USN-3967-1: FFmpeg vulnerabilities

It was discovered that FFmpeg contained multiple security issues when handling certain multimedia files. If a user were tricked into opening a crafted multimedia file, an attacker could cause a denial of service via application crash...

USN-3895-1: LDB vulnerability

It was discovered that LDB incorrectly handled certain search expressions. A remote attacker could possibly use this issue to cause the Samba LDAP process to crash, resulting in a denial of service...

USN-3881-2: Dovecot vulnerability

USN-3881-1 fixed a vulnerability in Dovecot. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that Dovecot incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field...

USN-3732-1: Linux kernel vulnerability

Juha-Matti Tilli discovered that the TCP implementation in the Linux kernel performed algorithmically expensive operations in some situations when handling incoming packets. A remote attacker could use this to cause a denial of service...

USN-3696-1: Linux kernel vulnerabilities

It was discovered that an integer overflow existed in the perf subsystem of the Linux kernel. A local attacker could use this to cause a denial of service system crash. CVE-2017-18255 Wei Fang discovered an integer overflow in the F2FS filesystem implementation in the Linux kernel. A local attack...

USN-3617-3: Linux kernel (Raspberry Pi 2) vulnerabilities

It was discovered that a race condition leading to a use-after-free vulnerability existed in the ALSA PCM subsystem of the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-0861 It was discovered that a...

USN-3372-1: NSS vulnerability

It was discovered that NSS incorrectly handled certain empty SSLv2 messages. A remote attacker could possibly use this issue to cause NSS to crash, resulting in a denial of service. CVE-2017-7502 Karthik Bhargavan and Gaetan Leurent discovered that the DES and Triple DES ciphers were vulnerable t...

USN-3311-2: libnl vulnerability

USN-3311-1 fixed a vulnerability in libnl. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that libnl incorrectly handled memory when performing certain operations. A local attacker could possibly use this issue to cause libnl to...

USN-3154-1: OpenJDK 6 vulnerabilities

It was discovered that OpenJDK did not restrict the set of algorithms used for Jar integrity verification. An attacker could use this to modify without detection the content of a JAR file, affecting system integrity. CVE-2016-5542 It was discovered that the JMX component of OpenJDK did not...

USN-2984-1: PHP vulnerabilities

It was discovered that the PHP Fileinfo component incorrectly handled certain magic files. An attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. CVE-2015-8865 Hans Jerry Illikainen...

USN-2363-2: Bash vulnerability

USN-2363-1 fixed a vulnerability in Bash. Due to a build issue, the patch for CVE-2014-7169 didn't get properly applied in the Ubuntu 14.04 LTS package. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Tavis Ormandy discovered that the security fix for...

USN-2299-1: Apache HTTP Server vulnerabilities

Marek Kroemeke discovered that the modproxy module incorrectly handled certain requests. A remote attacker could use this issue to cause the server to stop responding, leading to a denial of service. This issue only affected Ubuntu 14.04 LTS. CVE-2014-0117 Giancarlo Pellegrino and Davide Balzarot...

USN-1628-1: Qt vulnerability

Juliano Rizzo and Thai Duong discovered a flaw in the Transport Layer Security TLS protocol when it is used with data compression. If an attacker were able to perform a machine-in-the-middle attack, this flaw could be exploited to view sensitive information. This update disables TLS data...

USN-1193-1: Linux kernel vulnerabilities

Timo Warns discovered that the GUID partition parsing routines did not correctly validate certain structures. A local attacker with physical access could plug in a specially crafted block device to crash the system, leading to a denial of service. CVE-2011-1577 Phil Oester discovered that the...

USN-853-2: Firefox and Xulrunner regression

USN-853-1 fixed vulnerabilities in Firefox and Xulrunner. The upstream changes introduced regressions that could lead to crashes when processing certain malformed GIF images, fonts and web pages. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Alin Ra...

