USN-3315-1: Firefox vulnerabilities

Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, read uninitialized memory, obtain sensitive information, spoof the addressbar contents, or execute...

USN-3257-1: 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-3234-1: Linux kernel vulnerabilities

Ralf Spenneberg discovered that the ext4 implementation in the Linux kernel did not properly validate meta block groups. An attacker with physical access could use this to specially craft an ext4 image that causes a denial of service system crash. CVE-2016-10208 It was discovered that the Linux...

USN-8585-1: Kerberos vulnerabilities

It was discovered that Kerberos had an integer underflow vulnerability in the berval2tldata function. An attacker could possibly use this issue to cause Kerberos to crash, resulting in a denial of service. CVE-2026-11850 It was discovered that Kerberos had vulnerabilities in its NegoEx mechanism...

USN-6729-1: Apache HTTP Server vulnerabilities

Orange Tsai discovered that the Apache HTTP Server incorrectly handled validating certain input. A remote attacker could possibly use this issue to perform HTTP request splitting attacks. CVE-2023-38709 Keran Mu and Jianjun Chen discovered that the Apache HTTP Server incorrectly handled validatin...

USN-5850-1: Linux kernel vulnerabilities

It was discovered that the Bluetooth HCI implementation in the Linux kernel did not properly deallocate memory in some situations. An attacker could possibly use this cause a denial of service memory exhaustion. CVE-2022-3619 It was discovered that the Broadcom FullMAC USB WiFi driver in the Linu...

USN-5518-1: Linux kernel vulnerabilities

It was discovered that the eBPF implementation in the Linux kernel did not properly prevent writes to kernel objects in BPFBTFLOAD commands. A privileged local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-0500 It was discovered tha...

USN-5502-1: OpenSSL vulnerability

Alex Chernyakhovsky discovered that OpenSSL incorrectly handled AES OCB mode when using the AES-NI assembly optimized implementation on 32-bit x86 platforms. A remote attacker could possibly use this issue to obtain sensitive information...

USN-5469-1: Linux kernel vulnerabilities

It was discovered that the Linux kernel did not properly restrict access to the kernel debugger when booted in secure boot environments. A privileged attacker could use this to bypass UEFI Secure Boot restrictions. CVE-2022-21499 Aaron Adams discovered that the netfilter subsystem in the Linux...

USN-5322-1: Subversion vulnerability

Thomas Akesson discovered that Subversion incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service...

USN-5314-1: Firefox vulnerabilities

A use-after-free was discovered when removing an XSLT parameter in some circumstances. If a user were tricked into opening a specially crafted website, an attacker could exploit this to cause a denial of service, or execute arbitrary code. CVE-2022-26485 A use-after-free was discovered in the...

USN-5284-1: Firefox vulnerabilities

Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, bypass security restrictions, obtain sensitive information, or execute arbitrary code. CVE-2022-0511,...

USN-5142-2: Samba regressions

USN-5142-1 fixed vulnerabilities in Samba. Some of the upstream changes introduced regressions in name mapping and backups. Please see the following upstream bugs for more information: https://bugzilla.samba.org/showbug.cgi?id=14901 https://bugzilla.samba.org/showbug.cgi?id=14918 This update fixe...

USN-5075-1: Ghostscript vulnerability

It was discovered that Ghostscript incorrectly handled certain PostScript files. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could possibly use this issue to access arbitrary files, execute arbitrary code, or cause a denial of service...

USN-5047-1: Firefox vulnerability

It was discovered that Firefox could be made to incorrectly accept newlines in HTTP/3 response headers. If a user were tricked into opening a specially crafted website, an attacker could exploit this to conduct header splitting attacks...

USN-5007-1: libuv vulnerability

Eric Sesterhenn discovered that libuv incorrectly handled certain strings. An attacker could possibly use this issue to access sensitive information or cause a crash...

USN-4971-2: libwebp vulnerabilities

USN-4971-1 fixed several vulnerabilities in libwebp. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that libwebp incorrectly handled certain malformed images. If a user or automated system were tricked into...

USN-4919-1: OpenSLP vulnerability

It was discovered that OpenSLP did not properly validate URLs. A remote attacker could use this issue to cause OpenSLP to crash or possibly execute arbitrary code...

USN-4896-1: lxml vulnerability

It was discovered that lxml incorrectly handled certain HTML attributes. A remote attacker could possibly use this issue to perform cross-site scripting XSS attacks...

USN-4747-2: GNU Screen vulnerability

USN-4747-1 fixed a vulnerability in screen. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Felix Weinmann discovered that GNU Screen incorrectly handled certain character sequences. A remote attacker could use this issue to cause GNU Screen to crash...

USN-4720-1: Apport vulnerabilities

Itai Greenhut discovered that Apport incorrectly parsed certain files in the /proc filesystem. A local attacker could use this issue to escalate privileges and run arbitrary code. CVE-2021-25682, CVE-2021-25683 Itai Greenhut discovered that Apport incorrectly handled opening certain special files...

USN-4674-2: Dovecot vulnerability

USN-4674-1 fixed a vulnerability in Dovecot. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Innokentii Sennovskiy discovered that Dovecot incorrectly handled MIME parsing. A remote attacker could possibly use this issue to cause Dovecot to crash,...

USN-4360-1: json-c vulnerability

It was discovered that json-c incorrectly handled certain JSON files. An attacker could possibly use this issue to execute arbitrary code...

USN-2673-1: Thunderbird vulnerabilities

Karthikeyan Bhargavan discovered that NSS incorrectly handled state transitions for the TLS state machine. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be exploited to skip the ServerKeyExchange message and remove the forward-secrecy property...

