11213 matches found
USN-2138-1: Linux kernel vulnerabilities
Mathy Vanhoef discovered an error in the the way the ath9k driver was handling the BSSID masking. A remote attacker could exploit this error to discover the original MAC address after a spoofing atack. CVE-2013-4579 Andrew Honig reported a flaw in the Linux Kernel's kvmvmioctlcreatevcpu function ...
USN-2126-1: PHP vulnerabilities
Bernd Melchers discovered that PHP's embedded libmagic library incorrectly handled indirect offset values. An attacker could use this issue to cause PHP to consume resources or crash, resulting in a denial of service. CVE-2014-1943 It was discovered that PHP incorrectly handled certain values whe...
USN-2116-1: Linux kernel (OMAP4) vulnerabilities
Vasily Kulikov reported a flaw in the Linux kernel's implementation of ptrace. An unprivileged local user could exploit this flaw to obtain sensitive information from kernel memory. CVE-2013-2929 A flaw in the handling of memory regions of the kernel virtual machine KVM subsystem was discovered. ...
USN-2110-1: Linux kernel (OMAP4) vulnerabilities
Vasily Kulikov reported a flaw in the Linux kernel's implementation of ptrace. An unprivileged local user could exploit this flaw to obtain sensitive information from kernel memory. CVE-2013-2929 Stephan Mueller reported an error in the Linux kernel's ansi cprng random number generator. This flaw...
USN-1935-1: Linux kernel vulnerabilities
Chanam Park reported a Null pointer flaw in the Linux kernel's Ceph client. A remote attacker could exploit this flaw to cause a denial of service system crash. CVE-2013-1059 An information leak was discovered in the Linux kernel's fanotify interface. A local user could exploit this flaw to obtai...
USN-1931-1: Linux kernel (Quantal HWE) vulnerabilities
Chanam Park reported a Null pointer flaw in the Linux kernel's Ceph client. A remote attacker could exploit this flaw to cause a denial of service system crash. CVE-2013-1059 An information leak was discovered in the Linux kernel's fanotify interface. A local user could exploit this flaw to obtai...
USN-1733-1: Ruby vulnerabilities
Jean-Philippe Aumasson discovered that Ruby incorrectly generated predictable hash values. An attacker could use this issue to generate hash collisions and cause a denial of service. CVE-2012-5371 Evgeny Ermakov discovered that documentation generated by rdoc is vulnerable to a cross-site scripti...
USN-1611-1: Thunderbird vulnerabilities
Henrik Skupin, Jesse Ruderman, Christian Holler, Soroush Dalili and others discovered several memory corruption flaws in Thunderbird. If a user were tricked into opening a malicious website and had JavaScript enabled, an attacker could exploit these to execute arbitrary JavaScript code within the...
USN-1432-1: Linux kernel vulnerabilities
A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. CVE-2011-4086 A flaw was discovered in the Linux kernel's cifs file system. An unprivileged local user could exploit this flaw to...
USN-1304-1: Linux kernel (OMAP4) vulnerabilities
A bug was discovered in the XFS filesystem's handling of pathnames. A local attacker could exploit this to crash the system, leading to a denial of service, or gain root privileges. CVE-2011-4077 Nick Bowler discovered the kernel GHASH message digest algorithm incorrectly handled error conditions...
USN-1302-1: Linux kernel (OMAP4) vulnerabilities
A bug was discovered in the XFS filesystem's handling of pathnames. A local attacker could exploit this to crash the system, leading to a denial of service, or gain root privileges. CVE-2011-4077 Nick Bowler discovered the kernel GHASH message digest algorithm incorrectly handled error conditions...
USN-1279-1: Linux (Natty backport) vulnerabilities
Andrea Righi discovered a race condition in the KSM memory merging support. If KSM was being used, a local attacker could exploit this to crash the system, leading to a denial of service. CVE-2011-2183 Vasily Averin discovered that the NFS Lock Manager NLM incorrectly handled unlock requests. A...
USN-1213-1: Thunderbird vulnerabilities
Benjamin Smedberg, Bob Clary, Jesse Ruderman, and Josh Aas discovered multiple memory vulnerabilities in the Gecko rendering engine. An attacker could use these to possibly execute arbitrary code with the privileges of the user invoking Thunderbird. CVE-2011-2995, CVE-2011-2996 Boris Zbarsky...
USN-1168-1: Linux kernel vulnerabilities
Timo Warns discovered that the LDM disk partition handling code did not correctly handle certain values. By inserting a specially crafted disk device, a local attacker could exploit this to gain root privileges. CVE-2011-1017 Neil Horman discovered that NFSv4 did not correctly handle certain orde...
