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Search Results (634 CVEs found)
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2006-5679 | 1 Freebsd | 1 Freebsd | 2026-04-23 | N/A |
| Integer overflow in the ffs_mountfs function in FreeBSD 6.1 allows local users to cause a denial of service (panic) and possibly execute arbitrary code via a crafted UFS filesystem that causes invalid or large size parameters to be provided to the kmem_alloc function. NOTE: a third party states that this issue does not cross privilege boundaries in FreeBSD because only root may mount a filesystem. | ||||
| CVE-2026-4747 | 1 Freebsd | 1 Freebsd | 2026-04-20 | 8.8 High |
| Each RPCSEC_GSS data packet is validated by a routine which checks a signature in the packet. This routine copies a portion of the packet into a stack buffer, but fails to ensure that the buffer is sufficiently large, and a malicious client can trigger a stack overflow. Notably, this does not require the client to authenticate itself first. As kgssapi.ko's RPCSEC_GSS implementation is vulnerable, remote code execution in the kernel is possible by an authenticated user that is able to send packets to the kernel's NFS server while kgssapi.ko is loaded into the kernel. In userspace, applications which have librpcgss_sec loaded and run an RPC server are vulnerable to remote code execution from any client able to send it packets. We are not aware of any such applications in the FreeBSD base system. | ||||
| CVE-2026-3038 | 1 Freebsd | 1 Freebsd | 2026-04-16 | 7.5 High |
| The rtsock_msg_buffer() function serializes routing information into a buffer. As a part of this, it copies sockaddr structures into a sockaddr_storage structure on the stack. It assumes that the source sockaddr length field had already been validated, but this is not necessarily the case, and it's possible for a malicious userspace program to craft a request which triggers a 127-byte overflow. In practice, this overflow immediately overwrites the canary for the rtsock_msg_buffer() stack frame, resulting in a panic once the function returns. The bug allows an unprivileged user to crash the kernel by triggering a stack buffer overflow in rtsock_msg_buffer(). In particular, the overflow will corrupt a stack canary value that is verified when the function returns; this mitigates the impact of the stack overflow by triggering a kernel panic. Other kernel bugs may exist which allow userspace to find the canary value and thus defeat the mitigation, at which point local privilege escalation may be possible. | ||||
| CVE-2026-2261 | 1 Freebsd | 1 Freebsd | 2026-04-16 | 7.5 High |
| Due to a programming error, blocklistd leaks a socket descriptor for each adverse event report it receives. Once a certain number of leaked sockets is reached, blocklistd becomes unable to run the helper script: a child process is forked, but this child dereferences a null pointer and crashes before it is able to exec the helper. At this point, blocklistd still records adverse events but is unable to block new addresses or unblock addresses whose database entries have expired. Once a second, much higher number of leaked sockets is reached, blocklistd becomes unable to receive new adverse event reports. An attacker may take advantage of this by triggering a large number of adverse events from sacrificial IP addresses to effectively disable blocklistd before launching an attack. Even in the absence of attacks or probes by would-be attackers, adverse events will occur regularly in the course of normal operations, and blocklistd will gradually run out file descriptors and become ineffective. The accumulation of open sockets may have knock-on effects on other parts of the system, resulting in a general slowdown until blocklistd is restarted. | ||||
| CVE-1999-0078 | 10 Bsdi, Freebsd, Hp and 7 more | 11 Bsd Os, Freebsd, Hp-ux and 8 more | 2026-04-16 | N/A |
| pcnfsd (aka rpc.pcnfsd) allows local users to change file permissions, or execute arbitrary commands through arguments in the RPC call. | ||||
