11486 matches found
USN-8870-1: OpenStack Aodh and Watcher vulnerability
Chen YuXiang discovered that OpenStack Aodh did not correctly enforce project scoping in its alarm list API and that the OpenStack Watcher webhook trigger endpoint did not apply authorization. An attacker could possibly use this issue to access sensitive alarm metadata or trigger unauthorized...
USN-8871-1: Linux kernel (Raspberry Pi) vulnerabilities
It was discovered that some Arm processors could complete a broadcast translation lookaside buffer TLB invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to memory after permission to do so had been...
USN-8851-3: 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: - Network file system NFS server daemon; - IPv6 networking; - Netfilter; CVE-2025-38724, CVE-2026-53131, CVE-2026-532...
USN-8868-1: LibreOffice vulnerabilities
It was discovered that LibreOffice incorrectly handled WMF image imports. An attacker could possibly use this issue to cause LibreOffice to crash, resulting in a denial of service, or execute arbitrary code. CVE-2026-63272 It was discovered that LibreOffice incorrectly handled PDF document import...
USN-8867-1: Ceph vulnerability
It was discovered that the Ceph Object Gateway RGW SigV4 handler did not reject requests carrying x-amz- headers that were absent from the signed header set. An attacker holding a presigned URL could possibly use this issue to attach arbitrary unsigned x-amz- headers that RGW would honor, allowin...
USN-8865-1: EDK II vulnerabilities
It was discovered that EDK II incorrectly handled CMS key unwrapping in the embedded OpenSSL library. An attacker could possibly use this issue to cause a heap buffer overflow, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu...
USN-8864-1: 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: - Network file system NFS server daemon; - IPv6 networking; - Netfilter; CVE-2025-38724, CVE-2026-53131, CVE-2026-532...
USN-8816-4: Linux kernel (GKE) 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; - S390 architecture; - x86 architecture; - DRBD Distributed Replicated Block Device drivers; -...
USN-8818-6: Linux kernel (FIPS) vulnerabilities
It was discovered that some Arm processors could complete a broadcast translation lookaside buffer TLB invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to memory after permission to do so had been...
USN-8851-2: Linux kernel (Raspberry Pi) 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 file system NFS server daemon; - IPv6 networking; - Netfilter; CVE-2025-38724, CVE-2026-53131, CVE-2026-532...
USN-8863-1: GStreamer Good Plugins vulnerabilities
Yazan Balawneh discovered that GStreamer Good Plugins incorrectly handled certain FLAC audio streams. An attacker could possibly use this issue to obtain sensitive information. CVE-2026-17072 Seonwook Kim discovered that GStreamer Good Plugins incorrectly parsed certain AVI files. An attacker cou...
USN-8862-1: libXpm vulnerability
It was discovered that libXpm did not correctly handle XPM images with zero-dimension values. A local attacker could possibly use this issue to cause libXpm to use excessive resources, leading to a denial of service...
USN-8861-1: OpenSSL vulnerabilities
It was discovered that OpenSSL had an inefficient algorithm in its QUIC stream reassembly implementation. A remote attacker could possibly use this issue to cause OpenSSL to use excessive CPU resources, leading to a denial of service. CVE-2026-42772 It was discovered that OpenSSL did not properly...
USN-8860-1: OpenStack Designate vulnerability
It was discovered that OpenStack Designate did not properly validate overlapping zones under certain circumstances. An authenticated user could possibly use this issue to redirect DNS traffic to attacker-controlled systems or cause a denial of service...
USN-8857-1: KCoreAddons vulnerability
It was discovered that KCoreAddons incorrectly handled shell argument quoting in KShell::quoteArgs. The parsing did not adequately handle shell metacharacters, which could lead to a shell escape. An attacker could possibly use this issue to execute arbitrary commands in applications that relied o...
USN-8858-1: Authen::SASL vulnerability
It was discovered that Authen::SASL, a Perl authentication library, did not properly validate login attempts. An attacker could possibly use this issue to gain unauthorized access...
