Openbsd Openssh

54 CVEs affecting Openbsd Openssh. Latest disclosed: 2026-04-02. Critical: 3, High: 18.

Top CVEs affecting Openbsd Openssh
CVESeverityScorePublishedSummary
CVE-2023-28531Critical9.82023-03-17ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints. The earliest affected version is 8.9.
CVE-2016-1908Critical9.82017-04-11The client in OpenSSH before 7.2 mishandles failed cookie generation for untrusted X11 forwarding and relies on the local X11 server for access-control decisio…
CVE-2010-4478Critical9.82010-12-06OpenSSH 5.6 and earlier, when J-PAKE is enabled, does not properly validate the public parameters in the J-PAKE protocol, which allows remote attackers to bypa…
CVE-2024-6387High8.12024-07-01A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd). There is a race condition which can lead sshd to handle some signals in an uns…
CVE-2016-0778High8.12016-01-14The (1) roaming_read and (2) roaming_write functions in roaming_common.c in the client in OpenSSH 5.x, 6.x, and 7.x before 7.1p2, when certain proxy and forwar…
CVE-2015-5600High8.12015-08-03The kbdint_next_device function in auth2-chall.c in sshd in OpenSSH through 6.9 does not properly restrict the processing of keyboard-interactive devices withi…
CVE-2016-10012High7.82017-01-05The shared memory manager (associated with pre-authentication compression) in sshd in OpenSSH before 7.4 does not ensure that a bounds check is enforced by all…
CVE-2015-8325High7.82016-05-01The do_setup_env function in session.c in sshd in OpenSSH through 7.2p2, when the UseLogin feature is enabled and PAM is configured to read .pam_environment fi…
CVE-2026-35385High7.52026-04-02In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectations, if the download is perform…
CVE-2026-3497High7.52026-03-12Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects the GSSAPI patches added by various Linux distrib…
CVE-2016-10708High7.52018-01-21sshd in OpenSSH before 7.4 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an out-of-sequence NEWKEYS mess…
CVE-2016-8858High7.52016-12-09The kex_input_kexinit function in kex.c in OpenSSH 6.x and 7.x through 7.3 allows remote attackers to cause a denial of service (memory consumption) by sending…
CVE-2016-6515High7.52016-08-07The auth_password function in auth-passwd.c in sshd in OpenSSH before 7.3 does not limit password lengths for password authentication, which allows remote atta…
CVE-2010-5107High7.52013-03-07The default configuration of OpenSSH through 6.1 enforces a fixed time limit between establishing a TCP connection and completing a login, which makes it easie…
CVE-2011-0539High7.52011-02-10The key_certify function in usr.bin/ssh/key.c in OpenSSH 5.6 and 5.7, when generating legacy certificates using the -t command-line option in ssh-keygen, does…
CVE-2016-10009High7.32017-01-05Untrusted search path vulnerability in ssh-agent.c in ssh-agent in OpenSSH before 7.4 allows remote attackers to execute arbitrary local PKCS#11 modules by lev…
CVE-2014-1692High7.32014-01-29The hash_buffer function in schnorr.c in OpenSSH through 6.4, when Makefile.inc is modified to enable the J-PAKE protocol, does not initialize certain data str…
CVE-2023-51767High7.02023-12-24OpenSSH through 10.0, when common types of DRAM are used, might allow row hammer attacks (for authentication bypass) because the integer value of authenticated…
CVE-2021-41617High7.02021-09-26sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege escalation because supplemental groups are not i…
CVE-2016-10010High7.02017-01-05sshd in OpenSSH before 7.4, when privilege separation is not used, creates forwarded Unix-domain sockets as root, which might allow local users to gain privile…