USN-8914-1: Google Guest Agent, Google OS Config Agent vulnerability

It was discovered that the Go x/net/idna package, vendored in Google Guest Agent and Google OS Config Agent, incorrectly accepted Punycode-encoded labels that decoded to ASCII-only labels when processing internationalized domain names. A remote attacker could possibly use this issue to bypass...

USN-8913-1: libx11 vulnerabilities

Adam Bedard discovered that libx11 incorrectly handled certain XKB keyboard map replies. If a user were tricked into connecting to a malicious X server, a remote attacker could possibly use this issue to cause libx11 to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-8912-1: Perl DBI module vulnerabilities

Harsh Raj Singhania discovered that the Perl DBI module did not correctly validate certain attributes. An attacker could possibly use this issue to execute arbitrary code. CVE-2026-78030 Harsh Raj Singhania discovered that the Perl DBI module did not correctly handle certain string operations. An...

USN-8911-1: 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: - Hardware crypto device drivers; - NVIDIA Tegra memory controller driver; - Network drivers; - USB core drivers; -...

USN-8887-3: Linux kernel vulnerabilities

It was discovered that some AMD processors did not properly perform Reverse Map Table RMP checks when the IOMMU accessed certain host buffers. A local attacker with hypervisor access could possibly use this to trigger an out-of-bounds condition and compromise the integrity of SEV-SNP guest memory...

USN-8875-2: Linux kernel (NVIDIA) vulnerabilities

It was discovered that the i.MX clock driver in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could possibly use this to cause a denial of service system crash. CVE-2022-3114 Several...

USN-8903-2: 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: - ARM32 architecture; - ARM64 architecture; - MIPS architecture; - x86 architecture; - Intel NPU Driver; - Auxiliary...

USN-8905-2: 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: - ARM32 architecture; - ARM64 architecture; - MIPS architecture; - x86 architecture; - Intel NPU Driver; - Auxiliary...

USN-8908-1: BlueZ vulnerabilities

Michael Bommarito discovered that BlueZ incorrectly handled codec capability storage in the A2DP profile. An attacker could possibly use this issue to cause a stack buffer overflow, resulting in a denial of service or arbitrary code execution. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22....

USN-8910-1: libxml2 vulnerabilities

Yirou Yang discovered that libxml2 incorrectly handled certain XML catalogs. If a user or automated system was tricked into processing a specially crafted XML catalog, an attacker could possibly use this issue to cause libxml2 to crash, resulting in a denial of service. CVE-2026-76781 It was...

USN-8909-1: libde265 vulnerability

It was discovered that libde265 did not properly validate certain crafted H.265 bitstreams, leading to a NULL pointer dereference. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service...

USN-8907-1: libgit2 vulnerability

It was discovered that libgit2 incorrectly handled IP address SubjectAltName verification in TLS certificate validation. A remote attacker with a CA-trusted certificate could possibly use this issue to perform a machine-in-the-middle attack, leading to the exposure of sensitive information...

USN-8902-1: libarchive vulnerability

It was discovered that libarchive had a signed integer overflow in its ZIP writer when handling encrypted entries with sizes near the maximum value. An attacker could possibly use this issue to cause libarchive to crash or execute arbitrary code...

USN-8906-1: Linux kernel (IBM) 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-8905-1: 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: - ARM32 architecture; - ARM64 architecture; - MIPS architecture; - x86 architecture; - Intel NPU Driver; - Auxiliary...

USN-8904-1: 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: - ARM32 architecture; - ARM64 architecture; - MIPS architecture; - x86 architecture; - Intel NPU Driver; - Auxiliary...

USN-8903-1: 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: - ARM32 architecture; - ARM64 architecture; - MIPS architecture; - x86 architecture; - Intel NPU Driver; - Auxiliary...

USN-8888-2: Linux kernel (Azure) vulnerabilities

It was discovered that some AMD processors did not properly perform Reverse Map Table RMP checks when the IOMMU accessed certain host buffers. A local attacker with hypervisor access could possibly use this to trigger an out-of-bounds condition and compromise the integrity of SEV-SNP guest memory...

