Total
204 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2004-2338 | 1 Openbsd | 1 Openbsd | 2025-04-03 | 7.5 HIGH | N/A |
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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.
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| CVE-2004-0114 | 3 Freebsd, Netbsd, Openbsd | 3 Freebsd, Netbsd, Openbsd | 2025-04-03 | 4.6 MEDIUM | N/A |
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The shmat system call in the System V Shared Memory interface for FreeBSD 5.2 and earlier, NetBSD 1.3 and earlier, and OpenBSD 2.6 and earlier, does not properly decrement a shared memory segment's reference count when the vm_map_find function fails, which could allow local users to gain read or write access to a portion of kernel memory and gain privileges.
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| CVE-2000-0996 | 1 Openbsd | 1 Openbsd | 2025-04-03 | 7.2 HIGH | N/A |
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Format string vulnerability in OpenBSD su program (and possibly other BSD-based operating systems) allows local attackers to gain root privileges via a malformed shell.
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| CVE-2000-0997 | 2 Netbsd, Openbsd | 2 Netbsd, Openbsd | 2025-04-03 | 7.2 HIGH | N/A |
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Format string vulnerabilities in eeprom program in OpenBSD, NetBSD, and possibly other operating systems allows local attackers to gain root privileges.
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| CVE-1999-0703 | 3 Bsdi, Freebsd, Openbsd | 3 Bsd Os, Freebsd, Openbsd | 2025-04-03 | 3.6 LOW | N/A |
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OpenBSD, BSDI, and other Unix operating systems allow users to set chflags and fchflags on character and block devices.
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| CVE-2004-0218 | 1 Openbsd | 1 Openbsd | 2025-04-03 | 5.0 MEDIUM | N/A |
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isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service (infinite loop) via an ISAKMP packet with a zero-length payload, as demonstrated by the Striker ISAKMP Protocol Test Suite.
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| CVE-2001-1244 | 7 Freebsd, Hp, Linux and 4 more | 9 Freebsd, Hp-ux, Vvos and 6 more | 2025-04-03 | 5.0 MEDIUM | N/A |
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Multiple TCP implementations could allow remote attackers to cause a denial of service (bandwidth and CPU exhaustion) by setting the maximum segment size (MSS) to a very small number and requesting large amounts of data, which generates more packets with less TCP-level data that amplify network traffic and consume more server CPU to process.
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| CVE-1999-0305 | 3 Bsdi, Freebsd, Openbsd | 3 Bsd Os, Freebsd, Openbsd | 2025-04-03 | 5.0 MEDIUM | N/A |
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The system configuration control (sysctl) facility in BSD based operating systems OpenBSD 2.2 and earlier, and FreeBSD 2.2.5 and earlier, does not properly restrict source routed packets even when the (1) dosourceroute or (2) forwarding variables are set, which allows remote attackers to spoof TCP connections.
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| CVE-2000-0489 | 3 Freebsd, Netbsd, Openbsd | 3 Freebsd, Netbsd, Openbsd | 2025-04-03 | 2.1 LOW | N/A |
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FreeBSD, NetBSD, and OpenBSD allow an attacker to cause a denial of service by creating a large number of socket pairs using the socketpair function, setting a large buffer size via setsockopt, then writing large buffers.
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| CVE-2001-0402 | 3 Darren Reed, Freebsd, Openbsd | 3 Ipfilter, Freebsd, Openbsd | 2025-04-03 | 7.5 HIGH | N/A |
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IPFilter 3.4.16 and earlier does not include sufficient session information in its cache, which allows remote attackers to bypass access restrictions by sending fragmented packets to a restricted port after sending unfragmented packets to an unrestricted port.
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| CVE-2000-0313 | 1 Openbsd | 1 Openbsd | 2025-04-03 | 4.6 MEDIUM | N/A |
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Vulnerability in OpenBSD 2.6 allows a local user to change interface media configurations.
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| CVE-2006-0098 | 1 Openbsd | 1 Openbsd | 2025-04-03 | 4.6 MEDIUM | N/A |
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The dupfdopen function in sys/kern/kern_descrip.c in OpenBSD 3.7 and 3.8 allows local users to re-open arbitrary files by using setuid programs to access file descriptors using /dev/fd/.
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| CVE-2000-0995 | 1 Openbsd | 1 Openbsd | 2025-04-03 | 7.2 HIGH | N/A |
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Format string vulnerability in OpenBSD yp_passwd program (and possibly other BSD-based operating systems) allows attackers to gain root privileges a malformed name.
