USN-1400-1: Firefox vulnerabilities

Soroush Dalili discovered that Firefox did not adequately protect against dropping JavaScript links onto a frame. A remote attacker could, through cross-site scripting XSS, exploit this to modify the contents or steal confidential data. CVE-2012-0455 Atte Kettunen discovered a use-after-free...

USN-1387-1: Linux kernel (Maverick backport) vulnerabilities

Aristide Fattori and Roberto Paleari reported a flaw in the Linux kernel's handling of IPv4 icmp packets. A remote user could exploit this to cause a denial of service. CVE-2011-1927 A flaw was found in the Linux Ethernet bridge's handling of IGMP Internet Group Management Protocol packets. An...

USN-1362-1: Linux kernel vulnerabilities

Han-Wen Nienhuys reported a flaw in the FUSE kernel module. A local user who can mount a FUSE file system could cause a denial of service. CVE-2011-3353 A flaw was found in KVM's Programmable Interval Timer PIT. When a virtual interrupt control is not available a local user could use this to caus...

USN-1333-1: Libav vulnerabilities

Steve Manzuik discovered that Libav incorrectly handled certain malformed Matroska files. If a user were tricked into opening a crafted Matroska file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the...

USN-1320-1: FFmpeg vulnerabilities

Steve Manzuik discovered that FFmpeg incorrectly handled certain malformed Matroska files. If a user were tricked into opening a crafted Matroska file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking th...

USN-1277-2: Mozvoikko and ubufox update

USN-1277-1 fixed vulnerabilities in Firefox. This update provides updated Mozvoikko and ubufox packages for use with Firefox 8. Original advisory details: Yosuke Hasegawa discovered that the Mozilla browser engine mishandled invalid sequences in the Shift-JIS encoding. It may be possible to trigg...

USN-1218-1: Linux kernel vulnerabilities

Dan Rosenberg discovered that multiple terminal ioctls did not correctly initialize structure memory. A local attacker could exploit this to read portions of kernel stack memory, leading to a loss of privacy. CVE-2010-4076, CVE-2010-4077 Alex Shi and Eric Dumazet discovered that the network stack...

USN-1102-1: tiff vulnerability

Martin Barbella discovered that the thunder aka ThunderScan decoder in the TIFF library incorrectly handled an unexpected BitsPerSample value. If a user or automated system were tricked into opening a specially crafted TIFF image, a remote attacker could execute arbitrary code with user privilege...

USN-1018-1: OpenSSL vulnerability

Rob Hulswit discovered a race condition in the OpenSSL TLS server extension parsing code when used within a threaded server. A remote attacker could trigger this flaw to cause a denial of service or possibly execute arbitrary code with application privileges. CVE-2010-3864...

USN-1013-1: FreeType vulnerabilities

Marc Schoenefeld discovered that FreeType did not correctly handle certain malformed font files. If a user were tricked into using a specially crafted font file, a remote attacker could cause FreeType to crash or possibly execute arbitrary code with user privileges. This issue only affected Ubunt...

USN-1012-1: CUPS vulnerability

Emmanuel Bouillon discovered that CUPS did not properly handle certain Internet Printing Protocol IPP packets. A remote attacker could use this flaw to cause a denial of service or possibly execute arbitrary code. In the default installation in Ubuntu 8.04 LTS and later, attackers would be isolat...

USN-993-1: libgdiplus vulnerability

Stefan Cornelius discovered that libgdiplus incorrectly handled certain image files. If a user or automated system were tricked into opening a crafted image file, an attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program...

USN-978-2: Thunderbird regression

USN-978-1 fixed vulnerabilities in Thunderbird. Some users reported stability problems under certain circumstances. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Several dangling pointer vulnerabilities were discovered in Thunderbird. An attacker...

USN-972-1: FreeType vulnerabilities

It was discovered that FreeType did not correctly handle certain malformed font files. If a user were tricked into using a specially crafted font file, a remote attacker could cause FreeType to crash or possibly execute arbitrary code with user privileges...

USN-930-6: Firefox and Xulrunner vulnerability

USN-957-1 fixed vulnerabilities in Firefox and Xulrunner. Daniel Holbert discovered that the fix for CVE-2010-1214 introduced a regression which did not properly initialize a plugin pointer. If a user were tricked into viewing a malicious site, a remote attacker could use this to crash the browse...

USN-930-1: Firefox and Xulrunner vulnerabilities

If was discovered that Firefox could be made to access freed memory. If a user were tricked into viewing a malicious site, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 8.0...

