USN-3975-1: OpenJDK vulnerabilities

It was discovered that the BigDecimal implementation in OpenJDK performed excessive computation when given certain values. An attacker could use this to cause a denial of service excessive CPU usage. CVE-2019-2602 Corwin de Boor and Robert Xiao discovered that the RMI registry implementation in...

USN-3871-3: Linux kernel (AWS, GCP, KVM, OEM, Raspberry Pi 2) vulnerabilities

Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service system crash or possibly execute arbitrary code...

USN-7096-2: OpenJDK 8 regressions

USN-7096-1 fixed vulnerabilities in OpenJDK 8. The update introduced several minor regressions. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Andy Boothe discovered that the Networking component of OpenJDK 8 did not properly handle access under...

USN-5662-1: Oniguruma vulnerabilities

It was discovered that Oniguruma incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service, obtain sensitive information or other unspecified impact. This issue only affected Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. CVE-2019-16163,...

USN-5517-1: Linux kernel (OEM) vulnerabilities

It was discovered that the Atheros ath9k wireless device driver in the Linux kernel did not properly handle some error conditions, 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-2022-1679...

USN-5035-1: GPSd vulnerability

It was discovered that GPSd incorrectly handled certain leap second events which would result in the time jumping back 1024 weeks on 2021-10-31...

LSN-0078-1: Kernel Live Patch Security Notice

Norbert Slusarek discovered a race condition in the CAN BCM networking protocol of the Linux kernel leading to multiple use-after-free vulnerabilities. A local attacker could use this issue to execute arbitrary code.CVE-2021-3609...

USN-4981-1: Squid vulnerabilities

Joshua Rogers discovered that Squid incorrectly handled requests with the urn: scheme. A remote attacker could possibly use this issue to cause Squid to consume resources, leading to a denial of service. CVE-2021-28651 Joshua Rogers discovered that Squid incorrectly handled requests to the Cache...

LSN-0076-1: Kernel Live Patch Security Notice

It was discovered that the overlayfs implementation in the Linux kernel did not properly validate the application of file system capabilities with respect to user namespaces. A local attacker could use this to gain elevated privileges.CVE-2021-3493 Piotr Krysiuk discovered that the BPF JIT compil...

USN-4724-1: OpenLDAP vulnerabilities

It was discovered that OpenLDAP incorrectly handled Certificate Exact Assertion processing. A remote attacker could possibly use this issue to cause OpenLDAP to crash, resulting in a denial of service. CVE-2020-36221 It was discovered that OpenLDAP incorrectly handled saslAuthzTo processing. A...

USN-4211-2: Linux kernel (Xenial HWE) vulnerabilities

USN-4211-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 ESM. Zhipeng Xie discovered that an infinite loop could be triggered in the CFS Linux kerne...

USN-4191-1: QEMU vulnerabilities

It was discovered that the LSI SCSI adapter emulator implementation in QEMU did not properly validate executed scripts. A local attacker could use this to cause a denial of service. CVE-2019-12068 Sergej Schumilo, Cornelius Aschermann and Simon Wörner discovered that the qxl paravirtual graphics...

USN-4128-2: Tomcat vulnerabilities

It was discovered that the Tomcat 9 SSI printenv command echoed user provided data without escaping it. An attacker could possibly use this issue to perform an XSS attack. CVE-2019-0221 It was discovered that Tomcat 9 did not address HTTP/2 connection window exhaustion on write while addressing...

USN-3876-2: Avahi vulnerabilities

USN-3876-1 fixed a vulnerability in Avahi. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Chad Seaman discovered that Avahi incorrectly handled certain messages. An attacker could possibly use this issue to cause a denial of service. CVE-2017-6519,...

USN-2433-1: tcpdump vulnerabilities

Steffen Bauch discovered that tcpdump incorrectly handled printing OSLR packets. A remote attacker could use this issue to cause tcpdump to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2014-8767 Steffen Bauch discovered that tcpdump incorrectly handled printing...

USN-2166-1: Net-SNMP vulnerabilities

Ken Farnen discovered that Net-SNMP incorrectly handled AgentX timeouts. A remote attacker could use this issue to cause the server to crash or to hang, resulting in a denial of service. CVE-2012-6151 It was discovered that the Net-SNMP ICMP-MIB incorrectly validated input. A remote attacker coul...

