8222 matches found
USN-8233-1 nghttp2 vulnerability
Andrew MacPherson discovered that nghttp2 did not properly validate internal state when the session termination API was called. A remote attacker could possibly use this issue to cause nghttp2 to crash, resulting in a denial of service...
USN-8190-2 ruby-rack-session vulnerability
USN-8190-1 fixed a vulnerability in Rack::Session. This update provides the corresponding update for Ubuntu 26.04 LTS. Original advisory details: SeungMyung Lee discovered that Rack::Session did not properly reject cookies upon decryption failure. A remote attacker could use this issue to...
USN-8087-3 python-cryptography vulnerability
USN-8087-1 fixed a vulnerability in python-cryptography. This update provides the corresponding update to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that python-cryptography incorrectly handled subgroup validation for SECT curves. A remo...
USN-8214-1 nltk vulnerability
It was discovered that NLTK incorrectly handled file extraction when opening a maliciously crafted zip file. An attacker could possibly use this issue to create or overwrite files on the system and execute arbitrary code...
USN-8195-2 packagekit vulnerability
USN-8195-1 fixed a vulnerability in PackageKit. This update provides the corresponding update to Ubuntu 26.04 LTS. Original advisory details: It was discovered that PackageKit incorrectly handled certain transactions. A local attacker could use this issue to install arbitrary packages as root,...
USN-8202-1 jq vulnerabilities
It was discovered that jq did not correctly handle certain string concatenations. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue was addressed in Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS...
USN-8191-1 commons-io vulnerability
It was discovered that Apache Commons IO's XmlStreamReader class could excessively consume CPU resources under certain circumstances. An attacker could possibly use this issue to cause Apache Commons IO to crash, resulting in a denial of service...
USN-8155-1 openssl vulnerabilities
Viktor Dukhovni discovered that OpenSSL incorrectly negotiated the expected preferred key exchange group when used as a TLS 1.3 server. This could result in a less preferred key exchange being used, contrary to expectations. This issue only affected Ubuntu 25.10. CVE-2026-2673 Igor Morgenstern...
USN-8145-2 linux-fips, linux-aws-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: - ARM64 architecture; - Cryptographic API; - UDF file system; - NFC subsystem; - Network traffic control;...
USN-8141-1 linux-raspi vulnerabilities
Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information kernel memory, local...
USN-8094-5 linux-raspi vulnerabilities
Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information kernel memory, local...
USN-8130-1 gst-plugins-base1.0 vulnerability
It was discovered that GStreamer Base Plugins incorrectly handled certain AVI media files. A remote attacker could use this issue to cause GStreamer Base Plugins to crash, resulting in a denial of service, or possibly execute arbitrary code...
USN-8124-1 bind9 vulnerabilities
Samy Medjahed discovered that Bind incorrectly handled insecure delegation validation. A remote attacker could possibly use this issue to cause excessive NSEC3 iterations, consuming CPU resources, and leading to a denial of service. CVE-2026-1519 Vitaly Simonovich discovered that Bind incorrectly...
USN-8098-8 linux-azure-fips vulnerabilities
Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information kernel memory, local...
USN-8098-7 linux-azure vulnerabilities
Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information kernel memory, local...
USN-8118-1 rust-sized-chunks vulnerabilities
Yechan Bae discovered that sized-chunks did not properly validate array size when constructing Chunk. An attacker could possibly use these issues to cause out-of-bounds access, leading to memory corruption or undefined behavior. CVE-2020-25791, CVE-2020-25792, CVE-2020-25793 Yechan Bae discovered...
USN-8097-2 roundcube regression
USN-8097-1 fixed a vulnerability in roundcube. The update caused a regression affecting the HTML sanitizer, preventing Roundcube from rendering any email message body. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Roundcube...
USN-8103-1 exiv2 vulnerabilities
It was discovered that Exiv2 did not correctly handle reading certain buffers. An attacker could possibly use this issue to leak sensitive information. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. CVE-2020-18771 Wen Cheng discovered that Exiv2 did not correctly handle certain...
USN-8094-2 linux-gcp-6.17, linux-realtime vulnerabilities
Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information kernel memory, local...
USN-8101-1 vim vulnerabilities
Rahul Hoysala discovered that Vim did not correctly handle certain tag resolutions. An attacker could possibly use this issue to cause a denial of service. CVE-2026-25749 It was discovered that Vim did not correctly handle processing certain specialKey commands. An attacker could possibly use thi...
USN-8094-1 linux, linux-aws, linux-aws-6.17, linux-gcp, linux-hwe-6.17, linux-oracle, linux-oracle-6.17 vulnerabilities
Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module LSM. An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information kernel memory, local...
USN-8091-1 util-linux vulnerability
It was discovered that the util-linux su utility did not drop capabilities when being used with the --pty option. While not a security issue by itself, a local attacker could possibly use the su tool to exploit vulnerabilities in other applications...
USN-8059-8 linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency 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: - SMB network file system; CVE-2025-22037, CVE-2025-37899...
USN-8077-1 python-bleach vulnerabilities
It was discovered that Bleach did not properly sanitize URI attributes containing character entities. An attacker could possibly use this issue to construct a URI with a disallowed scheme that would bypass sanitization, leading to cross-site scripting. This issue only affected Ubuntu 18.04 LTS...
