USN-2730-1: OpenSLP vulnerabilities

Georgi Geshev discovered that OpenSLP incorrectly handled processing certain service requests. A remote attacker could possibly use this issue to cause OpenSLP to crash, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. CVE-2012-4428 Qinghao Tang...

USN-2702-3: Firefox regression

USN-2702-1 fixed vulnerabilities in Firefox. After upgrading, some users in the US reported that their default search engine switched to Yahoo. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Gary Kwong, Christian Holler, Byron Campen, Tyson Smith,...

USN-2656-2: Firefox vulnerabilities

USN-2656-1 fixed vulnerabilities in Firefox for Ubuntu 14.04 LTS and later releases. This update provides the corresponding update for Ubuntu 12.04 LTS. Original advisory details: Karthikeyan Bhargavan discovered that NSS incorrectly handled state transitions for the TLS state machine. If a remot...

USN-2597-1: Linux kernel (Trusty HWE) vulnerability

A race condition between chown and execve was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges...

USN-2587-1: Linux kernel (Trusty HWE) vulnerabilities

A stack overflow was discovered in the the microcode loader for the intel x86 platform. A local attacker could exploit this flaw to cause a denial of service kernel crash or to potentially execute code with kernel privileges. CVE-2015-2666 It was discovered that the Linux kernel's IPv6 networking...

USN-2567-1: NTP vulnerabilities

Miroslav Lichvar discovered that NTP incorrectly validated MAC fields. A remote attacker could possibly use this issue to bypass authentication and spoof packets. CVE-2015-1798 Miroslav Lichvar discovered that NTP incorrectly handled certain invalid packets. A remote attacker could possibly use...

USN-2485-1: GNU C Library vulnerability

It was discovered that a buffer overflow existed in the gethostbyname and gethostbyname2 functions in the GNU C Library. An attacker could use this issue to execute arbitrary code or cause an application crash, resulting in a denial of service...

USN-2462-1: Linux kernel vulnerabilities

Andy Lutomirski discovered that the Linux kernel does not properly handle faults associated with the Stack Segment SS register in the x86 architecture. A local attacker could exploit this flaw to gain administrative privileges. CVE-2014-9322 Lars Bull reported a race condition in the PIT...

USN-2447-1: Linux kernel (Utopic HWE) vulnerabilities

Andy Lutomirski discovered that the Linux kernel does not properly handle faults associated with the Stack Segment SS register in the x86 architecture. A local attacker could exploit this flaw to gain administrative privileges. CVE-2014-9322 An information leak in the Linux kernel was discovered...

USN-2379-1: Linux kernel vulnerabilities

Steven Vittitoe reported multiple stack buffer overflows in Linux kernel's magicmouse HID driver. A physically proximate attacker could exploit this flaw to cause a denial of service system crash or possibly execute arbitrary code via specially crafted devices. CVE-2014-3181 Ben Hawkes reported...

USN-2284-1: Linux kernel (OMAP4) vulnerabilities

Sasha Levin reported a flaw in the Linux kernel's point-to-point protocol PPP when used with the Layer Two Tunneling Protocol L2TP. A local user could exploit this flaw to gain administrative privileges. CVE-2014-4943 Andy Lutomirski discovered a flaw with the Linux kernel's ptrace syscall on x86...

USN-2247-1: OpenStack Nova vulnerabilities

Darragh O'Reilly discovered that the Ubuntu packaging for OpenStack Nova did not properly set up its sudo configuration. If a different flaw was found in OpenStack Nova, this vulnerability could be used to escalate privileges. This issue only affected Ubuntu 13.10 and Ubuntu 14.04 LTS...

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-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-788-1: Tomcat vulnerabilities

Iida Minehiko discovered that Tomcat did not properly normalise paths. A remote attacker could send specially crafted requests to the server and bypass security restrictions, gaining access to sensitive content. CVE-2008-5515 Yoshihito Fukuyama discovered that Tomcat did not properly handle error...

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-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-627-1: Dnsmasq vulnerability

Dan Kaminsky discovered weaknesses in the DNS protocol as implemented by Dnsmasq. A remote attacker could exploit this to spoof DNS entries and poison DNS caches. Among other things, this could lead to misdirected email and web traffic...

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-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...