Vendor
OpenBSD
51 known vulnerabilities.
Products
19 results · Clear filters · Feed
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Medium 5.9
LibreSSL ocspcheck through 4.4.0 Memory Exhaustion via Unbounded OCSP HTTP Response
LibreSSL ocspcheck through 4.4.0 contains a memory exhaustion vulnerability that allows malicious OCSP responders to exhaust memory by sending unbounded HTTP responses. Attackers controlling the responder or intercepting plain HTTP AIA OCSP traffic can stream…
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Medium 6.5
In sshd and ssh in OpenSSH before 10.6, there is no check for whether the maximum packet length is exceeded during deco…
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Medium 4.2
In sftp in OpenSSH before 10.6, a server can trigger directory traversal (causing files to be written to unintended loc…
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Medium 5.3
OpenBSD ieee80211_crypto_tkip.c TKIP MIC Countermeasure Logic Inversion DoS
OpenBSD before commit 1ee99df contains an inverted comparison vulnerability in the ieee80211_michael_mic_failure() function within sys/net80211/ieee80211_crypto_tkip.c that allows unauthenticated attackers within RF range to trigger denial of service by sendi…
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Medium 4.8
In ssh in OpenSSH before 10.5, a use-after-free for realloc data can occur if a certain pair of remote-forwarding opera…
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Medium 6.5
sshd in OpenSSH before 10.4 does not always honor the minimum authentication delay.
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Medium 5.9
In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did no…
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Medium 4.8
sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if t…
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Medium 4.2
internal-sftp in sshd in OpenSSH before 10.4 recognizes only the first 9 command-line arguments, which can be important…
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Medium 4.2
scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs betwe…
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Medium 4.2
sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when "sftp server:/path ." is …
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Medium 5.3
OpenBSD mpls_do_error Kernel Stack Memory Disclosure via MPLS Input
OpenBSD before commit 6a23123 (2026-06-18) contains an out-of-bounds read vulnerability in the mpls_do_error function within sys/netmpls/mpls_input.c that allows remote attackers to disclose kernel stack memory by sending crafted MPLS frames with 16 labels an…
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Medium 5.8
sppp_pap_input in sys/net/if_spppsubr.c in OpenBSD before 076e2b1 allows authentication bypass via certain zero values …
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Medium 4.3CVE-2026-41285 Public exploit
In OpenBSD through 7.8, the slaacd and rad daemons have an infinite loop when they receive a crafted ICMPv6 Neighbor Di…
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Medium 4.2CVE-2026-35414 Public exploit
OpenSSH before 10.3 mishandles the authorized_keys principals option in uncommon scenarios involving a principals list …
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Medium 4.3
In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it di…
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Medium 6.5
OpenBSD wg(4) kernel crash
In OpenBSD 7.6 before errata 006 and OpenBSD 7.5 before errata 015, traffic sent over wg(4) could result in kernel crash.
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Medium 5.0
OpenBSD readdir directory traversal
In OpenBSD 7.5 before errata 009 and OpenBSD 7.4 before errata 022, exclude any '/' in readdir name validation to avoid unexpected directory traversal on untrusted file systems.
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Medium 6.2
OpenBSD 7.4 pf state race condition kernel crash
In OpenBSD 7.4 before errata 009, a race condition between pf(4)'s processing of packets and expiration of packet states may cause a kernel panic.