USN-5342-1 python2.7, python3.4, python3.5, python3.6, python3.8 vulnerabilities

David Schwörer discovered that Python incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information. This issue only affected Ubuntu 18.04 LTS. CVE-2021-3426 It was discovered that Python incorrectly handled certain FTP requests. An attacker could...

USN-5208-1 linux, linux-aws, linux-aws-5.11, linux-azure, linux-azure-5.11, linux-gcp, linux-gcp-5.11, linux-hwe-5.11, linux-kvm, linux-oracle, linux-oracle-5.11, linux-raspi vulnerabilities

Nadav Amit discovered that the hugetlb implementation in the Linux kernel did not perform TLB flushes under certain conditions. A local attacker could use this to leak or alter data from other processes that use huge pages. CVE-2021-4002 It was discovered that a race condition existed in the...

USN-5204-1 python-django vulnerabilities

Chris Bailey discovered that Django incorrectly handled evaluating submitted passwords. A remote attacker could possibly use this issue to consume resources, resulting in a denial of service. CVE-2021-45115 Dennis Brinkrolf discovered that Django incorrectly handled the dictsort template filter. ...

USN-5051-3 openssl1.0 vulnerability

USN-5051-1 fixed a vulnerability in OpenSSL. This update provides the corresponding update for the openssl1.0 package in Ubuntu 18.04 LTS. Original advisory details: Ingo Schwarze discovered that OpenSSL incorrectly handled certain ASN.1 strings. A remote attacker could use this issue to cause...

USN-4796-1 nodejs vulnerabilities

Alexander Minozhenko and James Bunton discovered that Node.js did not properly handle wildcards in name fields of X.509 TLS certificates. An attacker could use this vulnerability to execute a machine-in-the-middle- attack. This issue only affected Ubuntu 14.04 ESM and 16.04 ESM. CVE-2016-7099 It...

USN-4694-1 linux, linux-hwe, linux-hwe-5.4, linux-hwe-5.8, linux-lts-xenial vulnerability

It was discovered that the LIO SCSI target implementation in the Linux kernel performed insufficient identifier checking in certain XCOPY requests. An attacker with access to at least one LUN in a multiple backstore environment could use this to expose sensitive information or modify data...

USN-3671-1 git vulnerabilities

Etienne Stalmans discovered that git did not properly validate git submodules files. A remote attacker could possibly use this to craft a git repo that causes arbitrary code execution when "git clone --recurse-submodules" is used. CVE-2018-11235 It was discovered that an integer overflow existed ...

USN-3582-2 linux-lts-xenial, linux-aws vulnerabilities

USN-3582-1 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 LTS. Mohamed Ghannam discovered that the IPv4 raw socket implementation in the Linux kernel...

USN-3361-1 linux-hwe vulnerabilities

USN-3358-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS. Please note that this update changes the Linux HWE kernel to the 4.10 based kernel from Ubuntu...

USN-2743-3 unity-firefox-extension, webapps-greasemonkey, webaccounts-browser-extension update

USN-2743-1 fixed vulnerabilities in Firefox. Future Firefox updates will require all addons be signed and unity-firefox-extension, webapps-greasemonkey and webaccounts-browser-extension will not go through the signing process. Because these addons currently break search engine installations LP:...

USN-8488-2 linux-raspi vulnerabilities

It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 Several security issues were discovered in the Linux kernel. An attacker could...

USN-8493-1 linux, linux-aws, linux-aws-5.15, linux-aws-fips, linux-azure, linux-azure-5.15, linux-azure-fde-5.15, linux-fips, linux-gcp, linux-gcp-fips, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-intel-iot-realtime, linux-intel-iotg, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-nvidia-tegra-igx, linux-oracle, linux-realtime 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: - RISC-V architecture; - Cryptographic API; - InfiniBand drivers; - IOMMU subsystem; - Network drivers; -...

USN-8492-1 linux, linux-aws, linux-aws-fips, linux-gcp, linux-gcp-fips, linux-ibm, linux-nvidia, linux-nvidia-6.8, linux-oracle, linux-realtime, linux-realtime-6.8 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; - MIPS architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; -...