USN-8859-1: ImageMagick vulnerabilities
It was discovered that ImageMagick did not correctly handle certain images. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS...
USN-8855-1: GStreamer Bad Plugins vulnerability
It was discovered that GStreamer Bad Plugins incorrectly validated the size of multi-channel audio blocks. An attacker could possibly use this issue with a specially crafted WAV file to cause the program to crash, resulting in a denial of service, or possibly execute arbitrary code...
USN-8856-1: Kdenlive, MLT vulnerability
It was discovered that Kdenlive allowed dangerous proxy parameters when processing attacker-controlled project files. An attacker could use this to execute arbitrary commands via the MLT framework's ante/post consumer properties...
USN-8845-1: GVfs vulnerabilities
Keith Linneman discovered that GVfs did not properly validate data received from SFTP servers. An attacker could possibly use this issue to cause a heap buffer overflow, resulting in arbitrary code execution or a denial of service. CVE-2026-84268 It was discovered that GVfs incorrectly handled fi...
USN-8817-3: Linux kernel (AWS) vulnerabilities
It was discovered that some Arm processors could complete a broadcast translation lookaside buffer TLB invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to memory after permission to do so had been...
USN-8816-3: 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: - ARM64 architecture; - S390 architecture; - x86 architecture; - DRBD Distributed Replicated Block Device drivers; -...
USN-8818-5: Linux kernel (NVIDIA Tegra) vulnerabilities
It was discovered that some Arm processors could complete a broadcast translation lookaside buffer TLB invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to memory after permission to do so had been...
USN-8854-1: OpenStack Keystone vulnerabilities
Grzegorz Grasza discovered that OpenStack Keystone did not consistently enforce restrictions for delegated authentication tokens. An authenticated attacker could possibly use this issue to create credentials or delegations that outlasted the delegated token. CVE-2026-80182 It was discovered that...
USN-8853-1: OpenSBI vulnerability
It was discovered that OpenSBI did not properly validate the counter index mask in SBI PMU extension requests. An attacker could use this issue to cause a denial of service...
USN-8852-1: OpenVPN vulnerabilities
It was discovered that OpenVPN had a use-after-free vulnerability in its TLS session handling. An attacker could possibly use this issue to cause OpenVPN to crash, resulting in a denial of service, or execute arbitrary code. CVE-2026-84471 It was discovered that OpenVPN incorrectly handled...
USN-8851-1: 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: - Network file system NFS server daemon; - IPv6 networking; - Netfilter; CVE-2025-38724, CVE-2026-53131, CVE-2026-532...
USN-8850-1: Linux kernel (BlueField) 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 file system NFS server daemon; - OCFS2 file system; - IPv6 networking; - Netfilter; - SCTP protocol;...
USN-8848-1: Django vulnerabilities
Bence Nagy discovered that GeoDjango in Django incorrectly handled spatial lookups when processing untrusted input. A remote attacker could possibly use this issue to make outbound network requests, write arbitrary files, or execute arbitrary code. This issue was only addressed in Ubuntu 22.04 LT...
USN-8849-1: Linux kernel (NVIDIA Tegra) vulnerabilities
It was discovered that some Arm processors could complete a broadcast translation lookaside buffer TLB invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to memory after permission to do so had been...
USN-8818-4: Linux kernel vulnerabilities
It was discovered that some Arm processors could complete a broadcast translation lookaside buffer TLB invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to memory after permission to do so had been...
USN-8817-2: Linux kernel (AWS FIPS) vulnerabilities
It was discovered that some Arm processors could complete a broadcast translation lookaside buffer TLB invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to memory after permission to do so had been...
USN-8730-7: Linux kernel (FIPS) 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 subsystems: - IPv6 networking; - Netfilter;...
