Known Vulnerabilities for products from Openbsd

Listed below are 20 of the newest known vulnerabilities associated with the vendor "Openbsd".

These CVEs are retrieved based on exact matches on listed vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed vendor information are still displayed.

Data on known vulnerable products is also displayed based on information from known CPEs, each product links to its respective vulnerability page.

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-41285 json In OpenBSD through 7.8, the slaacd and rad daemons have an infinite loop when they receive a crafted ICMPv6 Neighbor Discover... Not Provided 2026-04-21 2026-04-24
CVE-2026-35414 json OpenSSH before 10.3 mishandles the authorized_keys principals option in uncommon scenarios involving a principals list in con... Not Provided 2026-04-02 2026-04-10
CVE-2026-35388 json OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions. Not Provided 2026-04-02 2026-04-27
CVE-2026-35387 json OpenSSH before 10.3 can use unintended ECDSA algorithms. Listing of any ECDSA algorithm in PubkeyAcceptedAlgorithms or Hostba... Not Provided 2026-04-02 2026-04-27
CVE-2026-35386 json In OpenSSH before 10.3, command execution can occur via shell metacharacters in a username within a command line. This requir... Not Provided 2026-04-02 2026-04-27
CVE-2026-35385 json In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expect... Not Provided 2026-04-02 2026-04-27
CVE-2026-33306 json Not Provided 2026-03-24 2026-03-24
CVE-2025-26465 json A vulnerability was found in OpenSSH when the VerifyHostKeyDNS option is enabled. A machine-in-the-middle attack can be perfo... Not Provided 2025-02-18 2026-05-12
CVE-2023-51385 json In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host name has shell metacharacters, and this... Not Provided 2023-12-18 2026-05-12
CVE-2023-51384 json In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied. When destination constraints... Not Provided 2023-12-18 2026-05-12
CVE-2023-48795 json The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote att... Not Provided 2023-12-18 2026-05-12
CVE-2023-40216 json OpenBSD 7.3 before errata 014 is missing an argument-count bounds check in console terminal emulation. This could cause incor... 5.5 - MEDIUM 2023-08-10 2023-08-23
CVE-2023-38408 json The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently trustworthy search path, leading to remote cod... 9.8 - CRITICAL 2023-07-20 2023-11-07
CVE-2023-38283 json In OpenBGPD before 8.1, incorrect handling of BGP update data (length of path attributes) set by a potentially distant remote... 5.3 - MEDIUM 2023-08-29 2023-09-07
CVE-2023-35784 json 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 i... 9.8 - CRITICAL 2023-06-16 2023-11-06
CVE-2023-29323 json ascii_load_sockaddr in smtpd in OpenBSD before 7.1 errata 024 and 7.2 before errata 020, and OpenSMTPD Portable before 7.0.0-... 7.8 - HIGH 2023-04-04 2023-05-26
CVE-2023-28531 json ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints. The earl... Not Provided 2023-03-17 2026-05-12
CVE-2023-27567 json In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash the kernel. 7.5 - HIGH 2023-03-03 2023-04-06
CVE-2022-48437 json 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... 5.3 - MEDIUM 2023-04-12 2023-04-21
CVE-2022-27882 json slaacd in OpenBSD 6.9 and 7.0 before 2022-03-22 has an integer signedness error and resultant heap-based buffer overflow trig... 7.5 - HIGH 2022-03-25 2022-05-12

Known software with vulnerabilities from Openbsd

Type Vendor Product Version
ApplicationOpenbsdFtpd-
ApplicationOpenbsdLibressl2.0.0
Operating
System
OpenbsdOpenbsd-
ApplicationOpenbsdOpenbsd-
ApplicationOpenbsdOpensmtpd5.3.1
ApplicationOpenbsdOpenssh-
ApplicationOpenbsdTextproc/isearch-