USN-8042-1: FreeRDP vulnerabilities

It was discovered that FreeRDP incorrectly handled memory under certain circumstances, which could lead to a NULL pointer dereference. An attacker could possibly use this issue to cause a denial of service. CVE-2026-23948 It was discovered that FreeRDP did not correctly validate the size of certa...

USN-8022-2: Expat vulnerabilities

USN-8022-1 fixed vulnerabilities in Expat. This update provides the corresponding updates for Ubuntu 24.04 LTS. Original advisory details: It was discovered that Expat incorrectly handled the initialization of parsers for external entities. An attacker could possibly use this issue to cause a...

USN-8025-2: .NET vulnerability

USN 8025-1 fixed a vulnerability in .NET. This update provides the corresponding fix for Ubuntu 24.04 LTS. Original advisory details: Kevin Jones discovered that the System.Security.Cryptography.Cose component in .NET did not properly handle certain missing special elements in input data. An...

USN-8033-4: Linux kernel (AWS) 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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8032-1: AIOHTTP vulnerabilities

Charles Chan discovered that AIOHTTP incorrectly handled the decompression of compressed requests. A remote attacker could possibly use this issue to cause a denial of service. This issue was only addressed in Ubuntu 25.10. CVE-2025-69223 Thomas Rinsma discovered that AIOHTTP incorrectly handled...

USN-8041-1: Dottie vulnerability

Yuhan Gao and Peng Zhou discovered that Dottie was vulnerable to prototype pollution when altering the proto magical attribute. An attacker could possibly use this issue to achieve remote code execution...

USN-7990-4: Linux kernel (Oracle) 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: - Cryptographic API; - Padata parallel execution mechanism; - Netfilter; CVE-2022-49698, CVE-2025-21726, CVE-2025-400...

USN-8040-1: MUNGE vulnerability

Titouan Lazard discovered that MUNGE contained an exploitable buffer overflow in munged the MUNGE authentication daemon. A local attacker could possibly use this issue to forge MUNGE credentials, leading to arbitrary code execution...

USN-8039-1: libpng vulnerability

It was discovered that the libpng simplified API incorrectly handled quantizing RGB images. If a user or automated system were tricked into opening a specially crafted PNG file, an attacker could use this issue to cause libpng to crash, resulting in a denial of service...

USN-8038-1: nginx vulnerability

It was discovered that nginx incorrectly handled proxying to upstream TLS servers. An attacker could possibly use this issue to insert plain text data into the response from an upstream proxied server...

USN-7988-5: Linux kernel (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: - Media drivers; - NVME drivers; - File systems infrastructure; - Timer subsystem; - Memory management; - Packet...

USN-8037-1: DNSdist vulnerabilities

It was discovered that HTTP/2, which is used/vendored by DNSdist, did not properly account for resources when handling client-triggered stream resets. An attacker could possibly use this issue to cause a denial of service. CVE-2025-8671 It was discovered that DNSdist did not properly manage memor...

USN-8036-1: HAProxy vulnerability

Asim Viladi Oglu Manizada discovered that HAProxy incorrectly handled certain INITIAL packets. A remote attacker could possibly use this issue to cause HAProxy to crash, resulting in a denial of service...

USN-8035-1: libpng vulnerabilities

It was discovered that the libpng simplified API incorrectly processed palette PNG images with partial transparency and gamma correction. If a user or automated system were tricked into opening a specially crafted PNG file, an attacker could use this issue to cause libpng to crash, resulting in a...

USN-8034-1: Linux kernel (NVIDIA Tegra) 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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8033-3: Linux kernel (FIPS) 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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8033-2: Linux kernel 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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8033-1: Linux kernel 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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8031-1: Linux kernel (GCP) vulnerabilities

It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity. CVE-2024-36331 Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt...

USN-8028-2: Linux kernel (Real-time) vulnerabilities

It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity. CVE-2024-36331 Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt...

USN-8030-1: Linux kernel (GCP) 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; - Nios II architecture; - PA-RISC architecture; - RISC-V architecture; -...

USN-8029-1: Linux kernel 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; - Nios II architecture; - PA-RISC architecture; - RISC-V architecture; -...

USN-8013-4: Linux kernel 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: - Cryptographic API; - SMB network file system; CVE-2025-38561, CVE-2025-40019...

USN-8015-4: Linux kernel 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: - Cryptographic API; - SMB network file system; - iouring subsystem; CVE-2025-38561, CVE-2025-39698, CVE-2025-40019...

USN-8027-1: Python-Multipart vulnerabilities

It was discovered that Python-Multipart incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause Python-Multipart to consume excessive resources, leading to a regular expression denial of service. This issue only affected Ubuntu 22.04 LTS. CVE-2024-24762...

USN-8028-1: Linux kernel vulnerabilities

It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity. CVE-2024-36331 Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt...

USN-8025-1: .NET vulnerability

Kevin Jones discovered that the System.Security.Cryptography.Cose component in .NET did not properly handle certain missing special elements in input data. An attacker could possibly use this issue to bypass security checks and gain unauthorized access or perform data manipulation...

