Search Results (6837 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2009-2703 2 Pidgin, Redhat 3 Libpurple, Pidgin, Enterprise Linux 2026-04-23 N/A
libpurple/protocols/irc/msgs.c in the IRC protocol plugin in libpurple in Pidgin before 2.6.2 allows remote IRC servers to cause a denial of service (NULL pointer dereference and application crash) via a TOPIC message that lacks a topic string.
CVE-2009-4308 2 Linux, Redhat 2 Linux Kernel, Enterprise Linux 2026-04-23 N/A
The ext4_decode_error function in fs/ext4/super.c in the ext4 filesystem in the Linux kernel before 2.6.32 allows user-assisted remote attackers to cause a denial of service (NULL pointer dereference), and possibly have unspecified other impact, via a crafted read-only filesystem that lacks a journal.
CVE-2007-3473 2 Libgd, Redhat 2 Gd Graphics Library, Enterprise Linux 2026-04-23 N/A
The gdImageCreateXbm function in the GD Graphics Library (libgd) before 2.0.35 allows user-assisted remote attackers to cause a denial of service (crash) via unspecified vectors involving a gdImageCreate failure.
CVE-2008-3597 1 Skulltag 1 Skulltag 2026-04-23 7.5 High
Skulltag before 0.97d2-RC6 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by sending a "command 29" packet when the player is not in the game.
CVE-2009-0845 2 Mit, Redhat 3 Kerberos, Kerberos 5, Enterprise Linux 2026-04-23 N/A
The spnego_gss_accept_sec_context function in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3, when SPNEGO is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via invalid ContextFlags data in the reqFlags field in a negTokenInit token.
CVE-2009-3547 8 Canonical, Fedoraproject, Linux and 5 more 17 Ubuntu Linux, Fedora, Linux Kernel and 14 more 2026-04-23 7.0 High
Multiple race conditions in fs/pipe.c in the Linux kernel before 2.6.32-rc6 allow local users to cause a denial of service (NULL pointer dereference and system crash) or gain privileges by attempting to open an anonymous pipe via a /proc/*/fd/ pathname.
CVE-2007-1327 1 Silc 1 Silc-server 2026-04-23 N/A
The SILC_SERVER_CMD_FUNC function in apps/silcd/command.c in silc-server 1.0.2 allows remote attackers to cause a denial of service (NULL dereference and daemon crash) via a request without a cipher algorithm and an invalid HMAC algorithm.
CVE-2008-5006 1 University Of Washington 1 Imap Toolkit 2026-04-23 N/A
smtp.c in the c-client library in University of Washington IMAP Toolkit 2007b allows remote SMTP servers to cause a denial of service (NULL pointer dereference and application crash) by responding to the QUIT command with a close of the TCP connection instead of the expected 221 response code.
CVE-2008-2812 8 Avaya, Canonical, Debian and 5 more 16 Communication Manager, Expanded Meet-me Conferencing, Intuity Audix Lx and 13 more 2026-04-23 7.8 High
The Linux kernel before 2.6.25.10 does not properly perform tty operations, which allows local users to cause a denial of service (system crash) or possibly gain privileges via vectors involving NULL pointer dereference of function pointers in (1) hamradio/6pack.c, (2) hamradio/mkiss.c, (3) irda/irtty-sir.c, (4) ppp_async.c, (5) ppp_synctty.c, (6) slip.c, (7) wan/x25_asy.c, and (8) wireless/strip.c in drivers/net/.
CVE-2009-2698 6 Canonical, Fedoraproject, Linux and 3 more 14 Ubuntu Linux, Fedora, Linux Kernel and 11 more 2026-04-23 7.8 High
The udp_sendmsg function in the UDP implementation in (1) net/ipv4/udp.c and (2) net/ipv6/udp.c in the Linux kernel before 2.6.19 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving the MSG_MORE flag and a UDP socket.
