Ubuntu Security Advisories

USN-8089-1 fixed vulnerabilities in Go Networking. This update provides the corresponding update to code vendored in LXD, ADSys, and Juju Core. Original advisory details: 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 LTS. (CVE-2022-27664) Arpad Ryszka and Jakob Ackermann discovered that a maliciously crafted stream could cause excessive CPU usage in Go Networking's HPACK decoder. An attacker could possibly use this to cause a denial of service. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-41723) Mohammad Thoriq Aziz discovered that Go Networking did not properly sanitize some text nodes. An attacker could possibly use this to execute arbitrary code. This issue only affected Ubuntu 22.04 LTS. (CVE-2023-3978) Sean Ng discovered an error in Go Networking's HTML tag handling. An attacker could possibly use this to cause a denial of service. (CVE-2025-22872) Guido Vranken and Jakub Ciolek discovered that a maliciously crafted HTML document could exhaust system resources on servers using Go Networking. An attacker could possibly use this to cause a denial of service. (CVE-2025-47911) Guido Vranken discovered that a maliciously crafted HTML document could put servers using Go Networking into an infinite loop. An attacker could possibly use this to cause a denial of service. (CVE-2025-58190)

Seokchan Yoon discovered that Django incorrectly handled copying memory when parsing multipart uploads with excessive whitespace. A remote attacker could possibly use this issue to cause Django to use excessive resources, leading to a denial of service. (CVE-2026-33033) It was discovered that Django did not enforce an upload memory size limit in the Content-Length header. A remote attacker could possibly use this issue to cause Django to use excessive resources, leading to a denial of service. This issue only affected Ubuntu 24.04 LTS and Ubuntu 25.10. (CVE-2026-33034) Tarek Nakkouch discovered that Django incorrectly handled underscores in the ASGI headers. A remote attacker could possibly use this issue to spoof HTTP headers. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 25.10. (CVE-2026-3902) It was discovered that Django incorrectly handled verification of model data created with POST requests. A remote attacker could possibly use this issue to forge new model permissions. (CVE-2026-4277, CVE-2026-4292)

Zach Malone discovered that Salt did not properly handle permissions to cache data. A local attacker could possibly use this issue to obtain sensitive information. (CVE-2015-8034) Dylan Frese discovered that Salt incorrectly allowed users to specify PAM service. An attacker could possibly use this issue to bypass authentication. (CVE-2016-3176)

