USN-1459-1: Linux kernel (OMAP4) vulnerabilities

A flaw was found in the Linux kernel's KVM Kernel Virtual Machine virtual cpu setup. An unprivileged local user could exploit this flaw to crash the system leading to a denial of service. CVE-2012-1601 Steve Grubb reported a flaw with Linux fscaps file system base capabilities when used to increa...

USN-1450-1: Net-SNMP vulnerability

It was discovered that Net-SNMP incorrectly performed entry lookups in the extension table. A remote attacker could send a specially crafted request and cause the SNMP server to crash, leading to a denial of service...

USN-1328-1: Linux kernel (Marvell DOVE) vulnerabilities

Clement Lecigne discovered a bug in the HFS filesystem. A local attacker could exploit this to cause a kernel oops. CVE-2011-2203 A flaw was found in how the Linux kernel handles user-defined key types. An unprivileged local user could exploit this to crash the system. CVE-2011-4110...

USN-1272-1: Linux kernel vulnerabilities

It was discovered that CIFS incorrectly handled authentication. When a user had a CIFS share mounted that required authentication, a local user could mount the same share without knowing the correct password. CVE-2011-1585 Andrea Righi discovered a race condition in the KSM memory merging support...

USN-1268-1: Linux kernel vulnerabilities

It was discovered that CIFS incorrectly handled authentication. When a user had a CIFS share mounted that required authentication, a local user could mount the same share without knowing the correct password. CVE-2011-1585 It was discovered that the GRE protocol incorrectly handled netns...

USN-1111-1: Linux kernel vulnerabilities

Dan Rosenberg discovered multiple flaws in the X.25 facilities parsing. If a system was using X.25, a remote attacker could exploit this to crash the system, leading to a denial of service. CVE-2010-4164 Vegard Nossum discovered that memory garbage collection was not handled correctly for active...

USN-1104-1: FFmpeg vulnerabilities

Cesar Bernardini and Felipe Andres Manzano discovered that FFmpeg incorrectly handled certain malformed flic files. If a user were tricked into opening a crafted flic file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of...

USN-1053-1: Subversion vulnerabilities

It was discovered that Subversion incorrectly handled certain 'partial access' privileges in rare scenarios. Remote authenticated users could use this flaw to obtain sensitive information revision properties. This issue only applied to Ubuntu 6.06 LTS. CVE-2007-2448 It was discovered that the...

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-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-986-1: bzip2 vulnerability

An integer overflow was discovered in bzip2. If a user or automated system were tricked into decompressing a crafted bz2 file, an attacker could cause bzip2 or any application linked against libbz2 to crash or possibly execute code as the user running the program...

USN-975-2: Firefox and Xulrunner regression

USN-975-1 fixed vulnerabilities in Firefox and Xulrunner. 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 Firefox. An...

USN-976-1: Tomcat vulnerability

It was discovered that Tomcat incorrectly handled invalid Transfer-Encoding headers. A remote attacker could send specially crafted requests containing invalid headers to the server and cause a denial of service, or possibly obtain sensitive information from other requests...

USN-830-1: OpenSSL vulnerability

Dan Kaminsky discovered OpenSSL would still accept certificates with MD2 hash signatures. As a result, an attacker could potentially create a malicious trusted certificate to impersonate another site. This update handles this issue by completely disabling MD2 for certificate validation...

USN-777-1: Ntp vulnerabilities

A stack-based buffer overflow was discovered in ntpq. If a user were tricked into connecting to a malicious ntp server, a remote attacker could cause a denial of service in ntpq, or possibly execute arbitrary code with the privileges of the user invoking the program. CVE-2009-0159 Chris Ries...

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-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-488-1: mod_perl vulnerability

Alex Solovey discovered that modperl did not correctly validate certain regular expression matches. A remote attacker could send a specially crafted request to a web application using modperl, causing the web server to monopolize CPU resources. This could lead to a remote denial of service...

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-224-1: Kerberos vulnerabilities

Gaël Delalleau discovered a buffer overflow in the envoptadd function of the Kerberos 4 and 5 telnet clients. By sending specially crafted replies, a malicious telnet server could exploit this to execute arbitrary code with the privileges of the user running the telnet client. CVE-2005-0468 Gaël...

USN-45-1: nasm vulnerability

Jonathan Rockway discovered a locally exploitable buffer overflow in the error function of nasm. If an attacker tricked a user into assembling a malicious source file, they could exploit this to execute arbitrary code with the privileges of the user that runs nasm...

USN-22-1: samba vulnerability

Karol Wiesek discovered a Denial of Service vulnerability in samba. A flaw in the input validation routines used to match filename strings containing wildcard characters may allow a remote user to consume more than normal amounts of CPU resources, thus impacting the performance and response of th...

USN-7436-1: 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-6951-4: Linux kernel (BlueField) 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: - ARM64 architecture; - M68K architecture; - User-Mode Linux UML; - x86 architecture; - Accessibility subsystem; -...

