Browse CVEs

CRITICAL 9.4 CVE-2026-60002 ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange. (This outcome occurs only on the cl… Openssh 10.4+ Fix from $2,3002026-07-08 HIGH 7.5 CVE-2026-59999 In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did not. Openssh 10.4+ Fix from $1,9502026-07-08 HIGH 7.5 CVE-2026-60000 sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service (resource consumption from excessive authentication attempts) becaus… Openssh 10.4+ Fix from $1,9502026-07-08 MEDIUM 6.5 CVE-2026-60001 sshd in OpenSSH before 10.4 does not always honor the minimum authentication delay. Openssh 10.4+ Fix from $1,6002026-07-08 MEDIUM 6.5 CVE-2026-59998 sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active… Openssh 10.4+ Fix from $1,6002026-07-08 MEDIUM 5.4 CVE-2026-59995 sftp in OpenSSH before 10.4 does not properly constrain the location of downloaded files when "sftp server:/path ." is used with an attacker-controll… Openssh 10.4+ Fix from $1,6002026-07-08 MEDIUM 5.4 CVE-2026-59996 scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destinations. Openssh 10.4+ Fix from $1,6002026-07-08 MEDIUM 5.4 CVE-2026-59997 internal-sftp in sshd in OpenSSH before 10.4 recognizes only the first 9 command-line arguments, which can be important if a later command-line argum… Openssh 10.4+ Fix from $1,6002026-07-08 HIGH 7.8 CVE-2026-57589 sys/kern/sysv_sem.c in OpenBSD through 7.9 has a use-after-free allowing local privilege escalation to root. This is a context switch use-after-free … OpenBSD after 7.9 Fix from $1,9502026-06-25 MEDIUM 5.3 CVE-2026-56099 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… OpenBSD 2026-06-18+ Fix from $1,6002026-06-18 HIGH 8.3 CVE-2026-55706 sppp_pap_input in sys/net/if_spppsubr.c in OpenBSD before 076e2b1 allows authentication bypass via certain zero values for lengths. OpenBSD after 7.6 Fix from $1,9502026-06-17 HIGH 8.1 CVE-2026-35414 OpenSSH before 10.3 mishandles the authorized_keys principals option in uncommon scenarios involving a principals list in conjunction with a Certific… Openssh 10.3+ Fix from $1,9502026-04-02 HIGH 8.1 CVE-2026-35385 In 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 … Openssh 10.3+ Fix from $1,9502026-04-02 HIGH 8.1 CVE-2026-35386 In OpenSSH before 10.3, command execution can occur via shell metacharacters in a username within a command line. This requires a scenario where the … Openssh 10.3+ Fix from $1,9502026-04-02 MEDIUM 6.5 CVE-2026-35387 OpenSSH before 10.3 can use unintended ECDSA algorithms. Listing of any ECDSA algorithm in PubkeyAcceptedAlgorithms or HostbasedAcceptedAlgorithms is… Openssh 10.3+ Fix from $1,6002026-04-02 MEDIUM 6.5 CVE-2025-30334 In OpenBSD 7.6 before errata 006 and OpenBSD 7.5 before errata 015, traffic sent over wg(4) could result in kernel crash. OpenBSD 7.5+ Fix from $1,6002025-03-20 MEDIUM 5.5 CVE-2024-11149 In OpenBSD 7.4 before errata 014, vmm(4) did not restore GDTR limits properly on Intel (VMX) CPUs. OpenBSD 7.4+ Fix from $1,6002024-12-06 HIGH 7.5 CVE-2024-11148 In OpenBSD 7.4 before errata 006 and OpenBSD 7.3 before errata 020, httpd(8) is vulnerable to a NULL dereference when handling a malformed fastcgi re… OpenBSD 7.3+ Fix from $1,9502024-12-05 MEDIUM 5.5 CVE-2024-10933 In OpenBSD 7.5 before errata 009 and OpenBSD 7.4 before errata 022, exclude any '/' in readdir name validation to avoid unexpected directory traversa… OpenBSD 7.4+ Fix from $1,6002024-12-05 CRITICAL 9.8 CVE-2024-10934 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 … OpenBSD 7.4+ Fix from $2,3002024-11-15 MEDIUM 5.5 CVE-2021-34999 OpenBSD Kernel Multicast Routing Uninitialized Memory Information Disclosure Vulnerability. This vulnerability allows local attackers to disclose sen… OpenBSD Mitigation only Fix from $1,6002024-05-07 HIGH 7.5 CVE-2023-52557 In OpenBSD 7.3 before errata 016, npppd(8) could crash by a l2tp message which has an AVP (Attribute-Value Pair) with wrong length. OpenBSD 7.3+ Fix from $1,9502024-03-01 HIGH 7.5 CVE-2023-52558 In OpenBSD 7.4 before errata 002 and OpenBSD 7.3 before errata 019, a network buffer that had to be split at certain length that could crash the kern… OpenBSD 7.3+ Fix from $1,9502024-03-01 MEDIUM 6.2 CVE-2023-52556 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. OpenBSD 7.4+ Fix from $1,6002024-03-01 MEDIUM 5.5 CVE-2023-40216 OpenBSD 7.3 before errata 014 is missing an argument-count bounds check in console terminal emulation. This could cause incorrect memory access and a… OpenBSD Patch available Fix from $1,6002023-08-10 CRITICAL 9.8 CVE-2023-35784 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 … Libressl 3.6.3 / 3.7.3+ Fix from $2,3002023-06-16 CRITICAL 9.8 CVE-2021-46880 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 certi… Libressl 3.4.2 / 7.0+ Fix from $2,3002023-04-15 MEDIUM 5.3 CVE-2022-48437 An issue was discovered in x509/x509_verify.c in LibreSSL before 3.6.1, and in OpenBSD before 7.2 errata 001. x509_verify_ctx_add_chain does not stor… Libressl 3.6.1 / 7.2+ Fix from $1,6002023-04-12 CRITICAL 9.8 CVE-2023-28531 ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints. The earliest affected version is… Openssh 9.3+ Fix from $2,3002023-03-17 HIGH 7.5 CVE-2023-27567 In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash the kernel. OpenBSD Patch available Fix from $1,9502023-03-03