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Ubuntu Security Notices (USN)

Source: https://ubuntu.com/security/notices

8,435 results · Feed

  • Unscored
    USN-8764-1 0 CVEs

    srt vulnerabilities

    It was discovered that SRT did not authenticate certain encryption control messages. A remote attacker could possibly use this issue to downgrade an encrypted connection and inject arbitrary content or interrupt a media stream. (CVE-2026-55868) It was discove…

    first Sep 15, 2026
  • High max 8.1
    USN-8739-2 15 CVEs

    imagemagick vulnerabilities

    USN-8739-1 fixed vulnerabilities in ImageMagick. This update provides the corresponding fixes for Ubuntu 24.04 LTS. Original advisory details: It was discovered that ImageMagick incorrectly handled certain images. An attacker could possibly use this issue to …

    first Sep 14, 2026
  • Critical max 9.4
    USN-8730-2 1 CVE

    linux-azure vulnerability

    A security issue was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystems: - IPv6 networking; - Netfilter;

  • High max 8.7
    USN-8744-1 5 CVEs

    python2.7, python3.4, python3.5, python3.6, python3.7, python3.8, python3.9, python3.10, python3.11, python3.12, python3.14 vulnerabilities

    It was discovered that Python's http.cookies module incorrectly handled control characters in certain cookie operations. An attacker could possibly use this issue to inject arbitrary content. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu…

    first Sep 10, 2026
  • High max 7.5
    USN-8758-1 1 CVE

    dracut vulnerability

    It was discovered that dracut did not properly shell-quote messages written by the die() function to the emergency hook directory. An attacker on the adjacent network controlling a rogue DHCP server could use this issue to inject commands that execute as root…

    first Sep 14, 2026
  • High max 7.4
    USN-8756-1 1 CVE

    yelp vulnerability

    It was discovered that Yelp allowed help documents to execute arbitrary scripts. An attacker could possibly use this issue to trick a user into opening a specially crafted help document and obtain sensitive information.

  • High max 7.5
    USN-8754-1 1 CVE

    freeciv vulnerability

    It was discovered that Freeciv incorrectly handled certain network packets, resulting in a stack overflow. A remote attacker could possibly use this issue to cause Freeciv clients or servers to crash, resulting in a denial of service.

  • High max 8.1
    USN-8563-5 1 CVE

    A security issue was fixed in nginx.

    USN-8563-1 fixed vulnerabilities in nginx. The fix for CVE-2026-42533 was backed out in USN-8563-2 because it could cause a regression. This update includes a better fix for CVE-2026-42533. We apologize for the inconvenience. Original advisory details: It was…

  • High max 8.5
    USN-8755-1 1 CVE

    vips vulnerability

    It was discovered that libvips incorrectly handled specially crafted TIFF images when saving them as HEIF images. An attacker could possibly use this issue to cause libvips to crash, resulting in a denial of service.

  • High max 8.2
    USN-8752-1 1 CVE

    konsole vulnerability

    It was discovered that Konsole incorrectly handled certain URLs under specific circumstances. A remote attacker could possibly use this issue to execute arbitrary code.

  • Unscored
    USN-8757-1 1 CVE

    cgit vulnerability

    It was discovered that cgit incorrectly handled repository paths when HTTP cloning was enabled. A remote attacker could possibly use this issue to access files outside the repository and obtain sensitive information.

  • High max 7.4
    USN-8753-1 1 CVE

    libinput vulnerability

    It was discovered that libinput did not properly escape device properties. A local attacker could possibly use this issue to inject arbitrary udev properties and execute arbitrary code as root.

  • High max 8.1
    USN-8751-1 1 CVE

    urwid vulnerabilities

    Katriel Moses discovered that Urwid used a weak PRNG. A local attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

  • High max 8.8
    USN-8750-1 7 CVEs

    ffmpeg vulnerabilities

    Seung Min Shin discovered that FFmpeg did not correctly handle certain memory operations. If a user or automated system were tricked into opening a specially crafted file, an attacker could cause a denial of service. (CVE-2026-12706) Xinghang Lv discovered th…

  • High max 8.7
    USN-8749-1 2 CVEs

    civetweb vulnerabilities

    It was discovered that CivetWeb did not correctly handle parsing certain URIs. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2025-55…

  • High max 7.5
    USN-5624-1 11 CVEs

    linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-kvm, linux-lowlatency vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 21, 2022
  • High max 7.5
    USN-5630-1 6 CVEs

    linux-raspi-5.4 vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 22, 2022
  • Medium max 5.5
    USN-5600-1 2 CVEs

    linux-hwe-5.4 vulnerabilities

    Asaf Modelevsky discovered that the Intel(R) 10GbE PCI Express (ixgbe) Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. (CVE-2021-33061) It was discover…

    first Sep 5, 2022
  • High max 7.5
    USN-5621-1 2 CVEs

    linux, linux-aws, linux-aws-hwe, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, lnux-hwe, inux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 21, 2022
  • Medium max 6.9
    USN-5594-1 9 CVEs

    linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gke-5.15, linux-gkeop, linux-ibm, linux-kvm, linux-lowlatency vulnerabilities