USN-8024-1: Libwebsockets vulnerabilities

Raffaele Bova discovered that Libwebsockets incorrectly handled memory when the upgrade header is not valid in the WebSocket server. An attacker could possibly use this issue to cause a denial of service. CVE-2025-11677 Raffaele Bova discovered that Libwebsockets did not properly check the size o...

USN-7988-4: Linux kernel (GCP FIPS) 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: - Media drivers; - NVME drivers; - File systems infrastructure; - Timer subsystem; - Memory management; - Packet...

USN-7990-3: Linux kernel (Xilinx ZynqMP) 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: - Cryptographic API; - Padata parallel execution mechanism; - Netfilter; CVE-2022-49698, CVE-2025-21726, CVE-2025-400...

USN-8023-1: xmltok library vulnerabilities

It was discovered that Expat, contained within the xmltok library, incorrectly handled the initialization of parsers for external entities. An attacker could possibly use this issue to cause a denial of service. CVE-2026-24515 It was discovered that Expat, contained within the xmltok library,...

USN-7954-2: Libtasn1 vulnerabilities

USN-7954-1 fixed vulnerabilities in Libtasn1. This update provides the corresponding updates for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. CVE-2021-46848 only affected Ubuntu 14.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was...

USN-7942-2: GLib vulnerabilities

USN-7942-1 fixed vulnerabilities in GLib. This update provides the corresponding updates for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. CVE-2025-3360 only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that GLib...

USN-8022-1: Expat vulnerabilities

It was discovered that Expat incorrectly handled memory when parsing certain XML files. An attacker could possibly use this issue to cause a denial of service. This issue was only addressed in Ubuntu 25.10. CVE-2025-59375 It was discovered that Expat incorrectly handled the initialization of...

USN-8021-1: ImageMagick vulnerability

Benny Isaacs discovered that ImageMagick did not properly manage memory when processing certain image files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code...

USN-8020-1: libsoup vulnerabilities

It was discovered that libsoup did not correctly handle certain URL-decoded input, which could allow for HTTP header injection. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. CVE-2026-1467, CVE-2026-1536 It was discovered that libsoup did n...

USN-8004-2: FreeRDP regression

USN-8004-1 fixed vulnerabilities in FreeRDP. The update for CVE-2026-23533 introduced a regression. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Kim Dong Han discovered that FreeRDP did not correctly validate the size of certain variables, which...

USN-8015-3: Linux kernel (FIPS) 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: - Cryptographic API; - SMB network file system; - iouring subsystem; CVE-2025-38561, CVE-2025-39698, CVE-2025-40019...

USN-7988-3: Linux kernel 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: - Media drivers; - NVME drivers; - File systems infrastructure; - Timer subsystem; - Memory management; - Packet...

USN-8018-1: Python vulnerabilities

Denis Ledoux discovered that Python incorrectly parsed email message headers. An attacker could possibly use this issue to inject arbitrary headers into email messages. This issue only affected python3.6, python3.7, python3.8, python3.9, python3.10, python3.11, python3.12, python3.13, and...

USN-8019-1: tracker-miners vulnerabilities

Fatih Çelik discovered that tracker-miners incorrectly handled certain malformed MP3 files. An attacker could use this issue to cause tracker-miners to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-8017-1: GLib vulnerabilities

It was discovered that GLib incorrectly parsed large Base64 data. An attacker could use this issue to cause GLib to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2026-1484 It was discovered that GLib incorrectly parsed certain treemagic files. An attacker could...

USN-8015-2: Linux kernel (Real-time) 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: - Cryptographic API; - SMB network file system; - iouring subsystem; CVE-2025-38561, CVE-2025-39698, CVE-2025-40019...

USN-8016-1: Linux kernel (NVIDIA) 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: - Cryptographic API; - SPI subsystem; - SMB network file system; - iouring subsystem; CVE-2025-38561, CVE-2025-39698,...

USN-8013-3: Linux kernel (Real-time) 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: - Cryptographic API; - SMB network file system; CVE-2025-38561, CVE-2025-40019...

USN-8013-2: Linux kernel (FIPS) 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: - Cryptographic API; - SMB network file system; CVE-2025-38561, CVE-2025-40019...

USN-8015-1: Linux kernel 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: - Cryptographic API; - SMB network file system; - iouring subsystem; CVE-2025-38561, CVE-2025-39698, CVE-2025-40019...

USN-8014-1: Linux kernel 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: - Cryptographic API; - Unix domain sockets; CVE-2025-40019, CVE-2025-40214...

USN-8013-1: Linux kernel 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: - Cryptographic API; - SMB network file system; CVE-2025-38561, CVE-2025-40019...

USN-8012-1: GitHub CLI vulnerabilities

It was discovered that GitHub CLI could behave unexpectedly if users downloaded a malicious GitHub Actions workflow artifact through gh run download. An attacker could possibly use this issue to create or overwrite files in unintended directories. CVE-2024-54132 It was discovered that GitHub CLI...