It was discovered that some AMD Zen 5 processors supporting RDSEED instruction did not properly handle entropy, potentially resulting in the consumption of insufficiently random values. A local attacker could possibly use this issue to influence the values returned by the RDSEED instruction causing loss of confidentiality and integrity. (CVE-2025-62626) 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 privilege escalation, or possibly escape a container. (LP: #2143853, CVE-2026-23268, CVE-2026-23269, CVE-2026-23403, CVE-2026-23404, CVE-2026-23405, CVE-2026-23406, CVE-2026-23407, CVE-2026-23408, CVE-2026-23409, CVE-2026-23410, CVE-2026-23411) 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; - S390 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - Compute Acceleration Framework; - ATM drivers; - Network block device driver; - Bluetooth drivers; - Data acquisition framework and drivers; - Hardware crypto device drivers; - Device frequency scaling framework; - Intel Stratix 10 firmware drivers; - GPIO subsystem; - GPU drivers; - Microsoft Hyper-V drivers; - CoreSight HW tracing drivers; - IIO subsystem; - InfiniBand drivers; - Input Device core drivers; - Input Device (Tablet) drivers; - IOMMU subsystem; - IRQ chip drivers; - Macintosh device drivers; - Multiple devices driver; - MOST (Media Oriented Systems Transport) drivers; - MTD block device drivers; - Network drivers; - Mellanox network drivers; - Texas Instruments network drivers; - Ethernet team driver; - MediaTek network drivers; - NVME drivers; - Pin controllers subsystem; - x86 platform drivers; - Voltage and Current Regulator drivers; - Real Time Clock drivers; - S/390 drivers; - SCSI subsystem; - Texas Instruments SoC drivers; - SPI subsystem; - Media Oriented Systems Transport (MOST) driver; - Realtek RTL8723BS SDIO drivers; - TCM subsystem; - UFS subsystem; - DesignWare USB3 driver; - USB Gadget drivers; - Renesas USBHS Controller drivers; - USB Mass Storage drivers; - USB Type-C Connector System Software Interface driver; - Backlight driver; - Framebuffer layer; - AFS file system; - BFS file system; - BTRFS file system; - EROFS file system; - Ext4 file system; - FAT file system; - GFS2 file system; - Journaling layer for block devices (JBD2); - File systems infrastructure; - Network file system (NFS) client; - NTFS3 file system; - OCFS2 file system; - SMB network file system; - XFS file system; - BPF subsystem; - MediaTek SoC drivers; - Bluetooth subsystem; - io_uring subsystem; - Locking primitives; - Scheduler infrastructure; - Timer subsystem; - Tracing infrastructure; - Kexec HandOver (KHO); - Memory management; - Ceph Core library; - Networking core; - Devlink API; - IPv4 networking; - IPv6 networking; - Multipath TCP; - Netfilter; - Open vSwitch; - Network traffic control; - VMware vSockets driver; - eXpress Data Path; - Integrity Measurement Architecture(IMA) framework; - Simplified Mandatory Access Control Kernel framework; - FireWire sound drivers; - HD-audio driver; - Turtle Beach Wavefront ALSA driver; - SoundWire (SDCA) ASoC drivers; (CVE-2025-40246, CVE-2025-40247, CVE-2025-40248, CVE-2025-40249, CVE-2025-40250, CVE-2025-40251, CVE-2025-40252, CVE-2025-40253, CVE-2025-40254, CVE-2025-40255, CVE-2025-40257, CVE-2025-40258, CVE-2025-40259, CVE-2025-40260, CVE-2025-40261, CVE-2025-40262, CVE-2025-40263, CVE-2025-40264, CVE-2025-40265, CVE-2025-40266, CVE-2025-40290, CVE-2025-40345, CVE-2025-68212, CVE-2025-68213, CVE-2025-68214, CVE-2025-68215, CVE-2025-68217, CVE-2025-68218, CVE-2025-68219, CVE-2025-68220, CVE-2025-68221, CVE-2025-68222, CVE-2025-68223, CVE-2025-68225, CVE-2025-68227, CVE-2025-68228, CVE-2025-68229, CVE-2025-68230, CVE-2025-68231, CVE-2025-68232, CVE-2025-68233, CVE-2025-68234, CVE-2025-68235, CVE-2025-68236, CVE-2025-68237, CVE-2025-68238, CVE-2025-68254, CVE-2025-68255, CVE-2025-68256, CVE-2025-68257, CVE-2025-68258, CVE-2025-68259, CVE-2025-68261, CVE-2025-68262, CVE-2025-68263, CVE-2025-68264, CVE-2025-68265, CVE-2025-68266, CVE-2025-68281, CVE-2025-68282, CVE-2025-68283, CVE-2025-68284, CVE-2025-68285, CVE-2025-68286, CVE-2025-68287, CVE-2025-68288, CVE-2025-68289, CVE-2025-68290, CVE-2025-68292, CVE-2025-68293, CVE-2025-68294, CVE-2025-68295, CVE-2025-68296, CVE-2025-68297, CVE-2025-68298, CVE-2025-68299, CVE-2025-68300, CVE-2025-68301, CVE-2025-68302, CVE-2025-68303, CVE-2025-68304, CVE-2025-68305, CVE-2025-68306, CVE-2025-68307, CVE-2025-68308, CVE-2025-68323, CVE-2025-68324, CVE-2025-68325, CVE-2025-68326, CVE-2025-68327, CVE-2025-68328, CVE-2025-68329, CVE-2025-68330, CVE-2025-68331, CVE-2025-68332, CVE-2025-68333, CVE-2025-68334, CVE-2025-68335, CVE-2025-68336, CVE-2025-68337, CVE-2025-68338, CVE-2025-68339, CVE-2025-68340, CVE-2025-68341, CVE-2025-68342, CVE-2025-68343, CVE-2025-68344, CVE-2025-68345, CVE-2025-68346, CVE-2025-68347, CVE-2025-68348, CVE-2025-68349, CVE-2025-68352, CVE-2025-68354, CVE-2025-68356, CVE-2025-68358, CVE-2025-68359, CVE-2025-68360, CVE-2025-68361, CVE-2025-68362, CVE-2025-68363, CVE-2025-68364, CVE-2025-68366, CVE-2025-68367, CVE-2025-68369, CVE-2025-68370, CVE-2025-68371, CVE-2025-68372, CVE-2025-68373, CVE-2025-68374, CVE-2025-68375, CVE-2025-68376, CVE-2025-68378, CVE-2025-68379, CVE-2025-68380, CVE-2025-68724, CVE-2025-68726, CVE-2025-68727, CVE-2025-68728, CVE-2025-68729, CVE-2025-68730, CVE-2025-68732, CVE-2025-68733, CVE-2025-68735, CVE-2025-68738, CVE-2025-68739, CVE-2025-68740, CVE-2025-68741, CVE-2025-68742, CVE-2025-68743, CVE-2025-68744, CVE-2025-68746, CVE-2025-68747, CVE-2025-68748, CVE-2025-68749, CVE-2025-68751, CVE-2025-68752, CVE-2025-68753, CVE-2025-68754, CVE-2025-68755, CVE-2025-68756, CVE-2025-68757, CVE-2025-68758, CVE-2025-68759, CVE-2025-68760, CVE-2025-68762, CVE-2025-68763, CVE-2025-68764, CVE-2025-68765, CVE-2025-68766, CVE-2025-71128, CVE-2026-23060, CVE-2026-23074, CVE-2026-23111)

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: - Cryptographic API; - Netfilter; - Network traffic control; (CVE-2026-23060, CVE-2026-23074, CVE-2026-23111)

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; - Cryptographic API; - UDF file system; - NFC subsystem; - Network traffic control; (CVE-2024-46777, CVE-2025-21735, CVE-2025-37849, CVE-2026-23060, CVE-2026-23074)

It was discovered that lambdaisland/uri did not properly sanitize the backslash character in URI strings. An attacker could possibly use this issue to bypass security checks or redirect users.

