675 matches found
USN-8661-1 linux-azure-5.15, linux-gcp, linux-gcp-fips, linux-hwe-5.15, linux-lowlatency-hwe-5.15 vulnerabilities
Siebe Devroe, Héloïse Gollier, and Mathy Vanhoef discovered that the WiFi implementation in the Linux kernel did not properly handle aggregated frames in mesh networks, due to an incorrect fix for CVE-2020-24588. A physically proximate attacker could use this issue to inject packets. CVE-2025-275...
USN-8721-1 openssh vulnerabilities
It was discovered that OpenSSH's ssh-agent incorrectly handled interactions between agent locking and the [email protected] extension. A remote attacker with access to a forwarded agent connection could possibly use this issue to perform operations that should only be available locally, su...
USN-8488-1 linux, linux-aws, linux-gcp, linux-ibm, linux-oracle, linux-realtime 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-8563-1 nginx vulnerabilities
It was discovered that nginx incorrectly handled certain map directives using regex matching and capture variables. A remote attacker could use this issue to cause nginx to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2026-42533 It was discovered that nginx had...
USN-8414-2 openssl, openssl1.0 vulnerabilities
USN-8414-1 fixed several vulnerabilities in OpenSSL. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: Frank Buss discovered that OpenSSL had a heap buffer over-read in ASN.1 content parsing. An...
USN-8625-1 openssl vulnerability
It was discovered that OpenSSL incorrectly allocated memory buffers in the SSL/TLS state machine when receiving handshake data. A remote attacker could possibly use this issue to cause OpenSSL to consume excessive memory, leading to a denial of service. This issue is known as the "HollowByte"...
USN-8440-1 linux-azure-6.8 vulnerabilities
Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...
USN-8426-1 linux-azure-5.15, linux-azure-fips 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 It was discovered that the Linux kernel did n...
USN-8494-1 libvncserver vulnerability
It was discovered that LibVNCServer incorrectly handled the Tight decoder in libvncclient. A remote attacker could use this issue to cause LibVNCServer to crash, resulting in a denial of service, or possibly execute arbitrary code...
USN-8426-2 linux-azure 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 It was discovered that the Linux kernel did n...
USN-8468-1 imagemagick vulnerabilities
It was discovered that ImageMagick incorrectly handled certain images when using the wavelet-denoise operator. An attacker could possibly use this issue to trigger a heap buffer over-read, resulting in information disclosure. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22....
USN-8412-1 qemu vulnerabilities
Felipe Franciosi, Raphael Norwitz, and Peter Turschmid discovered that the iSCSI block driver in QEMU incorrectly handled certain responses from an iSCSI server. A remote attacker could possibly use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary...
USN-8492-2 linux-aws-6.8, linux-gcp-6.8, linux-gke, linux-gkeop, linux-ibm-6.8, linux-nvidia-lowlatency, linux-oracle-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-8546-1 linux-raspi 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; - Cryptographic API; - DMA engine subsystem; - InfiniBand drivers; -...
USN-8498-1 linux-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: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; -...
USN-8414-1 openssl vulnerabilities
Frank Buss discovered that OpenSSL had a heap buffer over-read in ASN.1 content parsing. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service, or obtain sensitive information. CVE-2026-34180 Pavol Zacik and Alex Gaynor discovered that OpenSSL...
USN-8723-1 spice-vdagent vulnerabilities
It was discovered that SPICE vdagent had an integer overflow in the buffer size calculation used when writing to the daemon socket. A malicious or compromised SPICE host could possibly use this issue to cause SPICE vdagent to crash, resulting in a denial of service. CVE-2026-57965 It was discover...
USN-8653-1 postgresql-14, postgresql-16, postgresql-18 vulnerabilities
It was discovered that PostgreSQL incorrectly handled COPY FROM STDIN when an early failure occurred. An authenticated user could possibly use this issue to execute arbitrary SQL commands. CVE-2026-6464 It was discovered that PostgreSQL incorrectly reset extended statistics ownership during ALTER...
USN-8563-2 nginx regression
USN-8563-1 fixed vulnerabilities in nginx. One of the fixes introduced ABI changes that could cause issues with external modules. This update reverts the fix for CVE-2026-42533 pending further investigation. We apologize for the inconvenience. Original advisory details: It was discovered that ngi...
USN-8548-1 linux-aws, linux-fips, linux-lts-xenial vulnerabilities
It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...
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-8411-1 node-lodash vulnerabilities
It was discovered that Lodash was vulnerable to a prototype pollution issue in the zipObjectDeep function. An attacker could possibly use this issue to modify application behavior. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. CVE-2020-8203 Liyuan Chen discovered that Lodash was...
USN-8396-1 apache2 vulnerabilities
It was discovered that the Apache HTTP Server modrewrite module incorrectly handled certain privileges. A local attacker could possibly use this issue to obtain sensitive information. CVE-2026-24072 Andrew Lacambra, Elhanan Haenel, Tianshuo Han, and Tristan Madani discovered that the Apache HTTP...
USN-8563-5 A security issue was fixed in nginx.
USN-8563-1 fixed vulnerabilities in nginx. The fix for CVE-2026-42533 was backed out in USN-8563-2 because it could cause a regression. This update includes a better fix for CVE-2026-42533. We apologize for the inconvenience. Original advisory details: It was discovered that nginx incorrectly...