USN-8819-4: 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: - Network file system NFS server daemon; - IPv6 networking; - Netfilter; CVE-2025-38724, CVE-2026-53131, CVE-2026-532...
USN-8847-2: OpenSSL vulnerabilities
USN-8847-1 fixed vulnerabilities in OpenSSL. This update provides the corresponding fix for OpenSSL on Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that OpenSSL incorrectly handled certain certificate revocation list...
USN-8847-1: OpenSSL vulnerabilities
It was discovered that OpenSSL incorrectly handled certain certificate revocation list distribution point names. An attacker could possibly use this issue to cause OpenSSL to consume excessive memory, resulting in a denial of service. CVE-2026-35189 It was discovered that OpenSSL incorrectly...
USN-8846-1: libheif vulnerabilities
Yuqi Qiu and Xiang Li discovered that libheif incorrectly handled certain compressed metadata. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. CVE-2026-84384 Yuqi Qiu and Xiang Li discovered that libheif...
USN-8844-1: c-ares vulnerability
It was discovered that c-ares incorrectly handled certain query completion callbacks. An attacker could possibly use this issue to trigger a use- after-free or double-free, resulting in a denial of service or arbitrary code execution...
USN-8843-1: FreeIPMI vulnerabilities
It was discovered that FreeIPMI incorrectly handled certain malformed Fujitsu SEL long-text responses, leading to a stack-based buffer overflow. An attacker in control of a malicious IPMI device could possibly use this issue to cause FreeIPMI to crash, resulting in a denial of service, or possibl...
USN-8818-3: Linux kernel vulnerabilities
It was discovered that some Arm processors could complete a broadcast translation lookaside buffer TLB invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to memory after permission to do so had been...
USN-8819-3: 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: - Network file system NFS server daemon; - IPv6 networking; - Netfilter; CVE-2025-38724, CVE-2026-53131, CVE-2026-532...
USN-8842-1: 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: - InfiniBand drivers; - Network drivers; - TCM subsystem; - B.A.T.M.A.N. meshing protocol; - HSR network protocol; -...
USN-8728-3: Linux kernel (Oracle) vulnerabilities
It was discovered that some Arm processors could complete a broadcast translation lookaside buffer TLB invalidation before memory writes made through the invalidated translation were globally observed. A local attacker could possibly use this to write to memory after permission to do so had been...
USN-8816-2: 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; - S390 architecture; - x86 architecture; - DRBD Distributed Replicated Block Device drivers; -...
USN-8729-6: 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: - ARM32 architecture; - ARM64 architecture; - PowerPC architecture; - Compute Acceleration Framework; - Drivers core;...
USN-8841-1: Perl DBI module vulnerabilities
It was discovered that the Perl DBI module did not correctly handle certain integer arithmetic operations. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. CVE-2026-73193, CVE-2026-73194...
USN-8487-2: curl regression
USN-8487-1 fixed vulnerabilities in curl. Unfortunately that update contained an incomplete fix for CVE-2026-8927. This update fixes the problem. Original advisory details: Andrew Nesbitt discovered that curl could reuse an existing live connection during STARTTLS-based connection upgrades even...
USN-8840-1: libevent vulnerabilities
Michał Majchrowicz and Marcin Wyczechowski discovered that libevent incorrectly handled certain DNS responses. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. CVE-2026-63387 It was discovered that libevent incorrectly handled certain...
USN-8839-1: Atril vulnerabilities
It was discovered that Atril did not properly sanitize command-line arguments in PDF /GoToR actions. If a user opened a specially crafted PDF file, an attacker could possibly use this issue to execute arbitrary code. CVE-2026-46529 It was discovered that Atril incorrectly handled certain PDF file...
USN-8838-1: catdoc vulnerabilities
It was discovered that catdoc had an integer overflow when processing shared string tables in malformed spreadsheet files. An attacker could possibly use this issue to cause catdoc to crash or execute arbitrary code. CVE-2024-48877 It was discovered that catdoc had an integer overflow when...