USN-6766-2: Linux kernel vulnerabilities

It was discovered that the Open vSwitch implementation in the Linux kernel could overflow its stack during recursive action operations under certain conditions. A local attacker could use this to cause a denial of service system crash. CVE-2024-1151 Sander Wiebing, Alvise de Faveri Tron, Herbert...

USN-6244-1: AMD Microcode vulnerability

Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information...

USN-5906-1: PostgreSQL vulnerability

Jacob Champion discovered that the PostgreSQL client incorrectly handled Kerberos authentication. If a user or automated system were tricked into connecting to a malicious server, a remote attacker could possibly use this issue to obtain sensitive information...

USN-5499-1: curl vulnerabilities

Florian Kohnhuser discovered that curl incorrectly handled returning a TLS server’s certificate chain details. A remote attacker could possibly use this issue to cause curl to stop responding, resulting in a denial of service. CVE-2022-27781 Harry Sintonen discovered that curl incorrectly handled...

USN-5413-1: Linux kernel vulnerabilities

Jeremy Cline discovered a use-after-free in the nouveau graphics driver of the Linux kernel during device removal. A privileged or physically proximate attacker could use this to cause a denial of service system crash. CVE-2020-27820 It was discovered that a race condition existed in the network...

USN-5076-1: Git vulnerability

It was discovered that Git allowed newline characters in certain repository paths. An attacker could potentially use this issue to perform cross-protocol requests...

USN-5065-1: Open vSwitch vulnerability

It was discovered that Open vSwitch incorrectly handled decoding RAWENCAP actions. A remote attacker could use this issue to cause Open vSwitch to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4757-2: wpa_supplicant and hostapd vulnerability

USN-4757-1 fixed a vulnerability in wpasupplicant and hostapd. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: It was discovered that wpasupplicant did not properly handle P2P Wi-Fi Direct provision discovery requests in some situations. A physically...

USN-4667-2: APT vulnerability

USN-4667-1 fixed a vulnerability in APT. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Kevin Backhouse discovered that APT incorrectly handled certain packages. A local attacker could possibly use this issue to cause APT to crash or stop responding...

USN-4422-1: 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-4334-1: Git vulnerability

Carlo Arenas discovered that Git incorrectly handled certain URLs containing newlines, empty hosts, or lacking a scheme. A remote attacker could possibly use this issue to trick Git into returning credential information for a wrong host...

USN-4321-1: HAProxy vulnerability

Felix Wilhelm discovered that HAProxy incorrectly handled certain HTTP/2 requests. An attacker could possibly use this to execute arbitrary code...

USN-4171-3: Apport regression

USN-4171-1 fixed vulnerabilities in Apport. The update caused a regression in the Python Apport library. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Kevin Backhouse discovered Apport would read its user-controlled settings file as the root user...

USN-3954-1: FreeRADIUS vulnerabilities

It was discovered that FreeRADIUS incorrectly handled certain inputs. An attacker could possibly use this issue to bypass authentication. CVE-2019-11234, CVE-2019-11235...

USN-3943-1: Wget vulnerabilities

It was discovered that Wget incorrectly handled certain inputs. An attacker could possibly use this issue to access sensitive information. This issue only affected Ubuntu 18.04 LTS and Ubuntu 18.10. CVE-2018-20483 Kusano Kazuhiko discovered that Wget incorrectly handled certain inputs. An attacke...

USN-3878-2: Linux kernel (Azure) vulnerabilities

It was discovered that a race condition existed in the vsock address family implementation of the Linux kernel that could lead to a use-after-free condition. A local attacker in a guest virtual machine could use this to expose sensitive information host machine kernel memory. CVE-2018-14625 Cfir...

USN-3852-1: Exiv2 vulnerabilities

It was discovered that Exiv2 incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. CVE-2017-9239 only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2017-11591, CVE-2017-11683, CVE-2017-14859, CVE-2017-14862, CVE-2017-14864, CVE-2017-17669...

USN-3654-1: Linux kernel vulnerabilities

Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a sidechannel attack. This flaw is known as Spectre Variant 4. A local attacker could use this to expose sensitive information, including kernel memor...

