CVE-2026-47329

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches which fail to validate invalid sizes of the name field in AppAmor notification responses. The bug can be triggered by an unprivileged local user and could result in handling of crafted responses...

PT-2026-44486

Name of the Vulnerable Software and Affected Versions Ubuntu Linux version 6.8 Ubuntu Linux version 6.17 Ubuntu Linux version 7.0 Description SAUCE patches contain a possible NULL pointer dereference, which occurs when the system handles AF INET/AF INET6 socket mediation. A NULL pointer dereferen...

UBUNTU-CVE-2026-47329

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches which fail to validate invalid sizes of the name field in AppAmor notification responses. The bug can be triggered by an unprivileged local user and could result in handling of crafted responses...

UBUNTU-CVE-2026-47328

Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly attempt to free a pointer which was not previously kmallocd, while at the same time leaking allocated memory. The bug can be triggered by an unprivileged local user and can result in the corruption of slab metadata an...

PT-2026-44475

Name of the Vulnerable Software and Affected Versions Ubuntu Linux version 6.8 Ubuntu Linux version 6.17 Ubuntu Linux version 7.0 Description SAUCE patches contain a memory leak when handling large responses to AppArmor notifications. An unprivileged local user can trigger this issue, which may...

UBUNTU-CVE-2026-47327

Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor notifications. The bug can be triggered by an unprivileged local user. This can lead to a kernel oops...

Canonical Ubuntu Linux 安全漏洞

Canonical Ubuntu Linux is a Linux operating system developed by the British company Canonical. The Canonical Ubuntu Linux versions 6.8, 6.17, and 7.0 have security vulnerabilities. These vulnerabilities stem from an incorrect calculation of the internal buffer size, which may lead to out-of-bound...

Ubuntu 24.04 LTS / 25.10 / 26.04 LTS : libssh2 vulnerability (USN-8309-1)

The remote Ubuntu 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8309-1 advisory. It was discovered that libssh2 incorrectly handled username and password length values during SSH password authentication. A remote attacker...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Unbound vulnerabilities (USN-8282-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8282-1 advisory. Andrew Griffiths discovered that Unbound did not properly handle certain DNSCrypt packets. A remote attacker could possib...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : rsync vulnerabilities (USN-8283-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8283-1 advisory. Calum Hutton discovered that rsync contained a heap-based out-of-bounds read when handling file transfers. A remote...

USN-8282-1 unbound vulnerabilities

Andrew Griffiths discovered that Unbound did not properly handle certain DNSCrypt packets. A remote attacker could possibly use this issue to cause Unbound to crash, resulting in a denial of service. CVE-2026-32792 Qifan Zhang discovered that Unbound incorrectly handled DNSSEC validation in certa...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Postfix vulnerability (USN-8253-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8253-1 advisory. Kamil Frankowicz discovered that Postfix incorrectly handled certain enhanced status codes. A remote attacker could possibly use...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : OpenJPEG vulnerability (USN-8252-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8252-1 advisory. It was discovered that OpenJPEG did not properly handle memory when encoding image files. An attacker could use this issue to caus...

Ubuntu 25.10 / 26.04 LTS : Little CMS vulnerability (USN-8250-1)

The remote Ubuntu 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8250-1 advisory. It was discovered that Little CMS incorrectly handled certain malformed ICC profiles. An attacker could possibly use this issue to cause Little CMS to...

USN-8259-1: OpenEXR vulnerabilities

Quang Luong discovered that OpenEXR incorrectly handled sample count accumulation when processing deep scan line image files. An attacker could possibly use this issue to cause OpenEXR to crash, resulting in a denial of service, or execute arbitrary code. CVE-2026-27622 It was discovered that...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : sed vulnerability (USN-8229-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-8229-1 advisory. Micha Majchrowicz and Marcin Wyczechowski discovered that sed incorrectly handled symbolic links when performing in-place edits. A...

Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : Python marshmallow vulnerabilities (USN-8225-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8225-1 advisory. Jared Deckard discovered that Python marshmallow did not correctly handle hiding certain fields. An...

Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : zuluCrypt vulnerability (USN-8218-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8218-1 advisory. Aaron Rainbolt discovered that zuluCrypt used insecure PolicyKit settings in zuluPolkit. An attacker could possibly use this...

USN-8226-2: kmod update

USN-8226-1 added a mitigation to kmod to disable loading the algifaead module. This update adds the same mitigation to Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that the Linux kernel algifaead module contained a logic...

USN-8225-1 python-marshmallow vulnerabilities

Jared Deckard discovered that Python marshmallow did not correctly handle hiding certain fields. An attacker could possibly use this issue to leak sensitive information. This issue only affected Ubuntu 18.04 LTS. CVE-2018-17175 It was discovered that Python marshmallow did not efficiently handle...