USN-8119-2: systemd vulnerabilities

USN-8119-1 fixed vulnerabilities in systemd. This update provides the corresponding updates for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that systemd incorrectly handled certain cgroup paths. A local attacker could...

USN-8119-1: systemd vulnerabilities

It was discovered that systemd incorrectly handled certain cgroup paths. A local attacker could possibly use this issue to cause systemd to crash, resulting in a denial of service. CVE-2026-29111 It was discovered that the systemd udev component incorrectly handled certain fields received from th...

USN-8118-1: 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-8117-1: strongSwan vulnerability

Kazuma Matsumoto discovered that strongSwan incorrectly handled EAP-TTLS AVPs when using the eap-ttls plugin. An attacker could possibly use this issue to cause strongSwan to consume resources and crash, resulting in a denial of service...

USN-8095-4: Linux kernel (AWS) 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-8096-5: Linux kernel (NVIDIA Tegra IGX) 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-8116-1: Linux kernel (Intel IoTG Real-time) 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: - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - ACPI drivers; - ATM...

USN-8115-1: pyOpenSSL vulnerabilities

It was discovered that pyOpenSSL incorrectly handled exceptions in the tlsextservername callback. This could result in connections being accepted after an exception, contrary to expectations. CVE-2026-27448 It was discovered that pyOpenSSL incorrectly handled the DTLS cookie generation callback. ...

USN-8114-1: GVfs vulnerabilities

It was discovered that the GVfs FTP backend incorrectly handled IP addresses and ports returned by passive mode responses. A malicious remote server could possibly use this issue to help scan for open ports. CVE-2026-28295 It was discovered that the GVfs FTP backend incorrectly handled crafted fi...

USN-8113-1: LibTIFF vulnerabilities

It was discovered that LibTIFF did not properly handle memory when processing certain images. An attacker could possibly use this issue to cause LibTIFF to crash, resulting in a denial of service. CVE-2025-61143 It was discovered that LibTIFF did not properly handle memory when processing malform...

USN-8107-1: Linux kernel (AWS 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-8112-2: 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: - x86 architecture; - MMC subsystem; - Network drivers; - USB Device Class drivers; - BTRFS file system; - HFS+ file...

USN-8112-1: 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: - x86 architecture; - MMC subsystem; - Network drivers; - USB Device Class drivers; - BTRFS file system; - HFS+ file...

USN-8105-2: FreeRDP regression

USN-8105-1 fixed vulnerabilities in FreeRDP. The update introduced a regression which could cause FreeRDP to crash. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that FreeRDP incorrectly handled certain RDP packets. A remote attack...

USN-8111-1: OpenStack Glance vulnerability

It was discovered that OpenStack Glance was incorrectly validating the IP addresses and the redirect destination URL when downloading or importing images from a remote source. An attacker could possibly use this issue to perform server-side request forgery and obtain sensitive information...

USN-8103-2: Exiv2 regression

USN-8103-1 fixed vulnerabilities in Exiv2. The update caused a regression for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and Ubuntu 25.10. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Exiv2 did not correctly handle...

USN-8018-3: Python 2.7 vulnerabilities

USN-8018-1 fixed CVE-2025-12084, CVE-2025-15282, CVE-2026-0672, CVE-2026-0865 for python3. This update provides the corresponding updates for python2.7. Original advisory details: Denis Ledoux discovered that Python incorrectly parsed email message headers. An attacker could possibly use this iss...

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-8110-1: Net-CIDR vulnerability

Dave Rolsky discovered that Net-CIDR did not properly sanitize IP addresses. An attacker could possibly use this to bypass IP-based restrictions...

USN-8109-1: Debian Goodies vulnerability

Jakub Wilk discovered that debmany in Debian Goodies incorrectly handled certain deb files. An attacker could possibly use this issue to execute arbitrary shell commands...

USN-8108-1: Bouncy Castle vulnerabilities

It was discovered that Bouncy Castle did not sanitize user input when inserting it into an LDAP search filter. An attacker could possibly use this issue to perform an LDAP injection attack. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS...