USN-6819-2: Linux kernel vulnerabilities

Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly validate H2C PDU data, leading to a null pointer dereference vulnerability. A remote attacker could use this to cause a denial of service system crash. CVE-2023-6356, CVE-2023-6535, CVE-2023-6536 Chenyuan...

USN-6561-1: libssh vulnerability

Fabian Bäumer, Marcus Brinkmann, Jörg Schwenk discovered that the SSH protocol was vulnerable to a prefix truncation attack. If a remote attacker was able to intercept SSH communications, extension negotiation messages could be truncated, possibly leading to certain algorithms and features being...

USN-5538-1: libtirpc vulnerability

It was discovered that libtirpc incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service...

USN-4754-5: Python vulnerability

USN-4754-1 fixed vulnerabilities in Python. Because of a regression, a subsequent update removed the fix for CVE-2021-3177. This update reinstates the security fix for CVE-2021-3177 in Ubuntu 14.04 ESM. Original advisory details: It was discovered that Python incorrectly handled certain inputs. A...

USN-5120-1: Linux kernel (Azure) vulnerabilities

It was discovered that the f2fs file system in the Linux kernel did not properly validate metadata in some situations. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service system crash or possibly execute arbitrary code...

USN-5058-1: Thunderbird vulnerabilities

It was discovered that Thunderbird didn't ignore IMAP server responses prior to completion of the STARTTLS handshake. A person-in-the-middle could potentially exploit this to trick Thunderbird into showing incorrect information. CVE-2021-29969 Multiple security issues were discovered in...

USN-4843-1: phpMyAdmin vulnerabilities

Javier Nieto and Andres Rojas discovered that phpMyAdmin incorrectly managed input in the form of passwords. An attacker could use this vulnerability to cause a denial-of-service DoS. This issue only affected Ubuntu 14.04 ESM. CVE-2014-9218 Emanuel Bronshtein discovered that phpMyAdmin failed to...

USN-4739-1: WebKitGTK vulnerability

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-4737-1: Bind vulnerability

It was discovered that Bind incorrectly handled GSSAPI security policy negotiation. A remote attacker could use this issue to cause Bind to crash, resulting in a denial of service, or possibly execute arbitrary code. In the default installation, attackers would be isolated by the Bind AppArmor...

USN-4657-1: Linux kernel vulnerabilities

Elena Petrova discovered that the pin controller device tree implementation in the Linux kernel did not properly handle string references. A local attacker could use this to expose sensitive information kernel memory. CVE-2020-0427 Daniele Antonioli, Nils Ole Tippenhauer, and Kasper Rasmussen...

USN-4066-1: libmspack vulnerability

It was discovered that libmspack incorrectly handled certain CHM files. A remote attacker could possibly use this issue to access sensitive information...

USN-4018-1: Samba vulnerabilities

It was discovered that Samba incorrectly handled certain RPC messages. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service. CVE-2019-12435 It was discovered that Samba incorrectly handled LDAP pages searches. A remote attacker could possibly u...

USN-3993-1: curl vulnerabilities

Wenchao Li discovered that curl incorrectly handled memory in the curlurlset function. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 19.04. CVE-2019-5435 It was discovered that...

USN-3985-2: libvirt update

Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Giorgi Maisuradze, Dan Horea Lutas, Andrei Lutas, Volodymyr Pikhur, Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Moritz Lipp, Michael Schwarz, and Daniel Gruss discovered...

USN-3848-1: Linux kernel vulnerabilities

It was discovered that a double free existed in the AMD GPIO driver in the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-18174 It was discovered that an integer overrun vulnerability existed in the POSIX timers...

USN-3822-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3822-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. Jim Mattson discovered that the KVM implementation in the Linux kernel mismanages the ...

USN-5359-2: rsync vulnerability

USN-5359-1 fixed vulnerabilities in rsync. This update provides the corresponding updates for Ubuntu 16.04 ESM. Original advisory details: Danilo Ramos discovered that rsync incorrectly handled memory when performing certain zlib deflating operations. An attacker could use this issue to cause rsy...

