1722 matches found
CVE-2019-19521
libc in OpenBSD 6.6 allows authentication bypass via the -schallenge username, as demonstrated by smtpd, ldapd, or radiusd. This is related to gen/authsubr.c and gen/authenticate.c in libc and login/login.c and xenocara/app/xenodm/greeter/verify.c...
CVE-2019-8460
OpenBSD kernel version = 6.5 can be forced to create long chains of TCP SACK holes that causes very expensive calls to tcpsackoption for every incoming SACK packet which can lead to a denial of service...
CVE-2019-19519
In OpenBSD 6.6, local users can use the su -L option to achieve any login class often excluding root because there is a logic error in the main function in su/su.c...
CVE-2019-15901
An issue was discovered in slicer69 doas before 6.2 on certain platforms other than OpenBSD. A setusercontext3 call with flags to change the UID, primary GID, and secondary GIDs was replaced on certain platforms: Linux and possibly NetBSD with a single setuid2 call. This resulted in neither...
CVE-2019-19522
OpenBSD 6.6, in a non-default configuration where S/Key or YubiKey authentication is enabled, allows local users to become root by leveraging membership in the auth group. This occurs because root's file can be written to /etc/skey or /var/db/yubikey, and need not be owned by root...
CVE-2019-15900
An issue was discovered in slicer69 doas before 6.2 on certain platforms other than OpenBSD. On platforms without strtonum3, sscanf was used without checking for error cases. Instead, the uninitialized variable errstr was checked and in some cases returned success even if sscanf failed. The resul...
CVE-2010-4816
It was found in FreeBSD 8.0, 6.3 and 4.9, and OpenBSD 4.6 that a null pointer dereference in ftpd/popen.c may lead to remote denial of service of the ftpd service...
CVE-2001-1559
The uipc system calls uipcsyscalls.c in OpenBSD 2.9 and 3.0 provide user mode return instead of versus rval kernel mode values to the fdrelease function, which allows local users to cause a denial of service and trigger a null dereference...
CVE-2002-2188
OpenBSD before 3.2 allows local users to cause a denial of service kernel crash via a call to getrlimit2 with invalid arguments, possibly due to an integer signedness error...
CVE-2002-2180
The setitimer2 system call in OpenBSD 2.0 through 3.1 does not properly check certain arguments, which allows local users to write to kernel memory and possibly gain root privileges, possibly via an integer signedness error...
CVE-2009-3572
OpenBSD 4.4, 4.5, and 4.6, when running on an i386 kernel, does not properly handle XMM exceptions, which allows local users to cause a denial of service kernel panic via unspecified vectors...
CVE-2004-2338
OpenBSD 3.3 and 3.4 does not properly parse Accept and Deny rules without netmasks on big-endian 64-bit platforms such as SPARC64, which may allow remote attackers to bypass access restrictions...
CVE-2006-5550
The kernel in FreeBSD 6.1 and OpenBSD 4.0 allows local users to cause a denial of service via unspecified vectors involving certain ioctl requests to /dev/crypto...
CVE-1999-0483
OpenBSD crash using nlink value in FFS and EXT2FS filesystems...
[SECURITY] Fedora 42 Update: openiked-7.4-2.fc42
OpenIKED is a free, permissively licensed Internet Key Exchange IKEv2 implementation, developed as part of the OpenBSD project. It is intended to be a lean, secure and inter-operable daemon that allows for easy setup and management of IPsec VPNs...
[SECURITY] Fedora 40 Update: rpki-client-9.5-1.fc40
The OpenBSD rpki-client is a free, easy-to-use implementation of the Resource Public Key Infrastructure RPKI for Relying Parties RP to facilitate validation of the Route Origin of a BGP announcement. The program queries the RPKI repository system, downloads and validates Route Origin Authorisatio...
OpenSSH 10.0
OpenSSH is the premier connectivity tool for remote login with the SSH protocol. It encrypts all traffic to eliminate eavesdropping, connection hijacking, and other attacks. In addition, OpenSSH provides a large suite of secure tunneling capabilities, several authentication methods, and...
OpenBSD OpenSSH 7.4 - 9.9 Unspecified Vulnerability
OpenBSD OpenSSH is prone to an unspecified vulnerability due to a logic error. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...