USN-8098-3: Linux kernel 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-8106-1: Valkey vulnerabilities

It was discovered that Valkey incorrectly handled errors for lua scripts. An attacker could possibly use this issue to inject arbitrary information into the response stream for other clients. CVE-2025-67733 It was discovered that Valkey incorrectly handled malformed cluster bus messages. A remote...

USN-8105-1: FreeRDP vulnerabilities

It was discovered that FreeRDP incorrectly handled certain RDP packets. A remote attacker could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-8104-1: Flask vulnerability

Shourya Jaiswal discovered that Flask did not correctly mark certain web responses as user-specific. A remote attacker could possibly use this issue to obtain sensitive information...

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-8102-2: snapd regression

USN-8102-1 fixed a vulnerability in snapd. The update caused a regresision for Ubuntu 24.04 LTS while installing the package. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Qualys discovered that snapd incorrectly handled certain operations in the...

USN-8096-4: Linux kernel (Real-time) 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-8096-3: Linux kernel 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-8094-2: Linux kernel 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-8095-3: Linux kernel (Real-time) 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-8102-1: snapd vulnerability

Qualys discovered that snapd incorrectly handled certain operations in the snap's private /tmp directory. If systemd-tmpfiles is enabled to automatically clean up this directory, a local attacker could possibly use this issue to re-create the deleted directory, resulting in privilege escalation...

USN-8098-2: Linux kernel (GCP) 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-8096-2: Linux kernel (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-8095-2: Linux kernel (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-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-8100-1: Linux kernel (NVIDIA) 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-8099-1: curl vulnerabilities

Zhicheng Chen discovered that curl could incorrectly reuse the wrong connection for Negotiate-authenticated HTTP or HTTPS requests. This could result in the use of credentials from a different connection, contrary to expectations. This issue only affected Ubuntu 20.04 LTS. CVE-2026-1965 It was...

USN-8097-1: Roundcube Webmail vulnerabilities

It was discovered that Roundcube Webmail did not properly sanitize the animate tag within SVG documents. An attacker could possibly use this issue to cause a cross-site scripting attack...

USN-8098-1: Linux kernel 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-8096-1: Linux kernel 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-8095-1: Linux kernel 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-8094-1: Linux kernel 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-8087-2: python-cryptography regression

USN-8087-1 fixed a vulnerability in python-cryptography. The update caused a regression when using ECC algorithms with certain software. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that python-cryptography incorrectly handled...

USN-8093-1: libssh vulnerability

It was discovered that libssh incorrectly performed bounds checking when processing SFTP extensions. If a client application queried extension data out of bounds, it could cause the application to crash, resulting in a denial of service, or exhibit unintended behavior...

USN-8092-1: Sudo vulnerability

It was discovered that Sudo incorrectly checked return codes when dropping privileges to run the mailer. A local attacker could possibly use this issue to escalate privileges...

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-8090-2: OpenSSH vulnerabilities

USN-8090-1 fixed vulnerabilities in OpenSSH. This update provides the corresponding updates for Ubuntu 20.04 LTS. Original advisory details: Jeremy Brown discovered that the OpenSSH GSSAPI Key Exchange incorrectly handled disconnecting clients. In non-default configurations where the...

USN-8090-1: OpenSSH vulnerabilities

Jeremy Brown discovered that the OpenSSH GSSAPI Key Exchange incorrectly handled disconnecting clients. In non-default configurations where the GSSAPIKeyExchange setting is enabled, a remote attacker could use this issue to cause OpenSSH to crash, resulting in a denial of service, or possibly...

USN-8089-1: Go Networking vulnerabilities

Bahruz Jabiyev, Tommaso Innocenti, Anthony Gavazzi, Steven Sprecher, and Kaan Onarlioglu discovered that servers using Go Networking could hang during shutdown if preempted by a fatal error. An attacker could possibly use this to cause a denial of service. This issue only affected Ubuntu 22.04 LT...