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| CVE-1999-0001 | 3 Bsdi, Freebsd, Openbsd | 3 Bsd Os, Freebsd, Openbsd | 2025-04-03 | 5.0 MEDIUM | N/A |
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ip_input.c in BSD-derived TCP/IP implementations allows remote attackers to cause a denial of service (crash or hang) via crafted packets.
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| CVE-1999-1225 | 5 Digital, Linux, Netbsd and 2 more | 5 Ultrix, Linux Kernel, Netbsd and 2 more | 2025-04-03 | 5.0 MEDIUM | N/A |
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rpc.mountd on Linux, Ultrix, and possibly other operating systems, allows remote attackers to determine the existence of a file on the server by attempting to mount that file, which generates different error messages depending on whether the file exists or not.
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| CVE-1999-0674 | 3 Netbsd, Openbsd, Sun | 4 Netbsd, Openbsd, Solaris and 1 more | 2025-04-03 | 7.2 HIGH | N/A |
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The BSD profil system call allows a local user to modify the internal data space of a program via profiling and execve.
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| CVE-2004-0079 | 23 4d, Apple, Avaya and 20 more | 66 Webstar, Mac Os X, Mac Os X Server and 63 more | 2025-04-03 | 5.0 MEDIUM | 7.5 HIGH |
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The do_change_cipher_spec function in OpenSSL 0.9.6c to 0.9.6k, and 0.9.7a to 0.9.7c, allows remote attackers to cause a denial of service (crash) via a crafted SSL/TLS handshake that triggers a null dereference.
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| CVE-2003-0688 | 6 Compaq, Freebsd, Openbsd and 3 more | 6 Tru64, Freebsd, Openbsd and 3 more | 2025-04-03 | 5.0 MEDIUM | N/A |
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The DNS map code in Sendmail 8.12.8 and earlier, when using the "enhdnsbl" feature, does not properly initialize certain data structures, which allows remote attackers to cause a denial of service (process crash) via an invalid DNS response that causes Sendmail to free incorrect data.
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| CVE-1999-0061 | 4 Bsdi, Freebsd, Linux and 1 more | 4 Bsd Os, Freebsd, Linux Kernel and 1 more | 2025-04-03 | 5.1 MEDIUM | N/A |
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File creation and deletion, and remote execution, in the BSD line printer daemon (lpd).
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| CVE-2002-2092 | 3 Freebsd, Netbsd, Openbsd | 3 Freebsd, Netbsd, Openbsd | 2025-04-03 | 3.7 LOW | N/A |
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Race condition in exec in OpenBSD 4.0 and earlier, NetBSD 1.5.2 and earlier, and FreeBSD 4.4 and earlier allows local users to gain privileges by attaching a debugger to a process before the kernel has determined that the process is setuid or setgid.
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| CVE-2002-1219 | 3 Freebsd, Isc, Openbsd | 3 Freebsd, Bind, Openbsd | 2025-04-03 | 7.5 HIGH | N/A |
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Buffer overflow in named in BIND 4 versions 4.9.10 and earlier, and 8 versions 8.3.3 and earlier, allows remote attackers to execute arbitrary code via a certain DNS server response containing SIG resource records (RR).
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| CVE-2000-0914 | 1 Openbsd | 1 Openbsd | 2025-04-03 | 5.0 MEDIUM | N/A |
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OpenBSD 2.6 and earlier allows remote attackers to cause a denial of service by flooding the server with ARP requests.
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| CVE-2023-27567 | 1 Openbsd | 1 Openbsd | 2025-03-06 | N/A | 7.5 HIGH |
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In OpenBSD 7.2, a TCP packet with destination port 0 that matches a pf divert-to rule can crash the kernel.
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| CVE-2022-48437 | 1 Openbsd | 2 Libressl, Openbsd | 2025-02-10 | N/A | 5.3 MEDIUM |
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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 errors that occur during leaf certificate verification, and therefore an incorrect error is returned. This behavior occurs when there is an installed verification callback that instructs the verifier to continue upon detecting an invalid certificate.
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| CVE-2021-46880 | 1 Openbsd | 2 Libressl, Openbsd | 2025-02-07 | N/A | 9.8 CRITICAL |
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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.
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| CVE-2023-40216 | 1 Openbsd | 1 Openbsd | 2024-11-21 | N/A | 5.5 MEDIUM |
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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 kernel crash after receiving crafted DCS or CSI terminal escape sequences.
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| CVE-2023-38283 | 2 Openbgpd, Openbsd | 2 Openbgpd, Openbsd | 2024-11-21 | N/A | 5.3 MEDIUM |
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In OpenBGPD before 8.1, incorrect handling of BGP update data (length of path attributes) set by a potentially distant remote actor may cause the system to incorrectly reset a session. This is fixed in OpenBSD 7.3 errata 006.