USN-6910-1: Apache ActiveMQ vulnerabilities

Chess Hazlett discovered that Apache ActiveMQ incorrectly handled certain commands. A remote attacker could possibly use this issue to terminate the program, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS. CVE-2015-7559 Peter Stöckli discovered that Apache ActiveMQ...

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-6777-4: Linux kernel (HWE) 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-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...

USN-6609-3: Linux kernel (Oracle) 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-6583-1: 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 5.7.44 in Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. In addition to security fixes, the updated packages contain bug fixes, new features, and possibly...

USN-6524-1: PyPy vulnerability

Nicky Mouha discovered that PyPy incorrectly handled certain SHA-3 operations. An attacker could possibly use this issue to cause PyPy to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-6432-1: Quagga vulnerabilities

It was discovered that the Quagga BGP daemon did not properly check the attribute length in NRLI. A remote attacker could possibly use this issue to cause a denial of service. CVE-2023-41358 It was discovered that the Quagga BGP daemon did not properly manage memory when reading initial bytes of...

USN-6398-1: ReadyMedia vulnerabilities

It was discovered that ReadyMedia was vulnerable to DNS rebinding attacks. A remote attacker could possibly use this issue to trick the local DLNA server to leak information. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. CVE-2022-26505 It was...

USN-6325-1: Linux kernel vulnerabilities

Daniel Moghimi discovered that some IntelR Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. CVE-2022-40982 Tavis Ormandy discovered that some AMD processors...

USN-6324-1: Linux kernel (GKE) vulnerabilities

Daniel Moghimi discovered that some IntelR Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. CVE-2022-40982 Tavis Ormandy discovered that some AMD processors...

USN-6286-1: Intel Microcode vulnerabilities

Daniel Moghimi discovered that some IntelR Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. CVE-2022-40982 It was discovered that some IntelR XeonR Processor...

USN-6255-1: Linux kernel (Intel IoTG) vulnerabilities

It was discovered that the IP-VLAN network driver for the Linux kernel did not properly initialize memory in some situations, leading to an out-of- bounds write vulnerability. An attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-3090...

USN-6187-1: Linux kernel (IBM) vulnerabilities

William Zhao discovered that the Traffic Control TC subsystem in the Linux kernel did not properly handle network packet retransmission in certain situations. A local attacker could use this to cause a denial of service kernel deadlock. CVE-2022-4269 It was discovered that the TUN/TAP driver in t...

USN-6151-1: Linux kernel (Xilinx ZynqMP) vulnerabilities

It was discovered that the System V IPC implementation in the Linux kernel did not properly handle large shared memory counts. A local attacker could use this to cause a denial of service memory exhaustion. CVE-2021-3669 It was discovered that the KVM VMX implementation in the Linux kernel did no...

USN-6112-1: Perl vulnerability

It was discovered that Perl was not properly verifying TLS certificates when using CPAN together with HTTP::Tiny to download modules over HTTPS. If a remote attacker were able to intercept communications, this flaw could potentially be used to install altered modules...

USN-6050-1: Git vulnerabilities

It was discovered that Git incorrectly handled certain commands. An attacker could possibly use this issue to overwriting some paths. CVE-2023-25652 Maxime Escourbiac and Yassine BENGANA discovered that Git incorrectly handled some gettext machinery. An attacker could possibly use this issue to...

USN-5959-1: Kerberos vulnerabilities

It was discovered that Kerberos incorrectly handled memory when processing KDC data, which could lead to a NULL pointer dereference. An attacker could possibly use this issue to cause a denial of service or have other unspecified impacts. CVE-2021-36222, CVE-2021-37750...

USN-5893-1: 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-5865-1: Linux kernel (Azure) vulnerabilities

It was discovered that an out-of-bounds write vulnerability existed in the Video for Linux 2 V4L2 implementation in the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-20369 Pawan Kumar Gupta, Alyssa Milburn, Ami...

USN-5782-2: Firefox regressions

USN-5782-1 fixed vulnerabilities in Firefox. The update introduced several minor regressions. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Firefox was using an out-of-date libusrsctp library. An attacker could possibly use th...

USN-5630-1: Linux kernel (Raspberry Pi) vulnerabilities

It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2021-33655 Moshe Ko...

USN-5606-1: poppler vulnerability

It was discovered that poppler incorrectly handled certain PDF. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code...

USN-5572-1: Linux kernel (AWS) vulnerabilities

Roger Pau Monné discovered that the Xen virtual block driver in the Linux kernel did not properly initialize memory pages to be used for shared communication with the backend. A local attacker could use this to expose sensitive information guest kernel memory. CVE-2022-26365 Roger Pau Monné...

USN-5457-1: WebKitGTK vulnerabilities

A large number of 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...

USN-5244-2: DBus vulnerability

USN-5244-1 fixed a vulnerability in DBus. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: Daniel Onaca discovered that DBus contained a use-after-free vulnerability, caused by the incorrect handling of usernames sharing the same...