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openbsd

Vendor: Openbsd • 198 CVEs

CVEs (198)

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CVSS
5Cvs
GentooOpenbsd+2 more
5Cvs
LinuxOpenbsd+2 more
Apr 16, 2026
Aug 6, 2004
N/A· v4
N/A· v3
10.0 HIGH· v2
serve_notify in CVS 1.12.x through 1.12.8, and 1.11.x through 1.11.16, does not properly handle empty data lines, which may allow remote attackers to perform an "out-of-bounds" write for a single byte to execute arbitrar...Show more
serve_notify in CVS 1.12.x through 1.12.8, and 1.11.x through 1.11.16, does not properly handle empty data lines, which may allow remote attackers to perform an "out-of-bounds" write for a single byte to execute arbitrary code or modify critical program data.Show less
5Cvs
GentooOpenbsd+2 more
5Cvs
LinuxOpenbsd+2 more
Apr 16, 2026
Aug 6, 2004
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Integer overflow in the "Max-dotdot" CVS protocol command (serve_max_dotdot) for CVS 1.12.x through 1.12.8, and 1.11.x through 1.11.16, may allow remote attackers to cause a server crash, which could cause temporary data...Show more
Integer overflow in the "Max-dotdot" CVS protocol command (serve_max_dotdot) for CVS 1.12.x through 1.12.8, and 1.11.x through 1.11.16, may allow remote attackers to cause a server crash, which could cause temporary data to remain undeleted and consume disk space.Show less
5Cvs
GentooOpenbsd+2 more
5Cvs
LinuxOpenbsd+2 more
Apr 16, 2026
Aug 6, 2004
N/A· v4
N/A· v3
10.0 HIGH· v2
Double free vulnerability for the error_prog_name string in CVS 1.12.x through 1.12.8, and 1.11.x through 1.11.16, may allow remote attackers to execute arbitrary code.
5Cvs
GentooOpenbsd+2 more
5Cvs
LinuxOpenbsd+2 more
Apr 16, 2026
Aug 6, 2004
N/A· v4
N/A· v3
10.0 HIGH· v2
CVS 1.12.x through 1.12.8, and 1.11.x through 1.11.16, does not properly handle malformed "Entry" lines, which prevents a NULL terminator from being used and may lead to a denial of service (crash), modification of criti...Show more
CVS 1.12.x through 1.12.8, and 1.11.x through 1.11.16, does not properly handle malformed "Entry" lines, which prevents a NULL terminator from being used and may lead to a denial of service (crash), modification of critical program data, or arbitrary code execution.Show less
1Openbsd
1Openbsd
Apr 16, 2026
Jul 7, 2004
N/A· v4
N/A· v3
4.6 MEDIUM· v2
Multiple integer overflows in (1) procfs_cmdline.c, (2) procfs_fpregs.c, (3) procfs_linux.c, (4) procfs_regs.c, (5) procfs_status.c, and (6) procfs_subr.c in procfs for OpenBSD 3.5 and earlier allow local users to read s...Show more
Multiple integer overflows in (1) procfs_cmdline.c, (2) procfs_fpregs.c, (3) procfs_linux.c, (4) procfs_regs.c, (5) procfs_status.c, and (6) procfs_subr.c in procfs for OpenBSD 3.5 and earlier allow local users to read sensitive kernel memory and possibly perform other unauthorized activities.Show less
1Openbsd
1Openbsd
Apr 16, 2026
May 4, 2004
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Multiple memory leaks in isakmpd in OpenBSD 3.4 and earlier allow remote attackers to cause a denial of service (memory exhaustion) via certain ISAKMP packets, as demonstrated by the Striker ISAKMP Protocol Test Suite.
1Openbsd
1Openbsd
Apr 16, 2026
May 4, 2004
N/A· v4
N/A· v3
5.0 MEDIUM· v2
isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service (crash) via an ISAKMP packet with a delete payload containing a large number of SPIs, which triggers an out-of-bounds read error, as...Show more
isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service (crash) via an ISAKMP packet with a delete payload containing a large number of SPIs, which triggers an out-of-bounds read error, as demonstrated by the Striker ISAKMP Protocol Test Suite.Show less
1Openbsd
1Openbsd
Apr 16, 2026
May 4, 2004
N/A· v4
N/A· v3
10.0 HIGH· v2
isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service via an ISAKMP packet with a malformed Cert Request payload, which causes an integer underflow that is used in a malloc operation tha...Show more
isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service via an ISAKMP packet with a malformed Cert Request payload, which causes an integer underflow that is used in a malloc operation that is not properly handled, as demonstrated by the Striker ISAKMP Protocol Test Suite.Show less
1Openbsd
1Openbsd
Apr 16, 2026
May 4, 2004
N/A· v4
N/A· v3
5.0 MEDIUM· v2
isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service (crash) via an ISAKMP packet with a malformed IPSEC SA payload, as demonstrated by the Striker ISAKMP Protocol Test Suite.
1Openbsd
1Openbsd
Apr 16, 2026
May 4, 2004
N/A· v4
N/A· v3
5.0 MEDIUM· v2
isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service (infinite loop) via an ISAKMP packet with a zero-length payload, as demonstrated by the Striker ISAKMP Protocol Test Suite.
2Freebsd
Openbsd
2Freebsd
Openbsd
Apr 16, 2026
Mar 15, 2004
N/A· v4
N/A· v3
5.0 MEDIUM· v2
FreeBSD 5.1 and earlier, and Mac OS X before 10.3.4, allows remote attackers to cause a denial of service (resource exhaustion of memory buffers and system crash) via a large number of out-of-sequence TCP packets, which...Show more