USN-809-1: GnuTLS vulnerabilities

Moxie Marlinspike and Dan Kaminsky independently discovered that GnuTLS did not properly handle certificates with NULL characters in the certificate name. An attacker could exploit this to perform a machine-in-the-middle attack to view sensitive information or alter encrypted communications...

USN-802-1: Apache vulnerabilities

It was discovered that modproxyhttp did not properly handle a large amount of streamed data when used as a reverse proxy. A remote attacker could exploit this and cause a denial of service via memory resource consumption. This issue affected Ubuntu 8.04 LTS, 8.10 and 9.04. CVE-2009-1890 It was...

USN-799-1: D-Bus vulnerability

It was discovered that the D-Bus library did not correctly validate signatures. If a local user sent a specially crafted D-Bus key, they could spoof a valid signature and bypass security policies...

USN-797-1: tiff vulnerability

It was discovered that the TIFF library did not correctly handle certain malformed TIFF images. If a user or automated system were tricked into processing a malicious image, a remote attacker could cause an application linked against libtiff to crash, leading to a denial of service...

USN-776-2: KVM regression

USN-776-1 fixed vulnerabilities in KVM. Due to an incorrect fix, a regression was introduced in Ubuntu 8.04 LTS that caused KVM to fail to boot virtual machines started via libvirt. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Avi Kivity discovered...

USN-762-1: APT vulnerabilities

Alexandre Martani discovered that the APT daily cron script did not check the return code of the date command. If a machine is configured for automatic updates and is in a time zone where DST occurs at midnight, under certain circumstances automatic updates might not be applied and could become...

USN-758-1: udev vulnerabilities

Sebastian Krahmer discovered that udev did not correctly validate netlink message senders. A local attacker could send specially crafted messages to udev in order to gain root privileges. CVE-2009-1185 Sebastian Krahmer discovered a buffer overflow in the path encoding routines in udev. A local...

USN-735-1: GStreamer Base Plugins vulnerability

It was discovered that the Base64 decoding functions in GStreamer Base Plugins did not properly handle large images in Vorbis file tags. If a user were tricked into opening a specially crafted Vorbis file, an attacker could possibly execute arbitrary code with user privileges...

USN-722-1: sudo vulnerability

Harald Koenig discovered that sudo did not correctly handle certain privilege changes when handling groups. If a local attacker belonged to a group included in a "RunAs" list in the /etc/sudoers file, that user could gain root privileges. This was not an issue for the default sudoers file shipped...

USN-706-1: Bind vulnerability

It was discovered that Bind did not properly perform signature verification. When DNSSEC with DSA signatures are in use, a remote attacker could exploit this to bypass signature validation to spoof DNS entries and poison DNS caches. Among other things, this could lead to misdirected email and web...

USN-701-1: Thunderbird vulnerabilities

Several flaws were discovered in the browser engine. If a user had Javascript enabled, these problems could allow an attacker to crash Thunderbird and possibly execute arbitrary code with user privileges. CVE-2008-5500 Boris Zbarsky discovered that the same-origin check in Thunderbird could be...

USN-703-1: xterm vulnerabilities

Paul Szabo discovered that the DECRQSS escape sequences were not handled correctly by xterm. Additionally, window title operations were also not safely handled. If a user were tricked into viewing a specially crafted series of characters while in xterm, a remote attacker could execute arbitrary...

USN-592-1: Firefox vulnerabilities

Alexey Proskuryakov, Yosuke Hasegawa and Simon Montagu discovered flaws in Firefox's character encoding handling. If a user were tricked into opening a malicious web page, an attacker could perform cross-site scripting attacks. CVE-2008-0416 Various flaws were discovered in the JavaScript engine...

USN-559-1: MySQL vulnerabilities

Joe Gallo and Artem Russakovskii discovered that the InnoDB engine in MySQL did not properly perform input validation. An authenticated user could use a crafted CONTAINS statement to cause a denial of service. CVE-2007-5925 It was discovered that under certain conditions MySQL could be made to...

USN-477-1: krb5 vulnerabilities

Wei Wang discovered that the krb5 RPC library did not correctly handle certain error conditions. A remote attacker could cause kadmind to free an uninitialized pointer, leading to a denial of service or possibly execution of arbitrary code with root privileges. CVE-2007-2442 Wei Wang discovered...

USN-470-1: Linux kernel vulnerabilities

USN-464-1 fixed several vulnerabilities in the Linux kernel. Some additional code changes were accidentally included in the Feisty update which caused trouble for some people who were not using UUID-based filesystem mounts. These changes have been reverted. We apologize for the inconvenience. For...