It was discovered that SPIP did not properly sanitize certain inputs. A remote attacker could possibly use this issue to perform cross site scripting. (CVE-2022-28959) It was discovered that SPIP did not properly sanitize certain inputs. A remote attacker could possibly use this issue to perform PHP injection attacks. (CVE-2022-28960) It was discovered that SPIP did not properly sanitize certain inputs. A remote attacker could possibly use this issue to perform SQL injection attacks. (CVE-2022-28961)

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: - Cryptographic API; - Netfilter; - Network traffic control; (CVE-2026-23060, CVE-2026-23074, CVE-2026-23111)

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: - Cryptographic API; - Netfilter; - Network traffic control; (CVE-2026-23060, CVE-2026-23074, CVE-2026-23111)

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; - Cryptographic API; - UDF file system; - NFC subsystem; - Network traffic control; (CVE-2024-46777, CVE-2025-21735, CVE-2025-37849, CVE-2026-23060, CVE-2026-23074)

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: - Cryptographic API; - GPU drivers; - BTRFS file system; - GFS2 file system; - UDF file system; - NFC subsystem; - Network traffic control; (CVE-2021-47142, CVE-2021-47145, CVE-2021-47254, CVE-2024-46777, CVE-2025-21735, CVE-2026-23060, CVE-2026-23074)

Daniel Novomeský discovered that libjxl did not properly manage memory when decoding certain files. An attacker could use this issue to cause libjxl to crash, resulting in denial of service, or possibly execute arbitrary code.

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: - Cryptographic API; - Netfilter; - Network traffic control; (CVE-2026-23060, CVE-2026-23074, CVE-2026-23111)

It was discovered that libarchive incorrectly handled certain archive files. An attacker could possibly use this issue to access sensitive information. This issue only affected Ubuntu 14.04 LTS. (CVE-2019-19221) It was discovered that libarchive incorrectly handled certain RAR archive files. If a user or automated system were tricked into processing a specially crafted RAR archive, an attacker could possibly use this issue to cause libarchive to crash, resulting in a denial of service, or execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2024-20696) It was discovered that libarchive incorrectly handled certain RAR archive files. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2025-5914) It was discovered that libarchive incorrectly handled certain WARC archive files. If a user or automated system were tricked into processing a specially crafted WARC archive, an attacker could possibly use this issue to cause libarchive to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2025-5916) It was discovered that libarchive incorrectly handled certain file names when handling prefixes and suffixes. An attacker could possibly use this issue to cause libarchive to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2025-5917) It was discovered that libarchive could read past the end of file streams when processing input to bsdtar. An attacker could possibly use this issue to cause memory corruption or a denial of service. (CVE-2025-5918) It was discovered that libarchive incorrectly handled certain TAR archive files. If a user or automated system were tricked into processing a specially crafted TAR archive, an attacker could possibly use this issue to cause libarchive to crash, resulting in a denial of service, or execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2025-25724) HyungJung Joo discovered that libarchive did not properly limit memory allocation when processing substitution rules in bsdtar. An attacker could possibly use this issue to cause excessive memory consumption, leading to a denial of service. (CVE-2025-60753) Elhanan Haenel discovered that libarchive could enter an infinite loop when processing crafted RAR5 archives. An attacker could possibly use this issue to cause excessive CPU consumption, leading to a denial of service. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and Ubuntu 25.10. (CVE-2026-4111)

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: - Cryptographic API; - Netfilter; - Network traffic control; (CVE-2026-23060, CVE-2026-23074, CVE-2026-23111)

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; - Cryptographic API; - UDF file system; - NFC subsystem; - Network traffic control; (CVE-2024-46777, CVE-2025-21735, CVE-2025-37849, CVE-2026-23060, CVE-2026-23074)

It was discovered that Undertow incorrectly validated the Host header in incoming HTTP requests. A remote attacker could possibly use this issue to gain unintended access to user sessions.

Alberto Garcia, Francisco Oca and Suleman Ali discovered that Cairo did not properly manage memory. An attacker could possibly use this issue to cause Cairo to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2017-9814) It was discovered that Cairo incorrectly handled certain angle values when drawing arcs. An attacker could possibly use this issue to cause Cairo to crash, resulting in a denial of service. (CVE-2019-6461) It was discovered that Cairo incorrectly handled certain calculations when drawing arcs. An attacker could possibly use this issue to cause Cairo to consume resources, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2019-6462) Stephan Bergmann discovered that Cairo incorrectly managed memory during image composition. An attacker could use this issue to cause Cairo to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-35492)

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: - Cryptographic API; - GPU drivers; - BTRFS file system; - GFS2 file system; - UDF file system; - NFC subsystem; - Network traffic control; (CVE-2021-47142, CVE-2021-47145, CVE-2021-47254, CVE-2024-46777, CVE-2025-21735, CVE-2026-23060, CVE-2026-23074)