OP
Product
OpenBSD
by OpenBSD · last CVE Sep 30, 2026
203
CVEs
0
On KEV
9.8
Max CVSS
1
New 30D
Severity mix
Critical 11High 23Medium 23Low 1
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2024-10934
9.8
0%
Nov 15
In OpenBSD 7.5 before errata 008 and OpenBSD 7.4 before errata 021, avoid possible mbuf double free in NFS client and server implementation, do not use uninitialized variable in…
Affected: before 7.4; 7.4; 7.4; 7.4; 7.4; 7.4; +24 more
CVE-2024-29937
9.8
2%
Apr 11
NFS in a BSD derived codebase, as used in OpenBSD through 7.4 and FreeBSD through 14.0-RELEASE, allows remote attackers to execute arbitrary code via a bug that is unrelated to…
Affected: through 7.4
CVE-2023-35784
9.8
1%
Jun 16
A double free or use after free could occur after SSL_clear in OpenBSD 7.2 before errata 026 and 7.3 before errata 004, and in LibreSSL before 3.6.3 and 3.7.x before 3.7.3
Affected: 7.2; 7.3
CVE-2021-46880
9.8
1%
Apr 15
x509/x509_verify.c in LibreSSL before 3.4.2, and OpenBSD before 7.0 errata 006, allows authentication bypass because an error for an unverified certificate chain is sometimes…
Affected: before 7.0
CVE-2020-16088
9.8
2%
Jul 28
iked in OpenIKED, as used in OpenBSD through 6.7, allows authentication bypass because ca.c has the wrong logic for checking whether a public key matches
Affected: through 6.7
CVE-2012-1577
9.8
2%
Dec 10
lib/libc/stdlib/random.c in OpenBSD returns 0 when seeded with 0
Affected: All versions, or not specified
CVE-2019-19521
9.8
3%
Dec 5
libc in OpenBSD 6.6 allows authentication bypass via the -schallenge username, as demonstrated by smtpd, ldapd, or radiusd
Affected: 6.6
CVE-2017-1000372
9.8
4%
Jun 19
A flaw exists in OpenBSD's implementation of the stack guard page that allows attackers to bypass it resulting in arbitrary code execution using setuid binaries such as…
Affected: through 6.1
CVE-2003-0466
9.8
78%
Aug 27
Off-by-one error in the fb_realpath() function, as derived from the realpath function in BSD, may allow attackers to execute arbitrary code, as demonstrated in wu-ftpd 2.5.0…
Affected: 2.0 through 3.3
CVE-2002-0391
9.8
58%
Aug 12
Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or other code based on SunRPC including dietlibc, allows remote attackers to…
Affected: 3.1
CVE-2026-103547
9.2
0%
Sep 30
In ldapd in OpenBSD 7.8 before errata 057 and 7.9 before errata 021, delegated BSD authentication results are correlated only by the LDAP child process client file descriptor and…
Affected: 7.8 before errata 057; 7.9 before errata 021
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