| CVE-1999-0513 | 7 Digital, Freebsd, Hp and 4 more | 8 Unix, Freebsd, Hp-ux and 5 more | 2026-04-16 | N/A |
| ICMP messages to broadcast addresses are allowed, allowing for a Smurf attack that can cause a denial of service. | ||||
| CVE-2004-0435 | 1 Freebsd | 1 Freebsd | 2026-04-16 | N/A |
| Certain "programming errors" in the msync system call for FreeBSD 5.2.1 and earlier, and 4.10 and earlier, do not properly handle the MS_INVALIDATE operation, which leads to cache consistency problems that allow a local user to prevent certain changes to files from being committed to disk. | ||||
| CVE-2006-4172 | 1 Freebsd | 1 Freebsd | 2026-04-16 | N/A |
| Integer overflow vulnerability in the i386_set_ldt call in FreeBSD 5.5, and possibly earlier versions down to 5.2, allows local users to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2006-4178. | ||||
| CVE-2002-1125 | 1 Freebsd | 1 Freebsd | 2026-04-16 | N/A |
| FreeBSD port programs that use libkvm for FreeBSD 4.6.2-RELEASE and earlier, including (1) asmon, (2) ascpu, (3) bubblemon, (4) wmmon, and (5) wmnet2, leave open file descriptors for /dev/mem and /dev/kmem, which allows local users to read kernel memory. | ||||
| CVE-1999-0798 | 5 Bsdi, Freebsd, Openbsd and 2 more | 7 Bsd Os, Freebsd, Openbsd and 4 more | 2026-04-16 | N/A |
| Buffer overflow in bootpd on OpenBSD, FreeBSD, and Linux systems via a malformed header type. | ||||
| CVE-1999-0299 | 1 Freebsd | 1 Freebsd | 2026-04-16 | N/A |
| Buffer overflow in FreeBSD lpd through long DNS hostnames. | ||||
| CVE-2002-1915 | 3 Freebsd, Netbsd, Openbsd | 3 Freebsd, Netbsd, Openbsd | 2026-04-16 | 5.5 Medium |
| tip on multiple BSD-based operating systems allows local users to cause a denial of service (execution prevention) by using flock() to lock the /var/log/acculog file. | ||||
| CVE-2002-0518 | 1 Freebsd | 1 Freebsd | 2026-04-16 | N/A |
| The SYN cache (syncache) and SYN cookie (syncookie) mechanism in FreeBSD 4.5 and earlier allows remote attackers to cause a denial of service (crash) (1) via a SYN packet that is accepted using syncookies that causes a null pointer to be referenced for the socket's TCP options, or (2) by killing and restarting a process that listens on the same socket, which does not properly clear the old inpcb pointer on restart. | ||||
| CVE-2004-0125 | 1 Freebsd | 1 Freebsd | 2026-04-16 | N/A |
| The jail system call in FreeBSD 4.x before 4.10-RELEASE does not verify that an attempt to manipulate routing tables originated from a non-jailed process, which could allow local users to modify the routing table. | ||||
| CVE-2001-0796 | 2 Freebsd, Sgi | 2 Freebsd, Irix | 2026-04-16 | N/A |
| SGI IRIX 6.5 through 6.5.12f and possibly earlier versions, and FreeBSD 3.0, allows remote attackers to cause a denial of service via a malformed IGMP multicast packet with a small response delay. | ||||
| CVE-1999-0323 | 4 Bsdi, Freebsd, Netbsd and 1 more | 4 Bsd Os, Freebsd, Netbsd and 1 more | 2026-04-16 | N/A |
| FreeBSD mmap function allows users to modify append-only or immutable files. | ||||
| CVE-1999-0046 | 10 Bsdi, Debian, Digital and 7 more | 10 Bsd Os, Debian Linux, Ultrix and 7 more | 2026-04-16 | N/A |
| Buffer overflow of rlogin program using TERM environmental variable. | ||||
| CVE-1999-0096 | 3 Bsdi, Freebsd, Sco | 4 Bsd Os, Freebsd, Internet Faststart and 1 more | 2026-04-16 | N/A |
| Sendmail decode alias can be used to overwrite sensitive files. | ||||
| CVE-2005-2019 | 1 Freebsd | 1 Freebsd | 2026-04-16 | N/A |
| ipfw in FreeBSD 5.4, when running on Symmetric Multi-Processor (SMP) or Uni Processor (UP) systems with the PREEMPTION kernel option enabled, does not sufficiently lock certain resources while performing table lookups, which can cause the cache results to be corrupted during multiple concurrent lookups, allowing remote attackers to bypass intended access restrictions. | ||||
| CVE-2000-1011 | 1 Freebsd | 1 Freebsd | 2026-04-16 | N/A |
| Buffer overflow in catopen() function in FreeBSD 5.0 and earlier, and possibly other OSes, allows local users to gain root privileges via a long environmental variable. | ||||