USN-8056-1: U-Boot vulnerabilities

Simon Diepold discovered that U-Boot incorrectly handled certain DHCP responses. An attacker on the local network could possibly use this issue to obtain sensitive memory contents. CVE-2024-42040 It was discovered that U-Boot incorrectly handled symlink size calculations in squashfs file systems...

USN-8055-1: Evolution Data Server vulnerability

It was discovered that Evolution Data Server incorrectly handled removing local cache files. An attacker could possibly use this issue to cause Evolution Data Server to remove arbitrary files...

USN-8054-1: DjVuLibre vulnerabilities

It was discovered that DjVuLibre could be forced to execute a division by zero in certain instances. A remote attacker could possibly use this issue to cause applications to stop responding or crash, resulting in a denial of service. CVE-2021-46312 It was discovered that DjVuLibre incorrectly...

USN-8015-5: 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-7990-5: 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: - Cryptographic API; - Padata parallel execution mechanism; - Netfilter; CVE-2022-49698, CVE-2025-21726, CVE-2025-400...

USN-8033-8: Linux kernel (Intel IoTG) 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-8053-1: libvpx vulnerability

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-8028-7: Linux kernel (Low Latency NVIDIA) 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-8033-7: 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-8052-1: Linux kernel (Low Latency) 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-8031-3: 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-8028-6: Linux kernel (HWE) 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-7992-2: Inetutils vulnerability

USN-7992-1 fixed vulnerabilities in telnetd in Inetutils. This update provides the corresponding update for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: Kyu Neushwaistein discovered that telnetd in Inetutils incorrectly handled certain environment variables...

USN-8050-1: Apache Traffic Server vulnerability

Masakazu Kitajo discovered that Apache Traffic Server did not properly handle the Valid Host header field. An attacker could possibly use this issue to cause a denial of service DoS...

USN-8051-1: libssh vulnerabilities

It was discovered that libssh clients incorrectly handled the key exchange process. A remote attacker could possibly use this issue to cause libssh clients to crash, resulting in a denial of service. CVE-2025-8277 It was discovered that the libssh SCP client incorrectly sanitized paths received...

USN-8031-2: Linux kernel (GCP FIPS) 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-8049-1: Nova vulnerability

Dan Smith discovered that Nova incorrectly called qemu-img without a format restriction when resizing disks. An attacker could possibly use this issue to destroy data on the host system...

USN-8033-6: 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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8028-5: 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-8048-1: Linux kernel (OEM) 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-8034-2: Linux kernel (NVIDIA Tegra IGX) 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-8033-5: 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-8028-4: Linux kernel (FIPS) 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-8028-3: 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-8047-1: Pillow vulnerability

Yarden Porat discovered that Pillow incorrectly handled certain malformed PSD images. An attacker could use this issue to cause Pillow to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-8029-2: 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: - ARM64 architecture; - MIPS architecture; - Nios II architecture; - PA-RISC architecture; - RISC-V architecture; -...

USN-8046-1: FRR vulnerabilities

It was discovered that FRR incorrectly handled certain malformed OSPF and update packets. A remote attacker could possibly use these issues to cause FRR to crash, resulting in a denial of service...

USN-8044-1: alsa-lib vulnerability

It was discovered that alsa-lib incorrectly handled the topology mixer control decoder. A local attacker could use a specially crafted topology file to cause alsa-lib to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-8043-1: GnuTLS vulnerabilities

Tim Scheckenbach discovered that GnuTLS incorrectly handled malicious certificates containing a large number of name constraints and subject alternative names. A remote attacker could possibly use this issue to cause GnuTLS to consume resources, resulting in a denial of service. CVE-2025-14831...

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; -...