    Asaf Modelevsky discovered that the Intel(R) 10GbE PCI Express (ixgbe) Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. (CVE-2021-33061) Moshe Kol, Amit…

    first Sep 2, 2022
  • Unscored
    USN-5679-1 9 CVEs

    linux-aws-hwe vulnerabilities

    It was discovered that the SUNRPC RDMA protocol implementation in the Linux kernel did not properly calculate the header size of a RPC message payload. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2022-0812) Moshe Kol,…

    first Oct 13, 2022
  • Unscored
    USN-5678-1 9 CVEs

    linux-aws, linux-gcp-4.15 vulnerabilities

    It was discovered that the SUNRPC RDMA protocol implementation in the Linux kernel did not properly calculate the header size of a RPC message payload. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2022-0812) Moshe Kol,…

    first Oct 13, 2022
  • Unscored
    USN-5669-2 9 CVEs

    linux-hwe, linux-oracle vulnerabilities

    It was discovered that the SUNRPC RDMA protocol implementation in the Linux kernel did not properly calculate the header size of a RPC message payload. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2022-0812) Moshe Kol,…

    first Oct 10, 2022
  • High max 7.5
    USN-5660-1 6 CVEs

    linux-gcp-5.4 vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Oct 6, 2022
  • High max 7.5
    USN-5654-1 6 CVEs

    linux-gke vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Oct 4, 2022
  • High max 7.5
    USN-5644-1 11 CVEs

    linux-gcp-5.15 vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 27, 2022
  • High max 7.5
    USN-5640-1 11 CVEs

    linux-oracle vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 26, 2022
  • High max 7.5
    USN-5635-1 11 CVEs

    linux-gkeop vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Sep 23, 2022
  • High max 7.5
    USN-5634-1 1 CVE

    linux-oem-5.17 vulnerability

    Domingo Dirutigliano and Nicola Guerrera discovered that the netfilter subsystem in the Linux kernel did not properly handle rules that truncated packets below the packet header size. When such rules are in place, a remote attacker could possibly use this to …

    first Sep 22, 2022
  • Medium max 6.9
    USN-5616-1 10 CVEs

    linux-intel-iotg vulnerabilities

    Asaf Modelevsky discovered that the Intel(R) 10GbE PCI Express (ixgbe) Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. (CVE-2021-33061) Moshe Kol, Amit…

    first Sep 16, 2022
  • Medium max 6.9
    USN-5602-1 9 CVEs

    linux-raspi vulnerabilities

    Asaf Modelevsky discovered that the Intel(R) 10GbE PCI Express (ixgbe) Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. (CVE-2021-33061) Moshe Kol, Amit…

    first Sep 8, 2022
  • Medium max 6.9
    USN-5599-1 9 CVEs

    linux-oracle vulnerabilities

    Asaf Modelevsky discovered that the Intel(R) 10GbE PCI Express (ixgbe) Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. (CVE-2021-33061) Moshe Kol, Amit…

    first Sep 5, 2022
  • Medium max 5.5
    USN-5595-1 2 CVEs

    linux-aws-5.4, linux-azure-5.4 vulnerabilities

    Asaf Modelevsky discovered that the Intel(R) 10GbE PCI Express (ixgbe) Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. (CVE-2021-33061) It was discover…

    first Sep 2, 2022
  • High max 7.5
    USN-5655-1 11 CVEs

    linux-intel-iotg vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Oct 4, 2022
  • Unscored
    USN-5598-1 1 CVE

    linux-oracle vulnerability

    It was discovered that the virtual terminal driver in the Linux kernel did not properly handle VGA console font changes, leading to an out-of-bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitra…

    first Sep 5, 2022
  • High max 8.7
    USN-8573-1 12 CVEs

    libde265 vulnerabilities

    It was discovered that libde265 did not properly manage memory under certain circumstances. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. (CVE-2023-51792) It …

    first Jul 20, 2026
  • Unscored
    USN-5390-1 3 CVEs

    linux, linux-aws, linux-azure, linux-gcp, linux-gke, linux-ibm, linux-kvm, linux-lowlatency vulnerabilities

    David Bouman discovered that the netfilter subsystem in the Linux kernel did not properly validate passed user register indices. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2022-1015) David Bouman disc…

    first Apr 26, 2022
  • Medium max 6.7
    USN-5467-1 21 CVEs

    linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-azure-fde, linux-gcp, linux-gcp-5.4, linux-gke, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities

    It was discovered that the Linux kernel did not properly restrict access to the kernel debugger when booted in secure boot environments. A privileged attacker could use this to bypass UEFI Secure Boot restrictions. (CVE-2022-21499) Aaron Adams discovered that…

    first Jun 8, 2022
  • High max 7.5
    USN-5515-1 10 CVEs

    linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

    Eric Biederman discovered that the cgroup process migration implementation in the Linux kernel did not perform permission checks correctly in some situations. A local attacker could possibly use this to gain administrative privileges. (CVE-2021-4197) Jann Hor…

    first Jul 13, 2022
  • High max 7.5
    USN-5652-1 2 CVEs

    linux-azure vulnerabilities

    It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute…

    first Oct 3, 2022