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| CVE-2023-35784 | 1 Openbsd | 2 Libressl, Openbsd | 2024-11-21 | N/A | 9.8 CRITICAL |
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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. NOTE: OpenSSL is not affected.
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| CVE-2022-27882 | 1 Openbsd | 1 Openbsd | 2024-11-21 | 5.0 MEDIUM | 7.5 HIGH |
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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 router advertisement. NOTE: privilege separation and pledge can prevent exploitation.
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| CVE-2022-27881 | 1 Openbsd | 1 Openbsd | 2024-11-21 | 5.0 MEDIUM | 7.5 HIGH |
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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 nameservers. NOTE: privilege separation and pledge can prevent exploitation.
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| CVE-2020-26142 | 1 Openbsd | 1 Openbsd | 2024-11-21 | 2.6 LOW | 5.3 MEDIUM |
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An issue was discovered in the kernel in OpenBSD 6.6. The WEP, WPA, WPA2, and WPA3 implementations treat fragmented frames as full frames. An adversary can abuse this to inject arbitrary network packets, independent of the network configuration.
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| CVE-2020-16088 | 1 Openbsd | 1 Openbsd | 2024-11-21 | 7.5 HIGH | 9.8 CRITICAL |
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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.
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| CVE-2019-8460 | 1 Openbsd | 1 Openbsd | 2024-11-21 | 5.0 MEDIUM | 7.5 HIGH |
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OpenBSD kernel version <= 6.5 can be forced to create long chains of TCP SACK holes that causes very expensive calls to tcp_sack_option() for every incoming SACK packet which can lead to a denial of service.
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| CVE-2019-6724 | 4 Apple, Barracuda, Linux and 1 more | 4 Mac Os X, Vpn Client, Linux Kernel and 1 more | 2024-11-21 | 7.2 HIGH | 7.8 HIGH |
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The barracudavpn component of the Barracuda VPN Client prior to version 5.0.2.7 for Linux, macOS, and OpenBSD runs as a privileged process and can allow an unprivileged local attacker to load a malicious library, resulting in arbitrary code executing as root.
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| CVE-2019-19726 | 1 Openbsd | 1 Openbsd | 2024-11-21 | 7.2 HIGH | 7.8 HIGH |
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OpenBSD through 6.6 allows local users to escalate to root because a check for LD_LIBRARY_PATH in setuid programs can be defeated by setting a very small RLIMIT_DATA resource limit. When executing chpass or passwd (which are setuid root), _dl_setup_env in ld.so tries to strip LD_LIBRARY_PATH from the environment, but fails when it cannot allocate memory. Thus, the attacker is able to execute their own library code as root.
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| CVE-2019-19522 | 1 Openbsd | 1 Openbsd | 2024-11-21 | 7.2 HIGH | 7.8 HIGH |
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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.
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| CVE-2019-19521 | 1 Openbsd | 1 Openbsd | 2024-11-21 | 7.5 HIGH | 9.8 CRITICAL |
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libc in OpenBSD 6.6 allows authentication bypass via the -schallenge username, as demonstrated by smtpd, ldapd, or radiusd. This is related to gen/auth_subr.c and gen/authenticate.c in libc (and login/login.c and xenocara/app/xenodm/greeter/verify.c).
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| CVE-2019-19520 | 1 Openbsd | 1 Openbsd | 2024-11-21 | 4.6 MEDIUM | 7.8 HIGH |
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xlock in OpenBSD 6.6 allows local users to gain the privileges of the auth group by providing a LIBGL_DRIVERS_PATH environment variable, because xenocara/lib/mesa/src/loader/loader.c mishandles dlopen.
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| CVE-2019-19519 | 1 Openbsd | 1 Openbsd | 2024-11-21 | 4.6 MEDIUM | 7.8 HIGH |
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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.
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| CVE-2019-14899 | 4 Apple, Freebsd, Linux and 1 more | 8 Ipados, Iphone Os, Mac Os X and 5 more | 2024-11-21 | 4.9 MEDIUM | 7.4 HIGH |
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A vulnerability was discovered in Linux, FreeBSD, OpenBSD, MacOS, iOS, and Android that allows a malicious access point, or an adjacent user, to determine if a connected user is using a VPN, make positive inferences about the websites they are visiting, and determine the correct sequence and acknowledgement numbers in use, allowing the bad actor to inject data into the TCP stream. This provides everything that is needed for an attacker to hijack active connections inside the VPN tunnel.
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