USN-8887-2: Linux kernel (AWS) vulnerabilities

It was discovered that some AMD processors did not properly perform Reverse Map Table RMP checks when the IOMMU accessed certain host buffers. A local attacker with hypervisor access could possibly use this to trigger an out-of-bounds condition and compromise the integrity of SEV-SNP guest memory...

USN-8896-1: GStreamer Ugly Plugins vulnerabilities

Michael Randrianantenaina discovered that GStreamer's Ugly Plugins incorrectly handled certain malformed RealMedia files. If a user were tricked into opening a crafted media file, an attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubunt...

USN-8900-1: Go Networking vulnerabilities

It was discovered that Go Networking did not properly handle server errors after sending a GOAWAY frame during HTTP/2 connection shutdown, which could cause the connection to hang. A remote attacker could possibly use this issue to cause a denial of service. CVE-2022-27664 It was discovered that ...

USN-8898-1: Apache HTTP Server vulnerabilities

It was discovered that Apache HTTP Server's modrewrite module incorrectly handled memory when performing certain variable lookups. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. CVE-2026-56154 Lucian Nitescu, Simon Kappel, and Gianluca...

USN-8897-1: lxml vulnerabilities

Guillem Lefait discovered that lxml incorrectly handled certain URL attributes. A remote attacker could possibly use this issue to bypass URL sanitization, leading to a cross-site scripting attack. CVE-2026-49825 Qiu Sihao discovered that lxml incorrectly handled untrusted XML input. A remote...

USN-8895-1: Sudo vulnerability

It was discovered that Sudo did not properly handle time-based access restrictions when sudoers rules used NOTBEFORE or NOTAFTER with timestamps omitting the trailing timezone indicator. A local attacker could possibly use this issue to execute commands outside the intended time window by...

USN-8894-1: poppler vulnerabilities

It was discovered that Poppler had an integer overflow in FoFiTrueType::cvtSfnts. An attacker could possibly use this issue to cause Poppler to crash, resulting in a denial of service, or execute arbitrary code. CVE-2026-102620 It was discovered that Poppler had an integer overflow in...

USN-8893-1: Libwebsockets vulnerabilities

It was discovered that libwebsockets did not properly validate user-supplied data when parsing HTTP/2 HPACK path headers, which could result in a write past the end of an allocated buffer. An attacker could possibly use this issue to execute arbitrary code. CVE-2026-19773 It was discovered that...

LSN-0122-1: Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: fs: dlm: fix use after free in midcomms commit While working on processing dlm message in softirq context I experienced the following KASAN use-after-free warning: . In the Linux kernel, the following vulnerability has been...

USN-8892-1: Ubuntu Pro for WSL vulnerability

Darshan U discovered that Ubuntu Pro for WSL exposed the attach token in command-line arguments when enabling a subscription on a WSL instance. An attacker could possibly use this issue to obtain sensitive information and gain unauthorized access to Ubuntu Pro repositories...

USN-8891-1: librsvg vulnerability

It was discovered that librsvg incorrectly handled duplicate XML entity declarations while processing SVG documents containing nested XML inclusions. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code...

USN-8890-1: libsoup vulnerabilities

It was discovered that libsoup incorrectly handled certain HTTP/2 requests. 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-2026-4271 It was discovered that libsoup incorrectly handled certain HTTPS...

USN-8884-1: U-Boot vulnerabilities

Timo Preißl discovered that U-Boot incorrectly handled certain malformed ZFS file system metadata. An attacker could possibly use this issue to trigger an integer overflow and out-of-bounds memory access, resulting in arbitrary code execution or a denial of service. CVE-2025-70290 Timo Preißl...

USN-8889-1: Linux kernel (OEM) vulnerabilities

It was discovered that some AMD processors did not properly perform Reverse Map Table RMP checks when the IOMMU accessed certain host buffers. A local attacker with hypervisor access could possibly use this to trigger an out-of-bounds condition and compromise the integrity of SEV-SNP guest memory...

USN-8888-1: Linux kernel (Azure) vulnerabilities

It was discovered that some AMD processors did not properly perform Reverse Map Table RMP checks when the IOMMU accessed certain host buffers. A local attacker with hypervisor access could possibly use this to trigger an out-of-bounds condition and compromise the integrity of SEV-SNP guest memory...

