Known Vulnerabilities for Openbsd by Openbsd
Listed below are 10 of the newest known vulnerabilities associated with "Openbsd" by "Openbsd".
These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.
Data on known vulnerable versions is also displayed based on information from known CPEs
Known Vulnerabilities
| CVE | Shortened Description | Severity | Publish Date | Last Modified |
|---|---|---|---|---|
| CVE-2026-57589 json | sys/kern/sysv_sem.c in OpenBSD through 7.9 has a use-after-free allowing local privilege escalation to root. This is a contex... | Not Provided | 2026-06-25 | 2026-06-26 |
| CVE-2026-56101 json | OpenBSD before commit 1ee99df contains an inverted comparison vulnerability in the ieee80211_michael_mic_failure() function w... | Not Provided | 2026-09-08 | 2026-09-10 |
| CVE-2026-56099 json | OpenBSD before commit 6a23123 (2026-06-18) contains an out-of-bounds read vulnerability in the mpls_do_error function within ... | Not Provided | 2026-06-18 | 2026-07-14 |
| CVE-2026-55706 json | sppp_pap_input in sys/net/if_spppsubr.c in OpenBSD before 076e2b1 allows authentication bypass via certain zero values for le... | Not Provided | 2026-06-17 | 2026-06-17 |
| CVE-2026-41285 json | Not Provided | 2026-04-21 | 2026-04-24 | |
| 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-2023-38283 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-2023-27567 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 |
Known Affected Configurations (CPE V2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Openbsd | Openbsd | 6.7 | |||
| Operating System | Openbsd | Openbsd | 6.6 | |||
| Operating System | Openbsd | Openbsd | 6.5 | |||
| Operating System | Openbsd | Openbsd | 6.4 | |||
| Operating System | Openbsd | Openbsd | 6.3 | |||
| Operating System | Openbsd | Openbsd | 6.2 | |||
| Operating System | Openbsd | Openbsd | 6.1 | |||
| Operating System | Openbsd | Openbsd | 6.0 | |||
| Operating System | Openbsd | Openbsd | 5.9 | |||
| Operating System | Openbsd | Openbsd | 5.8 | |||
| Operating System | Openbsd | Openbsd | 5.7 | |||
| Operating System | Openbsd | Openbsd | 5.6 | |||
| Operating System | Openbsd | Openbsd | 5.5 | |||
| Operating System | Openbsd | Openbsd | 5.4 | |||
| Operating System | Openbsd | Openbsd | 5.3 | |||
| Operating System | Openbsd | Openbsd | 5.2 | |||
| Operating System | Openbsd | Openbsd | 5.1 | |||
| Operating System | Openbsd | Openbsd | 5.0 | |||
| Operating System | Openbsd | Openbsd | 4.9 | |||
| Operating System | Openbsd | Openbsd | 4.8 |