FreeBSD 5.1 and earlier, and Mac OS X before 10.3.4, allows remote attackers to cause a denial of service (resource exhaustion of memory buffers and system crash) via a large number of out-of-sequence TCP packets, which prevents the operating system from creating new connections.Show less
3Freebsd
NetbsdOpenbsd
3Freebsd
NetbsdOpenbsd
Apr 16, 2026
Mar 3, 2004
N/A· v4
N/A· v3
4.6 MEDIUM· v2
The shmat system call in the System V Shared Memory interface for FreeBSD 5.2 and earlier, NetBSD 1.3 and earlier, and OpenBSD 2.6 and earlier, does not properly decrement a shared memory segment's reference count when t...Show more
The shmat system call in the System V Shared Memory interface for FreeBSD 5.2 and earlier, NetBSD 1.3 and earlier, and OpenBSD 2.6 and earlier, does not properly decrement a shared memory segment's reference count when the vm_map_find function fails, which could allow local users to gain read or write access to a portion of kernel memory and gain privileges.Show less
2Openbsd
Xfree86 Project
2Openbsd
X11r6
Apr 16, 2026
Mar 3, 2004
N/A· v4
N/A· v3
7.2 HIGH· v2
Multiple unknown vulnerabilities in XFree86 4.1.0 to 4.3.0, related to improper handling of font files, a different set of vulnerabilities than CVE-2004-0083 and CVE-2004-0084.
2Openbsd
Xfree86 Project
2Openbsd
X11r6
Apr 16, 2026
Mar 3, 2004
N/A· v4
N/A· v3
10.0 HIGH· v2
Buffer overflow in the ReadFontAlias function in XFree86 4.1.0 to 4.3.0, when using the CopyISOLatin1Lowered function, allows local or remote authenticated users to execute arbitrary code via a malformed entry in the fon...Show more
Buffer overflow in the ReadFontAlias function in XFree86 4.1.0 to 4.3.0, when using the CopyISOLatin1Lowered function, allows local or remote authenticated users to execute arbitrary code via a malformed entry in the font alias (font.alias) file, a different vulnerability than CVE-2004-0083 and CVE-2004-0106.Show less
2Openbsd
Xfree86 Project
2Openbsd
X11r6
Apr 16, 2026
Mar 3, 2004
N/A· v4
N/A· v3
10.0 HIGH· v2
Buffer overflow in ReadFontAlias from dirfile.c of XFree86 4.1.0 through 4.3.0 allows local users and remote attackers to execute arbitrary code via a font alias file (font.alias) with a long token, a different vulnerabi...Show more
Buffer overflow in ReadFontAlias from dirfile.c of XFree86 4.1.0 through 4.3.0 allows local users and remote attackers to execute arbitrary code via a font alias file (font.alias) with a long token, a different vulnerability than CVE-2004-0084 and CVE-2004-0106.Show less
8Apache
AppleAvaya+5 more
14Apache Mod Digest Apple
Communication ManagerHttp Server+11 more
Apr 16, 2026
Feb 3, 2004
N/A· v4
N/A· v3
7.5 HIGH· v2
mod_digest_apple for Apache 1.3.31 and 1.3.32 on Mac OS X Server does not properly verify the nonce of a client response, which allows remote attackers to replay credentials.
1Openbsd
1Openbsd
Apr 16, 2026
Dec 31, 2003
N/A· v4
N/A· v3
3.3 LOW· v2
chpass in OpenBSD 2.0 through 3.2 allows local users to read portions of arbitrary files via a hard link attack on a temporary file used to store user database information.
1Openbsd
1Openbsd
Apr 16, 2026
Dec 15, 2003
N/A· v4
N/A· v3
4.6 MEDIUM· v2
OpenBSD kernel 3.3 and 3.4 allows local users to cause a denial of service (kernel panic) and possibly execute arbitrary code in 3.4 via a program with an invalid header that is not properly handled by (1) ibcs2_exec.c i...Show more
OpenBSD kernel 3.3 and 3.4 allows local users to cause a denial of service (kernel panic) and possibly execute arbitrary code in 3.4 via a program with an invalid header that is not properly handled by (1) ibcs2_exec.c in the iBCS2 emulation (compat_ibcs2) or (2) exec_elf.c, which leads to a stack-based buffer overflow.Show less
3Apple
FreebsdOpenbsd
4Freebsd
Mac Os XMac Os X Server+1 more
Apr 16, 2026
Nov 17, 2003
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The arplookup function in FreeBSD 5.1 and earlier, Mac OS X before 10.2.8, and possibly other BSD-based systems, allows remote attackers on a local subnet to cause a denial of service (resource starvation and panic) via...Show more
The arplookup function in FreeBSD 5.1 and earlier, Mac OS X before 10.2.8, and possibly other BSD-based systems, allows remote attackers on a local subnet to cause a denial of service (resource starvation and panic) via a flood of spoofed ARP requests.Show less
6Compaq
FreebsdOpenbsd+3 more
6Freebsd
IrixOpenbsd+3 more
Apr 16, 2026
Oct 20, 2003
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The DNS map code in Sendmail 8.12.8 and earlier, when using the "enhdnsbl" feature, does not properly initialize certain data structures, which allows remote attackers to cause a denial of service (process crash) via an...Show more
The DNS map code in Sendmail 8.12.8 and earlier, when using the "enhdnsbl" feature, does not properly initialize certain data structures, which allows remote attackers to cause a denial of service (process crash) via an invalid DNS response that causes Sendmail to free incorrect data.Show less