USN-8570-1 linux-gcp-6.17, linux-realtime-6.17 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: - Foo-over-UDP FOU; - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Drivers core; - Null block...
USN-8545-1 linux-hwe-6.17 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; - Cryptographic API; - DMA engine subsystem; - InfiniBand drivers; -...
USN-8491-1 linux-oem-6.17 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; - x86 architecture; - Block layer subsystem; - Cryptographic API; - DMA engine subsystem; -...
USN-8469-1 ffmpeg vulnerabilities
Jiasheng Jiang discovered that FFmpeg incorrectly handled memory in certain error-handling paths of its TensorFlow DNN backend. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 24.04 LTS. CVE-2025-12343 Quang Luong discovered that FFmpeg...
USN-8417-1 tomcat9, tomcat10 vulnerabilities
It was discovered that Tomcat did not properly limit the size of WebDAV LOCK and PROPFIND request bodies. A remote attacker could use this issue to cause Tomcat to consume excessive memory, resulting in a denial of service. CVE-2026-41284 It was discovered that Tomcat incorrectly validated HTTP/2...
USN-8593-1 linux-ibm, linux-oracle vulnerabilities
It was discovered that some AMD Zen 2 processors did not properly isolate shared resources in the operation cache. A local attacker could possibly use this issue to corrupt instructions executed at a higher privilege level, resulting in privilege escalation. CVE-2025-54518 Several security issues...
USN-8562-1 freetype vulnerability
It was discovered that FreeType incorrectly handled certain variable font files. An attacker could possibly use this issue to cause FreeType to crash, resulting in a denial of service, or obtain sensitive information...
USN-8527-1 linux-raspi 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-8504-1 sogo vulnerabilities
It was discovered that SOGo did not properly sanitize categories used for events, tasks, and contacts. A remote authenticated attacker could possibly use this issue to perform cross-site scripting attacks. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu...
USN-8450-1 tomcat11 vulnerabilities
It was discovered that Tomcat did not properly limit the size of WebDAV LOCK and PROPFIND request bodies. A remote attacker could possibly use this issue to cause Tomcat to consume excessive memory, resulting in a denial of service. CVE-2026-41284 It was discovered that Tomcat incorrectly validat...
USN-8398-3 nginx vulnerability
USN-8398-1 fixed a vulnerability in nginx. The update caused a regression and was temporarily reverted in USN-8398-2. This update introduces a complete fix for CVE-2026-49975. We apologize for the inconvenience. Original advisory details: It was discovered that nginx incorrectly handled certain...
USN-6455-2 exim4 regression
USN-6455-1 fixed vulnerabilities in Exim. The fix for CVE-2023-42117 introduced a regression on Ubuntu 22.04 LTS that resulted in certain connections logging a Taint mismatch error. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered tha...
USN-8663-1 linux-nvidia, linux-nvidia-7.0 vulnerabilities
It was discovered that some AMD Zen 2 processors did not properly isolate shared resources in the operation cache. A local attacker could possibly use this issue to corrupt instructions executed at a higher privilege level, resulting in privilege escalation. CVE-2025-54518 Several security issues...
USN-8603-1 linux-azure, linux-azure-fde 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 It was discovered that some AMD Zen 2 processors did not properly isolate shared...
USN-8490-2 linux-realtime, linux-realtime-6.17 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; - Cryptographic API; - DMA engine subsystem; - InfiniBand drivers; -...
USN-8490-1 linux, linux-aws, linux-aws-6.17, linux-gcp, linux-gcp-6.17, linux-oracle, linux-oracle-6.17 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; - Cryptographic API; - DMA engine subsystem; - InfiniBand drivers; -...
USN-8508-1 linux-nvidia-6.17 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; - Block layer subsystem; - Cryptographic API; - DMA engine subsystem; - GP...
USN-8816-1 linux, linux-aws, linux-aws-7.0, linux-hwe-7.0, linux-ibm, linux-oracle, linux-raspi, 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; - S390 architecture; - x86 architecture; - DRBD Distributed Replicated Block Device drivers; -...
USN-8620-2 linux-azure-fips vulnerabilities
Maxim Suhanov discovered that the NTFS file system implementation in the Linux kernel did not properly validate file name length in certain situations, leading to an out-of-bounds read. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could expose...
USN-8618-1 linux-aws, linux-raspi vulnerabilities
It was discovered that some AMD Zen 2 processors did not properly isolate shared resources in the operation cache. A local attacker could possibly use this issue to corrupt instructions executed at a higher privilege level, resulting in privilege escalation. CVE-2025-54518 Several security issues...
USN-8605-1 linux-azure-fde-6.17 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: - Foo-over-UDP FOU; - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - Drivers...
USN-8574-2 linux-fips, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-oracle 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 It was discovered that some AMD Zen 2 processors did not properly isolate shared...
USN-8489-1 linux-oem-7.0 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-8451-1 vim vulnerabilities
Srinivas Piskala Ganesh Babu discovered that Vim incorrectly handled directory names when serializing browsed paths to the netrw history file. An attacker could possibly use this issue to execute arbitrary code. CVE-2026-47162 It was discovered that Vim incorrectly handled step-definition pattern...