CVE-2008-1949 2 Gnu, Redhat 2 Gnutls, Enterprise Linux 2026-04-23 N/A
The _gnutls_recv_client_kx_message function in lib/gnutls_kx.c in libgnutls in gnutls-serv in GnuTLS before 2.2.4 continues to process Client Hello messages within a TLS message after one has already been processed, which allows remote attackers to cause a denial of service (NULL dereference and crash) via a TLS message containing multiple Client Hello messages, aka GNUTLS-SA-2008-1-2.
CVE-2007-4565 2 Fetchmail, Redhat 2 Fetchmail, Enterprise Linux 2026-04-23 N/A
sink.c in fetchmail before 6.3.9 allows context-dependent attackers to cause a denial of service (NULL dereference and application crash) by refusing certain warning messages that are sent over SMTP.
CVE-2009-3083 2 Pidgin, Redhat 3 Libpurple, Pidgin, Enterprise Linux 2026-04-23 N/A
The msn_slp_sip_recv function in libpurple/protocols/msn/slp.c in the MSN protocol plugin in libpurple in Pidgin before 2.6.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an SLP invite message that lacks certain required fields, as demonstrated by a malformed message from a KMess client.
CVE-2009-3094 4 Apache, Debian, Fedoraproject and 1 more 6 Http Server, Debian Linux, Fedora and 3 more 2026-04-23 N/A
The ap_proxy_ftp_handler function in modules/proxy/proxy_ftp.c in the mod_proxy_ftp module in the Apache HTTP Server 2.0.63 and 2.2.13 allows remote FTP servers to cause a denial of service (NULL pointer dereference and child process crash) via a malformed reply to an EPSV command.
CVE-2008-1672 2 Canonical, Openssl 2 Ubuntu Linux, Openssl 2026-04-23 N/A
OpenSSL 0.9.8f and 0.9.8g allows remote attackers to cause a denial of service (crash) via a TLS handshake that omits the Server Key Exchange message and uses "particular cipher suites," which triggers a NULL pointer dereference.
CVE-2009-3978 1 Mozilla 1 Firefox 2026-04-23 N/A
The nsGIFDecoder2::GifWrite function in decoders/gif/nsGIFDecoder2.cpp in libpr0n in Mozilla Firefox before 3.5.5 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an animated GIF file with a large image size, a different vulnerability than CVE-2009-3373.
CVE-2009-2692 4 Debian, Linux, Redhat and 1 more 11 Debian Linux, Linux Kernel, Enterprise Linux and 8 more 2026-04-23 7.8 High
The Linux kernel 2.6.0 through 2.6.30.4, and 2.4.4 through 2.4.37.4, does not initialize all function pointers for socket operations in proto_ops structures, which allows local users to trigger a NULL pointer dereference and gain privileges by using mmap to map page zero, placing arbitrary code on this page, and then invoking an unavailable operation, as demonstrated by the sendpage operation (sock_sendpage function) on a PF_PPPOX socket.
CVE-2009-3620 6 Canonical, Fedoraproject, Linux and 3 more 11 Ubuntu Linux, Fedora, Linux Kernel and 8 more 2026-04-23 7.8 High
The ATI Rage 128 (aka r128) driver in the Linux kernel before 2.6.31-git11 does not properly verify Concurrent Command Engine (CCE) state initialization, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly gain privileges via unspecified ioctl calls.
CVE-2009-3623 1 Linux 1 Linux Kernel 2026-04-23 N/A
The lookup_cb_cred function in fs/nfsd/nfs4callback.c in the nfsd4 subsystem in the Linux kernel before 2.6.31.2 attempts to access a credentials cache even when a client specifies the AUTH_NULL authentication flavor, which allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via an NFSv4 mount request.
CVE-2009-0949 6 Apple, Canonical, Debian and 3 more 8 Cups, Mac Os X, Mac Os X Server and 5 more 2026-04-23 7.5 High
The ippReadIO function in cups/ipp.c in cupsd in CUPS before 1.3.10 does not properly initialize memory for IPP request packets, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a scheduler request with two consecutive IPP_TAG_UNSUPPORTED tags.