USN-1083-1: Linux kernel vulnerabilities
Dan Rosenberg discovered that the RDS network protocol did not correctly check certain parameters. A local attacker could exploit this gain root privileges. CVE-2010-3904 Nelson Elhage discovered several problems with the Acorn Econet protocol driver. A local user could cause a denial of service...
USN-827-1: Dnsmasq vulnerabilities
IvAin Arce, Pablo HernAin Jorge, Alejandro Pablo Rodriguez, MartAn Coco, Alberto SoliAto Testa and Pablo Annetta discovered that Dnsmasq did not properly validate its input when processing TFTP requests for files with long names. A remote attacker could cause a denial of service or execute...
USN-802-2: Apache regression
USN-802-1 fixed vulnerabilities in Apache. The upstream fix for CVE-2009-1891 introduced a regression that would cause Apache children to occasionally segfault when moddeflate is used. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered...
USN-815-1: libxml2 vulnerabilities
It was discovered that libxml2 did not correctly handle root XML document element DTD definitions. If a user were tricked into processing a specially crafted XML document, a remote attacker could cause the application linked against libxml2 to crash, leading to a denial of service. CVE-2009-2414 ...
USN-786-1: apr-util vulnerabilities
Matthew Palmer discovered an underflow flaw in apr-util. An attacker could cause a denial of service via application crash in Apache using a crafted SVNMasterURI directive, .htaccess file, or when using modapreq2. Applications using libapreq2 are also affected. CVE-2009-0023 It was discovered tha...
USN-741-1: Thunderbird vulnerabilities
Several flaws were discovered in the browser engine. If Javascript were enabled, an attacker could exploit these flaws to crash Thunderbird and possibly execute arbitrary code with user privileges. CVE-2009-0352 Jesse Ruderman and Gary Kwong discovered flaws in the browser engine. If a user had...
USN-671-1: MySQL vulnerabilities
It was discovered that MySQL could be made to overwrite existing table files in the data directory. An authenticated user could use the DATA DIRECTORY and INDEX DIRECTORY options to possibly bypass privilege checks. This update alters table creation behaviour by disallowing the use of the MySQL...
USN-576-1: Firefox vulnerabilities
Various flaws were discovered in the browser and JavaScript engine. By tricking a user into opening a malicious web page, an attacker could execute arbitrary code with the user's privileges. CVE-2008-0412, CVE-2008-0413 Flaws were discovered in the file upload form control. A malicious website...
USN-536-1: Thunderbird vulnerabilities
Various flaws were discovered in the layout and JavaScript engines. By tricking a user into opening a malicious web page, an attacker could execute arbitrary code with the user's privileges. CVE-2007-5339, CVE-2007-5340 Flaws were discovered in the file upload form control. By tricking a user int...
USN-416-1: Linux kernel vulnerabilities
Mark Dowd discovered that the netfilter iptables module did not correcly handle fragmented IPv6 packets. By sending specially crafted packets, a remote attacker could exploit this to bypass firewall rules. This has has already been fixed for Ubuntu 6.10 in USN-395-1; this is the corresponding fix...
USN-334-1: krb5 vulnerabilities
Michael Calmer and Marcus Meissner discovered that several krb5 tools did not check the return values from setuid system calls. On systems that have configured user process limits, it may be possible for an attacker to cause setuid to fail via resource starvation. In that situation, the tools wil...
USN-328-1: Apache vulnerability
Mark Dowd discovered an off-by-one buffer overflow in the modrewrite module's ldap scheme handling. On systems which activate "RewriteEngine on", a remote attacker could exploit certain rewrite rules to crash Apache, or potentially even execute arbitrary code this has not been verified...
USN-99-2: Fixed php4 packages for USN-99-1
USN-99-1 fixed a safe mode bypass which allowed malicious PHP scripts to circumvent path restrictions by creating a specially crafted directory whose length exceeded the capacity of the realpath function CAN-2004-1064. However, this caused severe regressions, some applications like SquirrelMail a...
USN-27-1: libxpm4 vulnerability
Chris Evans discovered several stack overflows in the versions of libXpm shipped by X.Org, XFree86, and LessTif. These overflows were fixed in the Warty development tree before its release. Mathieu Herrb of OpenBSD subsequently discovered that the original patch was insufficient to address these...
USN-2-1: xpdf vulnerabilities
Chris Evans discovered several integer overflow vulnerabilities in xpdf, a viewer for PDF files. The Common UNIX Printing System CUPS also uses the same code to print PDF files. In either case, these vulnerabilities could be exploited by an attacker by providing a specially crafted PDF file which...
USN-7432-1: libsoup vulnerabilities
It was discovered that libsoup could be made to read out of bounds. An attacker could possibly use this issue to cause applications using libsoup to crash, resulting in a denial of service. CVE-2025-2784, CVE-2025-32050, CVE-2025-32052, CVE-2025-32053 It was discovered that libsoup could be made ...