USN-8885-1: FluidSynth vulnerabilities

It was discovered that FluidSynth did not properly validate the channel argument of the pitchbendrange command. A remote attacker could possibly use this issue to cause FluidSynth to crash, resulting in a denial of service, or execute arbitrary code. CVE-2026-58264 It was discovered that FluidSyn...

USN-8887-1: Linux kernel vulnerabilities

It was discovered that some AMD processors did not properly perform Reverse Map Table RMP checks when the IOMMU accessed certain host buffers. A local attacker with hypervisor access could possibly use this to trigger an out-of-bounds condition and compromise the integrity of SEV-SNP guest memory...

USN-8886-1: 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: - NVDIMM Non-Volatile Memory Device drivers; - Handshake API; - ARM32 architecture; - ARM64 architecture; - MIPS...

USN-8883-1: Go vulnerability

It was discovered that the Go x/net/idna package incorrectly handled certain Punycode-encoded labels that decoded to ASCII-only labels. An attacker could possibly use this issue to bypass hostname-based access controls and escalate privileges...

USN-8882-1: Tesseract vulnerabilities

It was discovered that Tesseract incorrectly handled crafted .traineddata models. An attacker could possibly use this issue to cause Tesseract to crash, resulting in a denial of service. CVE-2026-73067 It was discovered that Tesseract did not properly validate dimensions in crafted .traineddata...

USN-8881-1: FreeType vulnerability

It was discovered that FreeType had a flaw in its CID font loader. An attacker could possibly use this issue to cause FreeType to consume excessive memory and CPU resources, leading to a denial of service...

USN-8880-1: FreeRDP vulnerabilities

It was discovered that FreeRDP contained multiple security issues. An attacker could possibly use these issues to obtain sensitive information, cause FreeRDP to crash, resulting in a denial of service, or execute arbitrary code...

USN-8874-1: sg3_utils vulnerability

Shaomin Chen discovered that sg3utils did not properly sanitize device identification data. An attacker could possibly use this issue to execute arbitrary commands...

USN-8875-1: Linux kernel vulnerabilities

It was discovered that the i.MX clock driver in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could possibly use this to cause a denial of service system crash. CVE-2022-3114 Several...

USN-8879-1: Linux kernel (Oracle) vulnerabilities

It was discovered that the i.MX clock driver in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could possibly use this to cause a denial of service system crash. CVE-2022-3114 It was...

USN-8878-1: Linux kernel (GCP) vulnerabilities

It was discovered that the i.MX clock driver in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could possibly use this to cause a denial of service system crash. CVE-2022-3114 It was...

USN-8877-1: Linux kernel (GCP) vulnerabilities

It was discovered that the i.MX clock driver in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could possibly use this to cause a denial of service system crash. CVE-2022-3114 Several...

USN-8876-1: Linux kernel (Azure CVM) vulnerabilities

It was discovered that the i.MX clock driver in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could possibly use this to cause a denial of service system crash. CVE-2022-3114 Several...

USN-8869-1: RabbitMQ Server vulnerability

It was discovered that RabbitMQ Server incorrectly handled certain HTTP/2 headers. An attacker could possibly use this issue to cause a denial of service via memory exhaustion...

USN-8873-1: Unbound vulnerabilities

Yuqi Qiu and Xiang Li discovered that Unbound did not correctly handle certain memory operations. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. CVE-2026-81642 Ben Morris discovered that Unbound did not correctly handle certain memory operations...

USN-8866-1: Redis vulnerabilities

It was discovered that Redis did not properly manage memory when handling the TLS pending-data list. A remote attacker could possibly use this issue to execute arbitrary code. CVE-2026-81934 It was discovered that Redis incorrectly handled certain inputs when processing cluster bus packets. A...

USN-8872-1: libxmltok vulnerabilities

It was discovered that Expat, contained with the xmltok library did not correctly handle certain integer arithmetic. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly cause a denial of service. CVE-2026-56404, CVE-2026-56405...