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OpenBSD

291 CVEs tracked since 1999. Since May 2004, 1 of them reached CISA KEV.

OpenBSD CVEs per month

May 2004 to Nov 2026. Point at a month, or focus the strip and use the arrow keys.
OpenBSD CVEs per month, with the share now in CISA KEV
MonthCVEsIn CISA KEV
2004-0510
2004-0660
2004-070
2004-080
2004-09120
2004-100
2004-110
2004-120
2005-010
2005-0220
2005-0330
2005-0430
2005-0530
2005-061 or fewer
2005-0740
2005-0830
2005-0920
2005-100
2005-1120
2005-121 or fewer
2006-0130
2006-021 or fewer
2006-031 or fewer
2006-041 or fewer
2006-051 or fewer
2006-061 or fewer
2006-071 or fewer
2006-0830
2006-0940
2006-1030
2006-1120
2006-1220
2007-0120
2007-021 or fewer
2007-031 or fewer
2007-0430
2007-051 or fewer
2007-061 or fewer
2007-071 or fewer
2007-081 or fewer
2007-0920
2007-1050
2007-111 or fewer
2007-121 or fewer
2008-011 or fewer
2008-0230
2008-0320
2008-041 or fewer
2008-051 or fewer
2008-061 or fewer
2008-0720
2008-0830
2008-0920
2008-1020
2008-1110
2008-121 or fewer
2009-011 or fewer
2009-021 or fewer
2009-0320
2009-041 or fewer
2009-051 or fewer
2009-061 or fewer
2009-0710
2009-08no snapshot
2009-091 or fewer
2009-1020
2009-110
2009-121 or fewer
2010-010
2010-020
2010-031 or fewer
2010-041 or fewer
2010-051 or fewer
2010-060
2010-070
2010-080
2010-090
2010-100
2010-110
2010-1210
2011-010
2011-0210
2011-0320
2011-040
2011-0530
2011-060
2011-070
2011-0810
2011-091 or fewer
2011-100
2011-110
2011-120
2012-0110
2012-020
2012-030
2012-0410
2012-050
2012-060
2012-070
2012-081 or fewer
2012-091 or fewer
2012-101 or fewer
2012-111 or fewer
2012-120
2013-010
2013-020
2013-0310
2013-040
2013-050
2013-060
2013-070
2013-080
2013-090
2013-100
2013-1110
2013-120
2014-0110
2014-0210
2014-0320
2014-041 or fewer
2014-0510
2014-061 or fewer
2014-071 or fewer
2014-080
2014-091 or fewer
2014-101 or fewer
2014-111 or fewer
2014-1230
2015-011 or fewer
2015-021 or fewer
2015-030
2015-040
2015-050
2015-061 or fewer
2015-070
2015-0850
2015-090
2015-100
2015-110
2015-120
2016-0130
2016-020
2016-0310
2016-040
2016-0510
2016-060
2016-070
2016-08no snapshot
2016-090
2016-100
2016-11no snapshot
2016-1210
2017-01no snapshot
2017-021 or fewer
2017-03120
2017-04no snapshot
2017-051 or fewer
2017-06no snapshot
2017-071 or fewer
2017-082 or fewer
2017-091 or fewer
2017-1020
2017-11no snapshot
2017-121 or fewer
2018-012 or fewer
2018-021 or fewer
2018-032 or fewer
2018-04no snapshot
2018-05no snapshot
2018-062 or fewer
2018-072 or fewer
2018-0830
2018-092 or fewer
2018-102 or fewer
2018-11no snapshot
2018-122 or fewer
2019-01no snapshot
2019-021 or fewer
2019-03no snapshot
2019-04no snapshot
2019-051 or fewer
2019-06no snapshot
2019-072 or fewer
2019-082 or fewer
2019-092 or fewer
2019-102 or fewer
2019-112 or fewer
2019-1280
2020-0131
2020-022 or fewer
2020-032 or fewer
2020-04no snapshot
2020-05no snapshot
2020-062 or fewer
2020-07no snapshot
2020-082 or fewer
2020-091 or fewer
2020-101 or fewer
2020-111 or fewer
2020-122 or fewer
2021-012 or fewer
2021-022 or fewer
2021-03no snapshot
2021-042 or fewer
2021-052 or fewer
2021-062 or fewer
2021-072 or fewer
2021-083 or fewer
2021-0930
2021-102 or fewer
2021-112 or fewer
2021-122 or fewer
2022-012 or fewer
2022-022 or fewer
2022-033 or fewer
2022-043 or fewer
2022-053 or fewer
2022-063 or fewer
2022-073 or fewer
2022-083 or fewer
2022-093 or fewer
2022-102 or fewer
2022-113 or fewer
2022-123 or fewer
2023-013 or fewer
2023-023 or fewer
2023-03no snapshot
2023-043 or fewer
2023-053 or fewer
2023-064 or fewer
2023-073 or fewer
2023-084 or fewer
2023-093 or fewer
2023-104 or fewer
2023-114 or fewer
2023-1240
2024-014 or fewer
2024-024 or fewer
2024-034 or fewer
2024-044 or fewer
2024-055 or fewer
2024-064 or fewer
2024-074 or fewer
2024-084 or fewer
2024-093 or fewer
2024-104 or fewer
2024-114 or fewer
2024-123 or fewer
2025-014 or fewer
2025-023 or fewer
2025-035 or fewer
2025-044 or fewer
2025-054 or fewer
2025-064 or fewer
2025-075 or fewer
2025-084 or fewer
2025-094 or fewer
2025-104 or fewer
2025-114 or fewer
2025-125 or fewer
2026-015 or fewer
2026-025 or fewer
2026-037 or fewer
2026-0460
2026-057 or fewer
2026-067 or fewer
2026-0780
2026-088 or fewer
2026-099 or fewer
2026-10150
2026-113 or fewer