USN-1204-1: Linux kernel (i.MX51) vulnerabilities

Dan Rosenberg discovered that the Linux kernel TIPC implementation contained multiple integer signedness errors. A local attacker could exploit this to gain root privileges. CVE-2010-3859 Dan Rosenberg discovered that multiple terminal ioctls did not correctly initialize structure memory. A local...

USN-1126-2: PHP Regressions

USN 1126-1 fixed several vulnerabilities in PHP. The fix for CVE-2010-4697 introduced an incorrect reference counting regression in the Zend engine that caused the PHP interpreter to segfault. This regression affects Ubuntu 6.06 LTS and Ubuntu 8.04 LTS. The fixes for CVE-2011-1072 and CVE-2011-11...

USN-6329-1: 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-6127-1: Linux kernel vulnerabilities

Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrar...

USN-6030-1: Linux kernel (Qualcomm Snapdragon) vulnerabilities

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel contained 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-2023-1281 It was discovered that the System V IPC...

USN-5550-1: GnuTLS vulnerabilities

It was discovered that GnuTLS incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause GnuTLS to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. CVE-2021-4209 It was discovered that GnuTLS...

USN-5241-1: QtSvg vulnerabilities

It was discovered that QtSvg incorrectly handled certain malformed SVG images. If a user or automated system were tricked into opening a specially crafted image file, a remote attacker could use this issue to cause QtSvg to crash, resulting in a denial of service, or possibly execute arbitrary co...

USN-5025-2: libsndfile vulnerability

USN-5025-1 fixed a vulnerability in libsndfile. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that libsndfile incorrectly handled certain malformed files. A remote attacker could use this issue to cause...

USN-4965-1: Apport vulnerabilities

Maik Münch discovered that Apport incorrectly handled certain information gathering operations. A local attacker could use these issues to read and write arbitrary files as an administrator, and possibly escalate privileges...

USN-4937-1: GNOME Autoar vulnerability

Ondrej Holy discovered that GNOME Autoar could extract files outside of the intended directory. If a user were tricked into extracting a specially crafted archive, a remote attacker could create files in arbitrary locations, possibly leading to code execution...

USN-4756-1: Firefox vulnerabilities

Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, conduct cross-site scripting XSS attacks, bypass HTTP auth phishing warning...

USN-4723-1: PEAR vulnerability

It was discovered that PEAR incorrectly handled symbolic links in archives. A remote attacker could possibly use this issue to execute arbitrary code...

USN-4628-2: Intel Microcode regression

USN-4628-1 provided updated Intel Processor Microcode. Unfortunately, that update prevented certain processors in the Intel Tiger Lake family from booting successfully. This update reverts the microcode update for the Tiger Lake processor family. Please note that the 'disucodeldr' kernel command...

USN-4382-1: FreeRDP vulnerabilities

It was discovered that FreeRDP incorrectly handled certain memory operations. A remote attacker could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4337-1: OpenJDK vulnerabilities

It was discovered that OpenJDK incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service while processing a specially crafted regular expression. CVE-2020-2754, CVE-2020-2755 It was discovered that OpenJDK incorrectly handled class...

USN-4251-1: Tomcat vulnerabilities

It was discovered that Tomcat incorrectly handled the RMI registry when configured with the JMX Remote Lifecycle Listener. A local attacker could possibly use this issue to obtain credentials and gain complete control over the Tomcat instance. CVE-2019-12418 It was discovered that Tomcat...

USN-4216-2: Firefox vulnerabilities

USN-4216-1 fixed vulnerabilities in Firefox. This update provides the corresponding update for Ubuntu 16.04 LTS. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit...

USN-4070-3: MariaDB vulnerabilities

USN-4070-1 fixed multiple vulnerabilities in MySQL. This update provides the corresponding fixes for CVE-2019-2737, CVE-2019-2739, CVE-2019-2740, CVE-2019-2758, CVE-2019-2805, CVE-2019-2628, CVE-2019-2627, CVE-2019-2614 in MariaDB 10.3. Ubuntu 19.04 has been updated to MariaDB 10.3.17. In additio...

USN-3965-1: aria2 vulnerability

Dhiraj Mishra discovered that aria2 incorrectly stored authentication information. A local attacker could possibly use this issue to obtain credentials...

USN-3542-1: Linux kernel vulnerabilities

Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. This update provide...

USN-3463-1: Werkzeug vulnerability

It was discovered that Werkzeug did not properly handle certain web scripts. A remote attacker could use this to inject arbitrary code via a field that contains an exception message...

USN-3371-1: Linux kernel (HWE) kernel vulnerabilities

It was discovered that the Linux kernel did not properly initialize a Wake- on-Lan data structure. A local attacker could use this to expose sensitive information kernel memory. CVE-2014-9900 Alexander Potapenko discovered a race condition in the Advanced Linux Sound Architecture ALSA subsystem i...

USN-3366-1: OpenJDK 8 vulnerabilities

It was discovered that the JPEGImageReader class in OpenJDK would incorrectly read unused image data. An attacker could use this to specially construct a jpeg image file that when opened by a Java application would cause a denial of service. CVE-2017-10053 It was discovered that the JAR verifier ...

USN-3177-2: Tomcat regression

USN-3177-1 fixed vulnerabilities in Tomcat. The update introduced a regression in environments where Tomcat is started with a security manager. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that the Tomcat realm implementations...

USN-2830-1: OpenSSL vulnerabilities

Guy Leaver discovered that OpenSSL incorrectly handled a ServerKeyExchange for an anonymous DH ciphersuite with the value of p set to 0. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue only applied to Ubuntu 15.10...

USN-2363-1: Bash vulnerability

Tavis Ormandy discovered that the security fix for Bash included in USN-2362-1 was incomplete. An attacker could use this issue to bypass certain environment restrictions. CVE-2014-7169...