UBUNTU-CVE-2026-43272

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix possible dereference of uninitialized pointer There is a pointer headpage in rbmetavalidateevents which is not initialized at the beginning of a function. This pointer can be dereferenced if there is a failure...

UBUNTU-CVE-2026-43143

In the Linux kernel, the following vulnerability has been resolved: mfd: core: Add locking around 'mfdofnodelist' Manipulating a list in the kernel isn't safe without some sort of mutual exclusion. Add a mutex any time we access / modify 'mfdofnodelist' to prevent possible crashes...

UBUNTU-CVE-2026-43093

In the Linux kernel, the following vulnerability has been resolved: xsk: tighten UMEM headroom validation to account for tailroom and min frame The current headroom validation in xdpumemreg could leave us with insufficient space dedicated to even receive minimum-sized ethernet frame. Furthermore ...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 : nghttp2 vulnerability (USN-8233-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by a vulnerability as referenced in the USN-8233-1 advisory. Andrew MacPherson discovered that nghttp2 did not properly validate internal state when the session...

UBUNTU-CVE-2026-43071

In the Linux kernel, the following vulnerability has been resolved: dcache: Limit the minimal number of bucket to two There is an OOB read problem on dentryhashtable when user sets 'dhashentries=1': BUG: unable to handle page fault for address: ffff888b30b774b0 PF: supervisor read access in kerne...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Exim vulnerabilities (USN-8228-1)

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-8228-1 advisory. It was discovered that Exim incorrectly handled parsing malformed JSON in message headers. A remote attacker could possib...

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 22.04 LTS / 24.04 LTS / 25.10 : kmod update (USN-8226-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by a vulnerability as referenced in the USN-8226-1 advisory. It was discovered that the Linux kernel algifaead module contained a logic flaw allowing a local attacker to escalate privileges to root. This...

UBUNTU-CVE-2026-31769

In the Linux kernel, the following vulnerability has been resolved: gpib: fix use-after-free in IO ioctl handlers The IBRD, IBWRT, IBCMD, and IBWAIT ioctl handlers use a gpibdescriptor pointer after board-biggpibmutex has been released. A concurrent IBCLOSEDEV ioctl can free the descriptor via...

UBUNTU-CVE-2026-43506

An issue was discovered in Prosody before 0.12.6 and 1.0.0 through 13.0.0 before 13.0.5. A Denial of Service can occur via memory exhaustion caused by memory leaks from unauthenticated connections...

UBUNTU-CVE-2026-6528

TLS protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 allows denial of service...

UBUNTU-CVE-2026-6869

WebSocket protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

UBUNTU-CVE-2026-6532

Kismet protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

UBUNTU-CVE-2026-6538

BEEP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

UBUNTU-CVE-2026-6529

iLBC audio codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

UBUNTU-CVE-2026-5408

BT-DHT protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service...

UBUNTU-CVE-2026-41526

In KDE KCoreAddons before 6.25, KShell::quoteArgs is intended to safely quote arguments so that they can be passed to a shell command. This parsing does not adequately handle metacharacters, leading to an escape from the shell. All applications relying on this method in a security-critical path t...

UBUNTU-CVE-2026-31687

In the Linux kernel, the following vulnerability has been resolved: gpio: omap: do not register driver in probe Commit 11a78b794496 "ARM: OMAP: MPUIO wake updates" registers the omapmpuiodriver from omapmpuioinit, which is called from omapgpioprobe. However, it neither makes sense to register...

UBUNTU-CVE-2026-41416

PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, there is an integer overflow in media stream buffer size calculation when processing SDP with asymmetric ptime configuration. The overflow may result in an undersized buffer allocation, which can...

UBUNTU-CVE-2026-42037

Axios is a promise based HTTP client for the browser and Node.js. From 1.0.0 to before 1.15.1, the FormDataPart constructor in lib/helpers/formDataToStream.js interpolates value.type directly into the Content-Type header of each multipart part without sanitizing CRLF \r\n sequences. An attacker w...