openbsd Vulnerability Advisory Catalog

Total 244 security vulnerabilities recorded for openbsd software and firmware.

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Component: openbsd

In OpenBSD 7.4 before errata 014, vmm(4) did not restore GDTR limits properly on Intel (VMX) CPUs....

๐Ÿ“… 2024-12-06
CVSS 7.9 Dossier →
Component: openbsd

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 req...

๐Ÿ“… 2024-12-05
CVSS 7.5 Dossier →
Component: openbsd

In OpenBSD 7.5 before errata 009 and OpenBSD 7.4 before errata 022, exclude any '/' in readdir name validation to avoid unexpected directory traversal...

๐Ÿ“… 2024-12-05
CVSS 5.0 Dossier →
CVE-2024-10934 CRITICAL
Component: openbsd

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 u...

๐Ÿ“… 2024-11-15
CVSS 9.8 Dossier →
Component: openbsd

OpenBSD Kernel Multicast Routing Uninitialized Memory Information Disclosure Vulnerability. This vulnerability allows local attackers to disclose sens...

๐Ÿ“… 2024-05-07
CVSS 3.3 Dossier →
Component: openbsd

OpenBSD Kernel Multicast Routing Uninitialized Memory Information Disclosure Vulnerability. This vulnerability allows local attackers to disclose sens...

๐Ÿ“… 2024-05-07
CVSS 5.5 Dossier →
Component: openbsd

In OpenBSD 7.4 before errata 002 and OpenBSD 7.3 before errata 019, aย network buffer that had to be split at certain length that could crash the kerne...

๐Ÿ“… 2024-03-01
CVSS 7.5 Dossier →
Component: openbsd

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. ...

๐Ÿ“… 2024-03-01
CVSS 7.5 Dossier →
Component: openbsd

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. ...

๐Ÿ“… 2024-03-01
CVSS 6.2 Dossier →
Component: openssh

OpenSSH through 10.0, when common types of DRAM are used, might allow row hammer attacks (for authentication bypass) because the integer value of auth...

๐Ÿ“… 2023-12-24
CVSS 7.0 Dossier →
Component: openssh

In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host name has shell metacharacters, and this name is referenced by an...

๐Ÿ“… 2023-12-18
CVSS 6.5 Dossier →
Component: openssh

In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied. When destination constraints are specified during add...

๐Ÿ“… 2023-12-18
CVSS 5.5 Dossier →
Component: openssh

The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrit...

๐Ÿ“… 2023-12-18
CVSS 5.9 Dossier →
Component: openbsd

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 ...

๐Ÿ“… 2023-08-10
CVSS 5.5 Dossier →
CVE-2023-38408 CRITICAL
Component: openssh

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 i...

๐Ÿ“… 2023-07-20
CVSS 9.8 Dossier →
CVE-2023-35784 CRITICAL
Component: libressl

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 a...

๐Ÿ“… 2023-06-16
CVSS 9.8 Dossier →
CVE-2021-46880 CRITICAL
Component: libressl

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 certif...

๐Ÿ“… 2023-04-15
CVSS 9.8 Dossier →
Component: libressl

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 store...

๐Ÿ“… 2023-04-12
CVSS 5.3 Dossier →
CVE-2023-28531 CRITICAL
Component: openssh

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 ...

๐Ÿ“… 2023-03-17
CVSS 9.8 Dossier →
Component: openbsd

In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash the kernel....

๐Ÿ“… 2023-03-03
CVSS 7.5 Dossier →
Component: openssh

OpenSSH server (sshd) 9.1 introduced a double-free vulnerability during options.kex_algorithms handling. This is fixed in OpenSSH 9.2. The double free...

๐Ÿ“… 2023-02-03
CVSS 6.5 Dossier →
Component: openbsd

slaacd in OpenBSD 6.9 and 7.0 before 2022-03-22 has an integer signedness error and resultant heap-based buffer overflow triggerable by a crafted IPv6...

๐Ÿ“… 2022-03-25
CVSS 7.5 Dossier →
Component: openbsd

engine.c in slaacd in OpenBSD 6.9 and 7.0 before 2022-02-21 has a buffer overflow triggerable by an IPv6 router advertisement with more than seven nam...

๐Ÿ“… 2022-03-25
CVSS 7.5 Dossier →
Component: openssh

An issue was discovered in OpenSSH before 8.9. If a client is using public-key authentication with agent forwarding but without -oLogLevel=verbose, an...

๐Ÿ“… 2022-03-13
CVSS 3.7 Dossier →
Page 2 of 11 (244 Total Records)