USN-464-1: Linux kernel vulnerabilities

Philipp Richter discovered that the AppleTalk protocol handler did not sufficiently verify the length of packets. By sending a crafted AppleTalk packet, a remote attacker could exploit this to crash the kernel. CVE-2007-1357 Gabriel Campana discovered that the doipv6setsockopt function did not...

USN-382-1: Thunderbird vulnerabilities

USN-352-1 fixed a flaw in the verification of PKCS certificate signatures. Ulrich Kuehn discovered a variant of the original attack which the original fix did not cover. CVE-2006-5462 Various flaws have been reported that allow an attacker to execute arbitrary code with user privileges by trickin...

USN-383-1: libpng vulnerability

Tavis Ormandy discovered that libpng did not correctly calculate the size of sPLT structures when reading an image. By tricking a user or an automated system into processing a specially crafted PNG file, an attacker could exploit this weakness to crash the application using the library...

USN-360-1: awstats vulnerabilities

awstats did not fully sanitize input, which was passed directly to the user's browser, allowing for an XSS attack. If a user was tricked into following a specially crafted awstats URL, the user's authentication information could be exposed for the domain where awstats was hosted. CVE-2006-3681...

USN-281-1: Linux kernel vulnerabilities

The sysmbind function did not properly verify the validity of the 'maxnod' argument. A local user could exploit this to trigger a buffer overflow, which caused a kernel crash. CVE-2006-0557 The SELinux module did not correctly handle the tracer SID when a process was already being traced. A local...

USN-250-1: Linux kernel vulnerability

Herbert Xu discovered a remote Denial of Service vulnerability in the ICMP packet handler. In some situations a memory allocation was released twice, which led to memory corruption. A remote attacker could exploit this to crash the machine...

USN-169-1: Linux kernel vulnerabilities

David Howells discovered a local Denial of Service vulnerability in the key session joining function. Under certain user-triggerable conditions, a semaphore was not released properly, which caused processes which also attempted to join a key session to hang forever. This only affects Ubuntu 5.04...

USN-60-0: Linux kernel vulnerabilities

CAN-2005-0001: Paul Starzetz discovered a race condition in the Linux page fault handler code. This allowed an unprivileged user to gain root privileges on multiprocessor machines under some circumstances. This also affects the Hyper-Threading mode on Pentium 4 processors...

USN-47-1: Linux kernel vulnerabilities

Georgi Guninski discovered two Denial of Service vulnerabilities in the Linux kernel. An integer overflow in the vcresize function caused the memory allocation for the new screen being too short, thus causing a buffer overflow and a kernel crash. There was also a memory leak in the ipoptionsget...

USN-25-1: libgd2 vulnerability

CAN-2004-0990 described several more buffer overflows which had been discovered in libgd2's PNG handling functions. However, it was determined that the update from USN-11-1 was not sufficient to prevent every possible attack, so another update is required. If an attacker tricked a user into loadi...

USN-11-1: libgd2 vulnerabilities

Several buffer overflows have been discovered in libgd's PNG handling functions. If an attacker tricked a user into loading a malicious PNG image, they could leverage this into executing arbitrary code in the context of the user opening image. Most importantly, this library is commonly used in PH...

USN-7479-1: MySQL vulnerabilities

Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to 8.0.42 in Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 24.10. Ubuntu 25.04 has been updated to MySQL 8.4.5. In addition to...

USN-6924-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM SCMI message protocol; - InfiniBand drivers; - TTY drivers; - TLS protocol; CVE-2024-26584, CVE-2024-36016,...

USN-6835-1: Ghostscript vulnerabilities

It was discovered that Ghostscript did not properly restrict eexec seeds to those specified by the Type 1 Font Format standard when SAFER mode is used. An attacker could use this issue to bypass SAFER restrictions and cause unspecified impact. CVE-2023-52722 This issue only affected Ubuntu 20.04...

USN-6777-1: Linux kernel vulnerabilities

Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could possibly use this to cause a denial of service system crash. CVE-2023-47233 Several...

USN-6689-1: Rack vulnerabilities

It was discovered that Rack incorrectly parse some headers. An attacker could possibly use this issue to cause a denial of service. CVE-2023-27539, CVE-2024-26141, CVE-2024-26146...

USN-6670-1: php-guzzlehttp-psr7 vulnerabilities

It was discovered that php-guzzlehttp-psr7 incorrectly parsed HTTP headers. A remote attacker could possibly use these issues to perform an HTTP header injection attack...

USN-6653-2: Linux kernel (AWS) vulnerabilities

It was discovered that a race condition existed in the ATM Asynchronous Transfer Mode subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-51780 It was...