Products

The products that kept showing up in OpenBSD's monthly top three, with their CVEs summed over those months.

  1. OpenBSD8833 months
  2. Openssh8644 months
  3. Libressl84 months
  4. Opensmtpd33 months
  5. Textproc\/isearch11 month

Latest CVEs

The 15 most recently published vulnerabilities affecting OpenBSD.

  1. CVE-2026-123158sshd in OpenSSH before 10.6p2 on Linux, when musl libc is used without PAM, lacks a workaround for a password authentication bypass (related to misinterpretation of whether a string is intended to ...8.1
  2. CVE-2026-118374LibreSSL ocspcheck through 4.4.0 Memory Exhaustion via Unbounded OCSP HTTP Response5.9
  3. CVE-2026-118373LibreSSL ocspcheck through 4.4.0 Cleartext Transmission of OCSP Requests via url2host()3.7
  4. CVE-2026-118371LibreSSL through 4.4.0 CRLF Injection via OCSP_sendreq_new() Request Line3.7
  5. CVE-2026-118372LibreSSL ocspcheck through 4.4.0 CRLF Injection via AIA OCSP URL Path3.7
  6. CVE-2026-106583In ssh in OpenSSH before 10.6, a $ or \ character can occur in a command-line username, leading to injection.2.5
  7. CVE-2026-106589In sshd in OpenSSH through 10.6, in certain environments such as QNX 6 and SCO OpenServer 5, sshd-session can unexpectedly have root privileges. This is related to the GatewayPorts and StreamLocalF...2.9
  8. CVE-2026-106588In sshd in OpenSSH through 10.6, use of the macOS 27 (or later) SDK has the side effect of loss of sandboxing, which is potentially unexpected.3.1
  9. CVE-2026-106587In sshd in OpenSSH before 10.6, the value "none" for a configuration option is sometimes interpreted as a filename but was intended to mean that a feature is disabled.3.6
  10. CVE-2026-106586In sshd in OpenSSH before 10.6, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwarding but was not, a different vulnerability than CVE-2026-73283.2.5
  11. CVE-2026-106585In sshd and ssh in OpenSSH before 10.6, there is no check for whether the maximum packet length is exceeded during decompression of highly compressed data.6.5
  12. CVE-2026-106584In ssh-keygen in OpenSSH before 10.6, certificates could have incorrect expiration times because of Daylight Saving mishandling. There can be a slightly more severe effect on users in certain Antar...2.5
  13. CVE-2026-106582In sshd and ssh in OpenSSH before 10.6, an LZ77 dictionary coder can be used even though this is contraindicated by the arXiv 2609.07709 "Crossing the Streams" findings.3.7
  14. CVE-2026-106555In sshd in OpenSSH before 10.6, GSSAPIAuthentication authentication state can incorrectly be persisted across authentication attempts.2.2
  15. CVE-2026-106553In sshd in OpenSSH before 10.6, credentials can incorrectly persist after failure of a GSSAPIAuthentication authentication attempt.2.2

The record

Peak rank
#2 in Feb 2004
Busiest month shown
Oct 2026, 15 CVEs
Months with a KEV entry
1 since May 2004
Monthly snapshots
89 since 1999
OpenBSD's full record, month by month