USN-3212-1: LibTIFF vulnerabilities

It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges...

USN-3129-1: Linux kernel vulnerability

Ondrej Kozina discovered that the keyring interface in the Linux kernel contained a buffer overflow when displaying timeout events via the /proc/keys interface. A local attacker could use this to cause a denial of service system crash...

USN-3128-3: Linux kernel (Qualcomm Snapdragon) vulnerability

Ondrej Kozina discovered that the keyring interface in the Linux kernel contained a buffer overflow when displaying timeout events via the /proc/keys interface. A local attacker could use this to cause a denial of service system crash...

USN-3119-1: Bind vulnerability

Tony Finch and Marco Davids discovered that Bind incorrectly handled certain responses containing a DNAME answer. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service...

USN-2466-1: Linux kernel vulnerabilities

A null pointer dereference flaw was discovered in the the Linux kernel's SCTP implementation when ASCONF is used. A remote attacker could exploit this flaw to cause a denial of service system crash via a malformed INIT chunk. CVE-2014-7841 A race condition with MMIO and PIO transactions in the KV...

USN-1220-1: Linux kernel (OMAP4) vulnerabilities

Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. CVE-2011-1576 Timo Warns discovered that the EFI GUID partition table was not correctly...

USN-1162-1: Linux kernel vulnerabilities (Marvell Dove)

Brad Spengler discovered that the kernel did not correctly account for userspace memory allocations during exec calls. A local attacker could exploit this to consume all system memory, leading to a denial of service. CVE-2010-4243 Alexander Duyck discovered that the Intel Gigabit Ethernet driver...

USN-1032-1: Exim vulnerability

Sergey Kononenko and Eugene Bujak discovered that Exim did not correctly truncate string expansions. A remote attacker could send specially crafted email traffic to run arbitrary code as the Exim user, which could also lead to root privileges...

USN-578-1: Linux kernel vulnerabilities

The minix filesystem did not properly validate certain filesystem values. If a local attacker could trick the system into attempting to mount a corrupted minix filesystem, the kernel could be made to hang for long periods of time, resulting in a denial of service. CVE-2006-6058 Alexander Schulze...

USN-6510-1: Apache HTTP Server vulnerability

David Shoon discovered that the Apache HTTP Server modmacro module incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service...

USN-6238-1: Samba vulnerabilities

It was discovered that Samba incorrectly handled Winbind NTLM authentication responses. An attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service. CVE-2022-2127 Andreas Schneider discovered that Samba incorrectly enforced SMB2 packet signing. A remote...

USN-5927-1: Linux kernel (Azure) vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...

USN-5824-1: 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,...

USN-5805-1: Apache Maven vulnerability

It was discovered that Apache Maven followed repositories that are defined in a dependency’s Project Object Model pom even if the repositories weren't encryptedh http protocol. An attacker could use this vulnerability to take over a repository, execute arbitrary code or cause a denial of service...

USN-5397-1: curl vulnerabilities

Patrick Monnerat discovered that curl incorrectly handled certain OAUTH2. An attacker could possibly use this issue to access sensitive information. CVE-2022-22576 Harry Sintonen discovered that curl incorrectly handled certain requests. An attacker could possibly use this issue to expose sensiti...

USN-5203-1: Apache Log4j 2 vulnerability

Hideki Okamoto and Guy Lederfein discovered that Apache Log4j 2 did not protect against infinite recursion in lookup evaluation. A remote attacker could possibly use this issue to cause Apache Log4j 2 to crash, leading to a denial of service. Please see the following link for more information:...

USN-5128-1: Ceph vulnerabilities

Goutham Pacha Ravi, Jahson Babel, and John Garbutt discovered that user credentials in Ceph could be manipulated in certain environments. An attacker could use this to gain unintended access to resources. This issue only affected Ubuntu 18.04 LTS. CVE-2020-27781 It was discovered that Ceph...