Vulnerabilities > Openbsd > Critical
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2023-07-20 | CVE-2023-38408 | Unquoted Search Path or Element vulnerability in multiple products The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently trustworthy search path, leading to remote code execution if an agent is forwarded to an attacker-controlled system. | 9.8 |
| 2023-06-16 | CVE-2023-35784 | Use After Free vulnerability in Openbsd Libressl and Openbsd 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 and 3.7.x before 3.7.3. | 9.8 |
| 2023-04-15 | CVE-2021-46880 | Improper Certificate Validation vulnerability in Openbsd 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 certificate chain is sometimes discarded. | 9.8 |
| 2023-03-17 | CVE-2023-28531 | ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints. | 9.8 |
| 2020-07-28 | CVE-2020-16088 | Improper Authentication vulnerability in Openbsd iked in OpenIKED, as used in OpenBSD through 6.7, allows authentication bypass because ca.c has the wrong logic for checking whether a public key matches. | 9.8 |
| 2020-01-29 | CVE-2020-7247 | Improper Handling of Exceptional Conditions vulnerability in multiple products smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows remote attackers to execute arbitrary commands as root via a crafted SMTP session, as demonstrated by shell metacharacters in a MAIL FROM field. | 9.8 |
| 2020-01-23 | CVE-2015-5334 | Out-of-bounds Write vulnerability in multiple products Off-by-one error in the OBJ_obj2txt function in LibreSSL before 2.3.1 allows remote attackers to cause a denial of service (program crash) or possible execute arbitrary code via a crafted X.509 certificate, which triggers a stack-based buffer overflow. | 9.8 |
| 2019-12-10 | CVE-2012-1577 | Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG) vulnerability in multiple products lib/libc/stdlib/random.c in OpenBSD returns 0 when seeded with 0. | 9.8 |
| 2019-12-05 | CVE-2019-19521 | Improper Authentication vulnerability in Openbsd 6.6 libc in OpenBSD 6.6 allows authentication bypass via the -schallenge username, as demonstrated by smtpd, ldapd, or radiusd. | 9.8 |
| 2017-10-16 | CVE-2015-7687 | Use After Free vulnerability in multiple products Use-after-free vulnerability in OpenSMTPD before 5.7.2 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via vectors involving req_ca_vrfy_smtp and req_ca_vrfy_mta. | 9.8 |