USN-8074-2 linux-azure-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-8031-3 linux-gcp, linux-gke 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-8015-1 linux, linux-gke, linux-gkeop, linux-hwe-6.8, linux-oracle, linux-oracle-6.8, 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: - Cryptographic API; - SMB network file system; - iouring subsystem; CVE-2025-38561, CVE-2025-39698, CVE-2025-40019...
USN-8005-1 glibc vulnerabilities
Vitaly Simonovich discovered that the GNU C Library did not properly initialize the input when WRDEREUSE is used. An attacker could possibly use this issue to cause applications to crash, leading to a denial of service. CVE-2025-15281 Anastasia Belova discovered that the GNU C Library incorrectly...
USN-8002-1 openjdk-21 vulnerabilities
It was discovered that the RMI component of OpenJDK 21 would establish RMI TCP endpoint connections to a remote host without setting an endpoint identification algorithm. An unauthenticated remote attacker could possibly use this issue to steal sensitive information. CVE-2026-21925 Mingijung...
USN-7990-1 linux, linux-aws, linux-aws-5.4, linux-gcp, linux-gcp-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-iot, linux-kvm 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-7986-1 linux 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: - Ceph distributed file system; - JFFS2 file system; - Timer subsystem; - USB sound devices; CVE-2024-26689,...
USN-7959-1 klibc vulnerabilities
It was discovered that zlib, vendored in klibc, did not properly handle integer arithmetic. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service...
USN-7922-5 linux-iot 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; - ACPI drivers; - InfiniBand drivers; - Media drivers; - Network drivers; - Pin controllers...
USN-7933-1 linux-kvm vulnerabilities
Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...
USN-7931-1 linux, linux-aws, linux-aws-6.8, linux-gcp, linux-gcp-6.8, linux-gke, linux-gkeop, linux-hwe-6.8, linux-ibm, linux-ibm-6.8, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, linux-oracle, 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: - Cryptographic API; - Media drivers; - Memory management; - Appletalk network protocol; - Netfilter; CVE-2025-37958,...
USN-7874-3 linux-iot vulnerabilities
Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...
USN-7910-1 linux-azure-fips vulnerabilities
Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...
USN-7902-1 openjdk-25-crac vulnerabilities
Jinfeng Guo discovered that the Security component of CRaC JDK 25 did not correctly handle certain representations of encoded strings. An unauthenticated remote attacker could possibly use this issue to modify files or leak sensitive information. CVE-2025-53057 Darius Bohni discovered that the JA...
USN-7866-1 intel-microcode vulnerabilities
Barak Gross discovered that some Intel® Xeon® processors with SGX enabled did not properly handle buffer restrictions. A local authenticated user could potentially use this issue to escalate their privileges. CVE-2025-20053 Avinash Maddy discovered that some Intel® processors did not properly...
USN-7862-2 linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-nvidia-tegra-igx, linux-raspi vulnerability
Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...
USN-7840-1 ruby2.3, ruby2.5, ruby2.7 vulnerabilities
It was discovered that the REXML module bunded into Ruby incorrectly handled parsing XML documents with repeated instances of certain characters. An attacker could possibly use this issue to cause REXML to consume excessive resources, leading to a denial of service. Ubuntu 18.04 LTS and Ubuntu...
USN-7833-2 linux-realtime-6.14 vulnerabilities
Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt discovered that some AMD processors may allow an attacker to infer data from previous stores, potentially resulting in the leakage of privileged information. A local attacker could possibly use this to...
USN-7834-1 linux-azure, linux-azure-6.14, linux-azure-nvidia-6.14 vulnerabilities
Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt discovered that some AMD processors may allow an attacker to infer data from previous stores, potentially resulting in the leakage of privileged information. A local attacker could possibly use this to...
USN-7797-3 linux-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: - Virtio block driver; - Media drivers; - Network drivers; - Framebuffer layer; - BTRFS file system; - Ext4 file...
USN-7800-1 linux-raspi-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; - x86 architecture; - Compute Acceleration Framework; - Bus devices; - AMD CDX bus driver; - DP...
USN-7774-4 linux-kvm 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; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...
USN-7015-7 python2.7 regression
USN-7015-4 fixed vulnerabilities in Python. It was discovered that the fix for CVE-2023-27043 for python2.7 was incorrectly applied on Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that the...
USN-7732-1 kmail-account-wizard vulnerability
It was discovered that KMail Account Wizard used HTTP rather than HTTPS when retrieving certain email server configurations. An attacker could possibly use this issue to cause email clients to use an attacker-controlled email server...
USN-7729-1 kdepim vulnerabilities
Damian Poddebniak, Christian Dresen, Jens Müller, Fabian Ising, Sebastian Schinzel, Simon Friedberger, Juraj Somorovsky, and Jörg Schwenk discovered that the KMail application of KDE PIM could be made to leak the plaintext of S/MIME encrypted emails when retrieving external content in emails. Und...
USN-7699-2 linux-hwe-6.14, linux-oem-6.14 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; - RISC-V architecture; - x86 architecture; - Buffer Sharing and Synchronization framework; - DM...