USN-7414-1: XZ Utils vulnerability
Harri K. Koskinen discovered that XZ Utils incorrectly handled the threaded xz decoder. If a user or automated system were tricked into processing an xz file, a remote attacker could use this issue to cause XZ Utils to crash, resulting in a denial of service, or possibly execute arbitrary code...
USN-7261-2: Vim vulnerability
USN-7261-1 fixed vulnerabilities in Vim. This update provides the corresponding updates for Ubuntu 24.04 LTS. Original advisory details: It was discovered that Vim incorrectly handled certain internal calls when scrolling a window. An attacker could possibly use this issue to cause a denial of...
USN-7395-1: WebKitGTK vulnerabilities
Several security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and...
USN-7207-2: Git vulnerabilities
USN-7207-1 fixed vulnerabilities in Git. This update provides the corresponding updates for Ubuntu 20.04 LTS. Original advisory details: It was discovered that Git incorrectly handled certain URLs when asking for credentials. An attacker could possibly use this issue to mislead the user into typi...
USN-7287-1: libcap2 vulnerability
Tianjia Zhang discovered the libcap2 PAM module pamcap incorrectly handled parsing group names in the configuration file. This could result in certain users being granted capabilities, contrary to expectations...
USN-7279-1: WebKitGTK vulnerabilities
Several security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and...
USN-6757-1: PHP vulnerabilities
It was discovered that PHP incorrectly handled PHPCLISERVERWORKERS variable. An attacker could possibly use this issue to cause a crash or execute arbitrary code. This issue only affected Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. CVE-2022-4900 It was discovered that PHP incorrectly handled certain...
USN-6680-2: Linux kernel vulnerabilities
黄思聪 discovered that the NFC Controller Interface NCI implementation in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service system crash...
USN-6609-1: Linux kernel vulnerabilities
Lin Ma discovered that the netfilter subsystem in the Linux kernel did not properly validate network family support while creating a new netfilter table. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2023-6040 It was discovered that the CIFS...
USN-6500-1: Squid vulnerabilities
Joshua Rogers discovered that Squid incorrectly handled validating certain SSL certificates. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 23.04, and Ubuntu 23.10. CVE-2023-46724 Joshua...
USN-6485-1: Intel Microcode vulnerability
Benoit Morgan, Paul Grosen, Thais Moreira Hamasaki, Ke Sun, Alyssa Milburn, Hisham Shafi, Nir Shlomovich, Tavis Ormandy, Daniel Moghimi, Josh Eads, Salman Qazi, Alexandra Sandulescu, Andy Nguyen, Eduardo Vela, Doug Kwan, and Kostik Shtoyk discovered that some IntelR Processors did not properly...
USN-6454-1: Linux kernel vulnerabilities
Kyle Zeng discovered that the netfilter subsystem in the Linux kernel contained a race condition in IP set operations in certain situations. A local attacker could use this to cause a denial of service system crash. CVE-2023-42756 Alex Birnberg discovered that the netfilter subsystem in the Linux...
USN-6445-1: Linux kernel (Intel IoTG) vulnerabilities
It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service excessive CPU consumption. CVE-2023-1206 Daniel Trujillo, Johannes Wikner, and Kaveh Razavi...
USN-6367-1: Firefox vulnerability
It was discovered that Firefox did not properly manage memory when handling WebP images. If a user were tricked into opening a webpage containing malicious WebP image file, an attacker could potentially exploit these to cause a denial of service or execute arbitrary code. CVE-2023-4863...
USN-6343-1: Linux kernel (OEM) vulnerabilities
It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service excessive CPU consumption. CVE-2023-1206 Ross Lagerwall discovered that the Xen netback backend...
USN-4336-3: GNU binutils vulnerabilities
USN-4336-1 fixed several vulnerabilities in GNU. This update provides the corresponding update for Ubuntu 14.04 LTS. Original advisory details: It was discovered that GNU binutils contained a large number of security issues. If a user or automated system were tricked into processing a...
USN-6028-2: libxml2 vulnerabilities
USN-6028-1 fixed vulnerabilities in libxml2. This update provides the corresponding updates for Ubuntu 23.04. Original advisory details: It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash. CVE-2022-2309 It was discovere...
USN-6111-1: Flask vulnerability
It was discovered that Flask incorrectly handled certain data responses. An attacker could possibly use this issue to expose sensitive information...
USN-6060-2: MySQL vulnerabilities
USN-6060-1 fixed several vulnerabilities in MySQL. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to...
USN-6015-1: Thunderbird vulnerabilities
Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, bypass security restrictions, cross-site tracing,...