USN-8401-1 netty vulnerabilities

It was discovered that Netty's HTTP proxy handler did not properly validate headers when constructing CONNECT requests. An attacker could possibly use this issue to inject arbitrary HTTP headers into CONNECT requests. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS,...

USN-8388-1 linux, linux-aws, linux-aws-5.15, linux-aws-fips, linux-fips, linux-gcp, linux-gcp-5.15, linux-gcp-fips, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-intel-iot-realtime, linux-intel-iotg, linux-kvm, linux-nvidia, linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-nvidia-tegra-igx, linux-oracle, linux-raspi, linux-realtime vulnerabilities

It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker...

USN-8361-1 linux-aws, linux-lts-xenial vulnerability

A security issue was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystem: - Packet sockets; CVE-2026-31504...

USN-8278-1 linux, linux-aws, linux-aws-fips, linux-gcp, linux-gcp-fips, linux-gke, linux-gkeop, linux-ibm, linux-ibm-6.8, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-raspi, linux-raspi-realtime, linux-realtime, linux-realtime-6.8 vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

USN-8254-1 linux, linux-aws, linux-aws-6.8, linux-aws-fips, linux-fips, linux-gcp, linux-gcp-fips, linux-gke, linux-gkeop, linux-hwe-6.8, linux-ibm, linux-ibm-6.8, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-oracle, linux-oracle-6.8, linux-raspi, linux-raspi-realtime, linux-realtime, linux-realtime-6.8 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: - Network drivers; - NVME drivers; - Netfilter; CVE-2026-23112, CVE-2026-23231, CVE-2026-23273...

USN-8196-1 strongswan vulnerabilities

Haruto Kimura discovered that strongSwan incorrectly handled the supportedversions extension in TLS. A remote attacker could possibly use this issue to cause strongSwan to stop responding, resulting in a denial of service. CVE-2026-35328 Haruto Kimura discovered that strongSwan incorrectly handle...

USN-8186-1 linux-intel-iot-realtime, linux-realtime 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; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...

USN-8089-2 golang-golang-x-net-dev vulnerabilities

USN-8089-1 fixed vulnerabilities in Go Networking. This update provides the corresponding update to code vendored in golang-golang-x-net-dev. Original advisory details: Bahruz Jabiyev, Tommaso Innocenti, Anthony Gavazzi, Steven Sprecher, and Kaan Onarlioglu discovered that servers using Go...

USN-8134-1 pyasn1 vulnerabilities

It was discovered that pyasn1 could exhaust system resources when attempting to decode a malformed certificate. An attacker could possibly use this to cause a denial of service. CVE-2026-23490 Kevin Tu discovered that pyasn1 could exhaust system resources via uncontrolled recursion when attemptin...

USN-8121-1 linux-aws-fips vulnerability

Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information kernel memory, local...

USN-8089-1 golang-golang-x-net vulnerabilities

Bahruz Jabiyev, Tommaso Innocenti, Anthony Gavazzi, Steven Sprecher, and Kaan Onarlioglu discovered that servers using Go Networking could hang during shutdown if preempted by a fatal error. An attacker could possibly use this to cause a denial of service. This issue only affected Ubuntu 22.04 LT...

USN-8076-1 qtbase-opensource-src vulnerabilities

It was discovered that Qt did not correctly handle OpenSSL's error queue. An attacker could possibly use this issue to cause a denial of service. This issue was only addressed in Ubuntu 20.04 LTS. CVE-2020-13962 It was discovered that Qt incorrectly handled certain XBM image files. If a user or...

USN-7835-6 linux-aws-6.8 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; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

USN-7792-1 linux, linux-aws, linux-gcp, linux-gcp-6.8, linux-gke, linux-gkeop, linux-ibm, linux-ibm-6.8, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency 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: - Ext4 file system; - Packet sockets; - Network traffic control; - TLS protocol; - VMware vSockets driver; - XFRM...

USN-7789-1 linux-oracle-6.14 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; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - ACP...

USN-7768-1 dpkg vulnerability

It was discovered that dpkg incorrectly handled removing certain temporary directories. An attacker could possibly use this issue to consume disk space, leading to a denial of service...

