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Ubuntu Security Notices (USN)

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

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  • High max 8.8
    USN-8059-6 2 CVEs

    linux-aws, linux-aws-6.8, linux-ibm, linux-ibm-6.8, linux-xilinx 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)

    first Feb 26, 2026
  • High max 8.8
    USN-8059-5 2 CVEs

    linux-fips, linux-gcp-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: - SMB network file system; (CVE-2025-22037, CVE-2025-37899)

    first Feb 25, 2026
  • High max 8.3
    USN-8039-1 1 CVE

    libpng1.6 vulnerability

    It was discovered that the libpng simplified API incorrectly handled quantizing RGB images. If a user or automated system were tricked into opening a specially crafted PNG file, an attacker could use this issue to cause libpng to crash, resulting in a denial …

    first Feb 12, 2026
  • High max 8.3
    USN-8081-1 2 CVEs

    libpng vulnerabilities

    It was discovered that libpng did not properly handle memory when processing certain PNG files. An attacker could possibly use this issue to cause libpng to crash, resulting in a denial of service, or disclose sensitive information. (CVE-2025-64505) Joshua In…

    first Mar 11, 2026
  • High max 8.8
    USN-8059-4 2 CVEs

    linux-realtime, linux-realtime-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: - SMB network file system; (CVE-2025-22037, CVE-2025-37899)

    first Feb 25, 2026
  • High max 8.8
    USN-8059-3 2 CVEs

    linux-gcp, linux-gcp-6.8, linux-gke, 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: - SMB network file system; (CVE-2025-22037, CVE-2025-37899)

    first Feb 25, 2026
  • High max 8.8
    USN-8059-2 2 CVEs

    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: - SMB network file system; (CVE-2025-22037, CVE-2025-37899)

    first Feb 24, 2026
  • High max 8.6
    USN-8047-1 1 CVE

    pillow vulnerability

    Yarden Porat discovered that Pillow incorrectly handled certain malformed PSD images. An attacker could use this issue to cause Pillow to crash, resulting in a denial of service, or possibly execute arbitrary code.

    first Feb 17, 2026
  • High max 7.7
    USN-8040-1 1 CVE

    munge vulnerability

    Titouan Lazard discovered that MUNGE contained an exploitable buffer overflow in munged (the MUNGE authentication daemon). A local attacker could possibly use this issue to forge MUNGE credentials, leading to arbitrary code execution.

    first Feb 12, 2026
  • High max 8.3
    USN-8035-1 4 CVEs

    libpng1.6 vulnerabilities

    It was discovered that the libpng simplified API incorrectly processed palette PNG images with partial transparency and gamma correction. If a user or automated system were tricked into opening a specially crafted PNG file, an attacker could use this issue to…

    first Feb 12, 2026
  • High max 8.8
    USN-8059-8 2 CVEs

    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)

    first Mar 10, 2026
  • High max 8.8
    USN-8059-7 2 CVEs

    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: - SMB network file system; (CVE-2025-22037, CVE-2025-37899)

    first Mar 4, 2026
  • High max 7.7
    USN-8004-2 1 CVE

    freerdp2 regression

    USN-8004-1 fixed vulnerabilities in FreeRDP. The update for CVE-2026-23533 introduced a regression. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Kim Dong Han discovered that FreeRDP did not correctly validate t…

    first Feb 8, 2026
  • High max 7.7
    USN-8004-1 5 CVEs

    freerdp2 vulnerabilities

    Kim Dong Han discovered that FreeRDP did not correctly validate the size of certain variables, which could cause a buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

    first Feb 3, 2026
  • High max 8.6
    USN-8027-1 3 CVEs

    python-multipart vulnerabilities

    It was discovered that Python-Multipart incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause Python-Multipart to consume excessive resources, leading to a regular expression denial of service. This issue only aff…

    first Feb 11, 2026
  • High max 8.1
    USN-8021-1 1 CVE

    imagemagick vulnerability

    Benny Isaacs discovered that ImageMagick did not properly manage memory when processing certain image files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

    first Feb 10, 2026
  • High max 8.8
    USN-7980-1 12 CVEs

    openssl vulnerabilities

    Stanislav Fort, Petr Šimeček, and Hamza discovered that OpenSSL incorrectly validated PBMAC1 parameters when doing PKCS#12 MAC verification. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue only…

    first Jan 27, 2026
  • High max 7.2
    USN-7679-1 2 CVEs

    sqlite3 vulnerabilities

    It was discovered that SQLite incorrectly handled aggregate terms. An attacker could use this issue to cause SQLite to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2025-6965) It was discovered that SQLite incorrectly handl…

    first Jul 29, 2025
  • High max 8.1
    USN-7619-1 7 CVEs

    libssh vulnerabilities

    Ronald Crane discovered that libssh incorrectly handled certain base64 conversions. An attacker could use this issue to cause libssh to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2025-4877) Ronald Crane discovered that l…

    first Jul 7, 2025
  • High max 8.6
    USN-8263-1 15 CVEs

    imagemagick vulnerabilities

    It was discovered that ImageMagick incorrectly handled certain malformed image files in certain instances. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could possibly use these issues to caus…

    first May 11, 2026
  • High max 7.2
    USN-7676-1 1 CVE

    sqlite3 vulnerability

    It was discovered that SQLite incorrectly handled certain numbers of aggregate terms. An attacker could use this issue to cause SQLite to crash, resulting in a denial of service, or possibly execute arbitrary code.