USN-4973-1: Python vulnerability

It was discovered that the Python stdlib ipaddress API incorrectly handled octal strings. A remote attacker could possibly use this issue to perform a wide variety of attacks, including bypassing certain access restrictions...

USN-4907-1: Linux kernel vulnerabilities

Wen Xu discovered that the xfs file system implementation in the Linux kernel did not properly validate the number of extents in an inode. An attacker could use this to construct a malicious xfs image that, when mounted, could cause a denial of service system crash. CVE-2018-13095 It was discover...

USN-4764-1: GLib vulnerability

It was discovered that GLib incorrectly handled certain symlinks when replacing files. If a user or automated system were tricked into extracting a specially crafted file with File Roller, a remote attacker could possibly create files outside of the intended directory...

USN-4763-1: Pillow vulnerabilities

It was discovered that Pillow incorrectly handled certain Tiff image files. If a user or automated system were tricked into opening a specially-crafted Tiff file, a remote attacker could cause Pillow to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only...

USN-4210-1: Linux kernel vulnerabilities

It was discovered that a buffer overflow existed in the 802.11 Wi-Fi configuration interface for the Linux kernel when handling beacon settings. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2019-16746 Nicolas Waisman discovered...

USN-4054-2: Firefox regressions

USN-4054-1 fixed vulnerabilities in Firefox. The update introduced various minor regressions. This update fixes the problems. We apologize for the inconvenience. Original advisory details: A sandbox escape was discovered in Firefox. If a user were tricked in to installing a malicious language pac...

USN-4071-1: Patch vulnerabilities

It was discovered that Patch incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information. CVE-2019-13636 It was discovered that Patch incorrectly handled certain files. An attacker could possibly use this issue to execute arbitrary code...

USN-4019-1: SQLite vulnerabilities

It was discovered that SQLite incorrectly handled certain SQL files. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service. This issue only affected Ubuntu 16.04 LTS. CVE-2017-2518, CVE-2017-2520 It was discovered that SQLite incorrectly handled certain...

USN-3823-1: Linux kernel vulnerabilities

It was discovered that memory present in the L1 data cache of an Intel CPU core may be exposed to a malicious process that is executing on the CPU core. This vulnerability is also known as L1 Terminal Fault L1TF. A local attacker in a guest virtual machine could use this to expose sensitive...

LSN-0085-1: Kernel Live Patch Security Notice

Yiqi Sun and Kevin Wang discovered that the cgroups implementation in the Linux kernel did not properly restrict access to the cgroups v1 releaseagent feature. A local attacker could use this to gain administrative privileges.CVE-2022-0492 Nick Gregory discovered that the Linux kernel incorrectly...

USN-5332-1: Bind vulnerabilities

Xiang Li, Baojun Liu, Chaoyi Lu, and Changgen Zou discovered that Bind incorrectly handled certain bogus NS records when using forwarders. A remote attacker could possibly use this issue to manipulate cache results. CVE-2021-25220 It was discovered that Bind incorrectly handled certain crafted TC...

USN-5313-1: OpenJDK vulnerabilities

It was discovered that OpenJDK incorrectly handled deserialization filters. An attacker could possibly use this issue to insert, delete or obtain sensitive information. CVE-2022-21248 It was discovered that OpenJDK incorrectly read uncompressed TIFF files. An attacker could possibly use this issu...

USN-5137-1: Linux kernel vulnerabilities

It was discovered that the f2fs file system in the Linux kernel did not properly validate metadata in some situations. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service system crash or possibly execute arbitrary code...

USN-5071-3: Linux kernel (Raspberry Pi) vulnerabilities

It was discovered that the KVM hypervisor implementation in the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. An attacker who could start and control a VM could possibly use this to expose sensitive information or execute...

USN-4988-1: ImageMagick vulnerabilities

It was discovered that ImageMagick incorrectly handled certain malformed image files. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or possibly execute code with the privileges of th...

USN-4936-1: 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, or execute arbitrary code. CVE-2021-23968,...

USN-4938-1: Unbound vulnerabilities

It was discovered that Unbound contained multiple security issues. A remote attacker could possibly use these issues to cause a denial of service, inject arbitrary commands, execute arbitrary code, and overwrite local files...