USN-7724-1 linux-oem-6.14 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: - Thunderbolt and USB4 drivers; - Network traffic control; CVE-2025-38350, CVE-2025-38174...

USN-7654-2 linux-intel-iot-realtime, linux-realtime 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: - PA-RISC architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; -...

USN-7451-1 linux-aws-6.8 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; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; - Supe...

USN-7439-1 quickjs vulnerabilities

It was discovered that QuickJS could be forced to reference uninitialized memory in certain instances. An attacker could possibly use this issue to cause QuickJS to crash, resulting in a denial of service, or execute arbitrary code. CVE-2023-48183 It was discovered that QuickJS incorrectly manage...

USN-7382-1 linux-oem-6.11 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; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; - x86...

USN-7297-1 ProFTPD vulnerabilities

Fabian Bäumer, Marcus Brinkmann, and Jörg Schwenk discovered that the transport protocol implementation in ProFTPD had weak integrity checks. An attacker could use this vulnerability to bypass security features like encryption and integrity checks. CVE-2023-48795 Martin Mirchev discovered that...

USN-7176-1 gst-plugins-good1.0 vulnerabilities

Antonio Morales discovered that GStreamer Good Plugins incorrectly handled certain malformed media files. An attacker could use these issues to cause GStreamer Good Plugins to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-7053-1 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 potentially leak sensitive information. These...

USN-7043-2 cups-filters vulnerability

USN-7043-1 fixed a vulnerability in cups-filters. This update provides the corresponding update for Ubuntu 18.04 LTS. Original advisory details: Simone Margaritelli discovered that the cups-filters cups-browsed component could be used to create arbitrary printers from outside the local network. I...

USN-7008-1 linux-lowlatency-hwe-6.8 vulnerabilities

Chenyuan Yang discovered that the CEC driver driver 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-2024-23848 It was discovered that the JFS file system contained an...

USN-6951-2 linux-azure 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-6822-1 nodejs vulnerabilities

It was discovered that Node.js incorrectly handled certain inputs when it is using the policy mechanism. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to bypass the policy mechanism. CVE-2023-32002,...

USN-6766-2 linux-hwe-5.15, linux-raspi 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-6633-1 bind9 vulnerabilities

Shoham Danino, Anat Bremler-Barr, Yehuda Afek, and Yuval Shavitt discovered that Bind incorrectly handled parsing large DNS messages. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service. CVE-2023-4408 Elias Heftrig, Haya Schulmann,...

USN-6601-1 linux vulnerability

It was discovered that the IGMP protocol implementation in the Linux kernel contained a race condition, 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...

USN-6502-1 linux, linux-aws, linux-aws-6.2, linux-hwe-6.2, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-6.2, linux-raspi, linux-starfive vulnerabilities

Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not properly check for zero-length STAG or MR registration. A remote attacker could possibly use this to execute arbitrary code. CVE-2023-25775 Yu Hao discover...

USN-6424-1 ruby-kramdown vulnerability

It was discovered that kramdown did not restrict Rouge formatters to the correct namespace. An attacker could use this issue to cause kramdown to execute arbitrary code...

USN-6403-1 libvpx vulnerabilities

It was discovered that libvpx did not properly handle certain malformed media files. If an application using libvpx opened a specially crafted file, a remote attacker could cause a denial of service, or possibly execute arbitrary code...

USN-6400-1 python2.7, python3.5 vulnerability

It was discovered that Python did not properly provide constant-time processing for a crypto operation. An attacker could possibly use this issue to perform a timing attack and recover sensitive information...

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-5982-1 linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-azure-fde, linux-gcp, linux-gcp-5.15, linux-gkeop, linux-hwe-5.15, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-oracle, linux-oracle-5.15, linux-raspi vulnerabilities

It was discovered that the KVM VMX implementation in the Linux kernel did not properly handle indirect branch prediction isolation between L1 and L2 VMs. An attacker in a guest VM could use this to expose sensitive information from the host OS or other guest VMs. CVE-2022-2196 It was discovered...