    first Jul 28, 2025
  • High max 8.8
    USN-6831-1 42 CVEs

    linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4, linux-xilinx-zynqmp vulnerabilities

    It was discovered that the HugeTLB file system component of the Linux Kernel contained a NULL pointer dereference vulnerability. A privileged attacker could possibly use this to to cause a denial of service. (CVE-2024-0841) Several security issues were discov…

    first Jun 12, 2024
  • High max 7.8
    USN-7402-1 8 CVEs 1 exploited

    linux, linux-aws, linux-gcp, linux-gke, linux-gkeop, linux-ibm, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-oem-6.8, 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: - Block layer subsystem; - GPU drivers; - HID subsystem; - Media drivers; - JFS…

    first Apr 1, 2025
  • High max 7.8
    USN-7402-4 8 CVEs 1 exploited

    linux-azure, linux-azure-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: - Block layer subsystem; - GPU drivers; - HID subsystem; - Media drivers; - JFS…

    first Apr 7, 2025
  • High max 7.8
    USN-7402-3 8 CVEs 1 exploited

    linux-nvidia, linux-nvidia-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: - Block layer subsystem; - GPU drivers; - HID subsystem; - Media drivers; - JFS…

    first Apr 4, 2025
  • High max 7.8
    USN-7402-5 8 CVEs 1 exploited

    linux-gcp-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: - Block layer subsystem; - GPU drivers; - HID subsystem; - Media drivers; - JFS…

    first Apr 22, 2025
  • High max 7.8
    USN-7402-2 8 CVEs 1 exploited

    linux-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: - Block layer subsystem; - GPU drivers; - HID subsystem; - Media drivers; - JFS…

    first Apr 1, 2025
  • High max 8.8
    USN-7142-1 2 CVEs 2 exploited

    webkit2gtk vulnerabilities

    Several security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting a…

    first Dec 9, 2024
  • High max 7.8
    USN-6938-1 31 CVEs

    linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities

    It was discovered that the device input subsystem in the Linux kernel did not properly handle the case when an event code falls outside of a bitmap. A local attacker could use this to cause a denial of service (system crash). (CVE-2022-48619) 黄思聪 discovered t…

    first Jul 31, 2024
  • High max 8.8
    USN-6926-3 30 CVEs

    linux-azure vulnerabilities

    黄思聪 discovered that the NFC Controller Interface (NCI) implementation in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a den…

    first Aug 9, 2024
  • High max 8.8
    USN-6867-1 41 CVEs

    linux-bluefield, linux-iot vulnerabilities

    It was discovered that the HugeTLB file system component of the Linux Kernel contained a NULL pointer dereference vulnerability. A privileged attacker could possibly use this to to cause a denial of service. (CVE-2024-0841) Several security issues were discov…

    first Jul 3, 2024
  • High max 7.3
    USN-6925-1 1 CVE

    linux vulnerability

    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: - IPv4 networking; (CVE-2024-26882)

    first Jul 29, 2024
  • High max 8.8
    USN-6926-1 30 CVEs

    linux, linux-aws, linux-aws-hwe, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle vulnerabilities

    黄思聪 discovered that the NFC Controller Interface (NCI) implementation in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a den…

    first Jul 29, 2024
  • High max 8.8
    USN-6926-2 30 CVEs

    linux-azure, linux-azure-4.15 vulnerabilities

    黄思聪 discovered that the NFC Controller Interface (NCI) implementation in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a den…

    first Aug 1, 2024
  • High max 7.8
    USN-6154-1 3 CVEs

    vim vulnerabilities

    It was discovered that Vim was using uninitialized memory when fuzzy matching, which could lead to invalid memory access. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 22.04 L…

    first Jun 12, 2023
  • High max 8.6
    USN-8259-1 3 CVEs

    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. (CV…

    first May 7, 2026
  • High max 8.1
    USN-8955-1 5 CVEs

    nginx vulnerabilities

    It was discovered that nginx incorrectly handled certain configurations using the alias directive together with rewrite rules. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service, or execute arbitrary code…

  • High max 7.1
    USN-7122-1 1 CVE

    linux 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: - x86 architecture;

    first Nov 19, 2024
  • High max 7.8
    USN-7020-1 6 CVEs

    linux, linux-aws, linux-gcp, linux-gke, linux-ibm, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, linux-oem-6.8, linux-oracle 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: - GPU drivers; - Network drivers; - SCSI drivers; - F2FS file system; - BPF sub…

    first Sep 18, 2024
  • High max 7.8
    USN-7020-3 6 CVEs

    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: - GPU drivers; - Network drivers; - SCSI drivers; - F2FS file system; - BPF sub…

    first Sep 26, 2024