb 25, 1999
N/A· v4
N/A· v3
2.1 LOW· v2
OpenBSD crash using nlink value in FFS and EXT2FS filesystems.
1Openbsd
1Openbsd
Apr 16, 2026
Feb 23, 1999
N/A· v4
N/A· v3
2.1 LOW· v2
Buffer overflow in OpenBSD ping.
1Openbsd
1Openbsd
Apr 16, 2026
Feb 19, 1999
N/A· v4
N/A· v3
2.6 LOW· v2
Remote attackers can cause a system crash through ipintr() in ipq in OpenBSD.
2Netbsd
Openbsd
2Netbsd
Openbsd
Apr 16, 2026
Feb 17, 1999
N/A· v4
N/A· v3
2.6 LOW· v2
A race condition between the select() and accept() calls in NetBSD TCP servers allows remote attackers to cause a denial of service.
5Bsdi
FreebsdOpenbsd+2 more
7Bsd Os
FreebsdInternet Faststart+4 more
Apr 16, 2026
Dec 4, 1998
N/A· v4
N/A· v3
10.0 HIGH· v2
Buffer overflow in bootpd on OpenBSD, FreeBSD, and Linux systems via a malformed header type.
3Bsdi
FreebsdOpenbsd
3Bsd Os
FreebsdOpenbsd
Apr 16, 2026
Nov 4, 1998
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
IP fragmentation denial of service in FreeBSD allows a remote attacker to cause a crash.
1Openbsd
1Openbsd
Apr 16, 2026
Aug 3, 1998
N/A· v4
N/A· v3
7.2 HIGH· v2
The chpass command in OpenBSD allows a local user to gain root access through file descriptor leakage.
4Digital
NetbsdOpenbsd+1 more
5Netbsd
OpenbsdOsf 1+2 more
Apr 16, 2026
May 21, 1998
N/A· v4
N/A· v3
4.6 MEDIUM· v2
Buffer overflow in BNU UUCP daemon (uucpd) through long hostnames.
4Bsdi
FreebsdNetbsd+1 more
4Bsd Os
FreebsdNetbsd+1 more
Apr 16, 2026
Feb 20, 1998
N/A· v4
N/A· v3
10.0 HIGH· v2
FreeBSD mmap function allows users to modify append-only or immutable files.
3Bsdi
FreebsdOpenbsd
3Bsd Os
FreebsdOpenbsd
Apr 16, 2026
Feb 1, 1998
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The system configuration control (sysctl) facility in BSD based operating systems OpenBSD 2.2 and earlier, and FreeBSD 2.2.5 and earlier, does not properly restrict source routed packets even when the (1) dosourceroute o...Show more
The system configuration control (sysctl) facility in BSD based operating systems OpenBSD 2.2 and earlier, and FreeBSD 2.2.5 and earlier, does not properly restrict source routed packets even when the (1) dosourceroute or (2) forwarding variables are set, which allows remote attackers to spoof TCP connections.Show less
4Bsdi
FreebsdNetbsd+1 more
4Bsd Os
FreebsdNetbsd+1 more
Apr 16, 2026
Feb 1, 1998
N/A· v4
N/A· v3
7.2 HIGH· v2
mmap function in BSD allows local attackers in the kmem group to modify memory through devices.
4Bsdi
FreebsdLinux+1 more
4Bsd Os
FreebsdLinux Kernel+1 more
Apr 16, 2026
Oct 2, 1997
N/A· v4
N/A· v3
5.1 MEDIUM· v2
File creation and deletion, and remote execution, in the BSD line printer daemon (lpd).
5Bsd
FreebsdNetbsd+2 more
5Bsd
FreebsdIrix+2 more
Apr 16, 2026
Sep 15, 1997
N/A· v4
N/A· v3
2.1 LOW· v2
The asynchronous I/O facility in 4.4 BSD kernel does not check user credentials when setting the recipient of I/O notification, which allows local users to cause a denial of service by using certain ioctl and fcntl calls...Show more
The asynchronous I/O facility in 4.4 BSD kernel does not check user credentials when setting the recipient of I/O notification, which allows local users to cause a denial of service by using certain ioctl and fcntl calls to cause the signal to be sent to an arbitrary process ID.Show less
5Digital
LinuxNetbsd+2 more
5Linux Kernel
NetbsdOpenbsd+2 more
Apr 16, 2026
Aug 24, 1997
N/A· v4
N/A· v3
5.0 MEDIUM· v2
rpc.mountd on Linux, Ultrix, and possibly other operating systems, allows remote attackers to determine the existence of a file on the server by attempting to mount that file, which generates different error messages dep...Show more
rpc.mountd on Linux, Ultrix, and possibly other operating systems, allows remote attackers to determine the existence of a file on the server by attempting to mount that file, which generates different error messages depending on whether the file exists or not.Show less