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Ubuntu Security Notices (USN)

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

8,464 results · Feed

  • High max 7.8
    USN-7601-1 4 CVEs

    libarchive vulnerabilities

    It was discovered that libarchive incorrectly handled certain RAR archive files. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service. (CVE-2025-5914) It was discovered that libarchive incorrectly handled certain RA…

    first Jun 26, 2025
  • Medium max 5.9
    USN-7617-1 1 CVE

    libtpms vulnerability

    It was discovered that libtpms did not properly manage memory when performing crafted cryptographic operations. An attacker could possibly use this issue to cause a denial of service.

    first Jul 3, 2025
  • High max 8.4
    USN-7631-1 1 CVE

    djvulibre vulnerability

    It was discovered that DjVuLibre incorrectly handled certain memory operations. If a user or automated system were tricked into processing a specially crafted DjVu file, a remote attacker could cause applications to stop responding or crash, resulting in a de…

    first Jul 9, 2025
  • Critical max 9.4
    USN-7583-1 5 CVEs

    python3.13, python3.12 vulnerabilities

    It was discovered that Python incorrectly handled tar archive extraction with the filtering option. An attacker could possibly use this issue to modify files in arbitrary filesystem locations and cause data loss.

    first Jun 19, 2025
  • High max 7.0
    USN-7577-1 1 CVE

    libblockdev vulnerability

    It was discovered that libblockdev incorrectly handled mount options when resizing certain filesystems. A local attacker with an active session on the console can use this issue to escalate their privileges to root.

    first Jun 18, 2025
  • High max 8.8
    USN-7566-1 6 CVEs

    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 Jun 11, 2025
  • Medium max 4.7
    USN-7559-1 1 CVE

    systemd vulnerability

    Qualys discovered that systemd incorrectly handled metadata when processing application crashes. An attacker could possibly use this issue to expose sensitive information.

    first Jun 9, 2025
  • High max 7.0
    USN-7577-2 1 CVE

    libblockdev vulnerability

    USN-7577-1 fixed a vulnerability in libblockdev. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that libblockdev incorrectly handled mount options when resizing certain fil…

    first Jun 18, 2025
  • High max 7.0
    USN-7578-1 1 CVE

    udisks2 vulnerability

    It was discovered that UDisks incorrectly handled mount options when resizing certain filesystems. A local attacker with an active session on the console can use this issue to escalate their privileges to root.

    first Jun 18, 2025
  • High max 7.8
    USN-7541-1 1 CVE

    glibc vulnerability

    It was discovered that the GNU C Library incorrectly search LD_LIBRARY_PATH to determine which library to load when statically linked setuid binary calls dlopen. A local attacker could possibly use this issue to cause a denial of service or execute arbitrary …

    first May 28, 2025
  • High max 7.0
    USN-7578-2 1 CVE

    udisks2 vulnerability

    USN-7578-1 fixed a vulnerability in UDisks. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that UDisks incorrectly handled mount options when resizing certain filesystems. …

    first Jun 18, 2025
  • Low max 2.4
    USN-7504-1 1 CVE

    libreoffice vulnerability

    Juraj Šarinay discovered that LibreOffice incorrectly handled verifying PDF signatures. A remote attacker could possibly use this issue to generate PDF files that appear to have a valid signature.

    first May 8, 2025
  • Medium max 6.1
    USN-7508-1 1 CVE

    open-vm-tools vulnerability

    It was discovered that Open VM Tools incorrectly handled certain file operations. An attacker in a guest could use this issue to perform insecure file operations and possibly elevate privileges in the guest.

    first May 13, 2025
  • Medium max 5.6
    USN-7467-1 2 CVEs

    libxml2 vulnerabilities

    It was discovered that the libxml2 Python bindings incorrectly handled certain return values. An attacker could possibly use this issue to cause libxml2 to crash, resulting in a denial of service. (CVE-2025-32414) It was discovered that libxml2 incorrectly ha…

    first Apr 28, 2025
  • High max 8.7
    USN-7435-1 1 CVE

    protobuf vulnerability

    It was discovered that Protocol Buffers incorrectly handled memory when receiving malicious input using the Java bindings. An attacker could possibly use this issue to cause a denial of service.

    first Apr 14, 2025
  • High max 8.7
    USN-7414-1 1 CVE

    xz-utils vulnerability

    Harri K. Koskinen discovered that XZ Utils incorrectly handled the threaded xz decoder. If a user or automated system were tricked into processing an xz file, a remote attacker could use this issue to cause XZ Utils to crash, resulting in a denial of service,…

    first Apr 3, 2025
  • Medium max 4.3
    USN-7471-1 1 CVE

    poppler vulnerabilities

    It was discovered that poppler did not properly verify adbe.pkcs7.sha1 signatures in PDF documents. An attacker could possibly use this issue to create documents with forged signatures that are treated as legitimately signed.

    first Apr 29, 2025
  • Medium max 4.5
    USN-7473-1 1 CVE

    ghostscript vulnerability

    It was discovered that Ghostscript incorrectly handled parsing certain PS files. An attacker could use this issue to cause Ghostscript to crash, resulting in a denial of service, or possibly bypass file path validation.

    first May 1, 2025
  • Critical max 10.0
    USN-7443-1 1 CVE 1 exploited

    erlang vulnerability

    Fabian Bäumer, Marcel Maehren, Marcus Brinkmann, and Jörg Schwenk discovered that Erlang OTP’s SSH module incorrect handled authentication. A remote attacker could use this issue to execute arbitrary commands without authentication, possibly leading to a syst…

    first Apr 17, 2025
  • Critical max 9.8
    USN-7436-1 7 CVEs

    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 Apr 14, 2025
  • Medium max 4.0
    USN-7454-1 2 CVEs

    libarchive vulnerabilities

    It was discovered that the libarchive bsdunzip utility incorrectly handled certain ZIP archive files. If a user or automated system were tricked into processing a specially crafted ZIP archive, an attacker could use this issue to cause libarchive to crash, re…

    first Apr 23, 2025
  • Critical max 10.0
    USN-7395-1 3 CVEs 1 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 Mar 31, 2025
  • Critical max 9.8
    USN-7378-1 7 CVEs

    ghostscript vulnerabilities

    It was discovered that Ghostscript incorrectly serialized DollarBlend in certain fonts. An attacker could use this issue to cause Ghostscript to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2025-27830) It was discovered th…

    first Mar 27, 2025
  • Medium max 4.0
    USN-7426-1 2 CVEs

    poppler vulnerabilities

    It was discovered that poppler incorrectly handled memory when opening certain PDF files. An attacker could possibly use this issue to cause poppler to crash, resulting in a denial of service.

    first Apr 8, 2025
  • Critical max 10.0
    USN-7397-1 1 CVE

    aom vulnerability

    Xiantong Hou discovered that AOM did not properly handle certain malformed media files. If an application using AOM opened a specially crafted file, a remote attacker could cause a denial of service, or possibly execute arbitrary code.

    first Mar 31, 2025
  • High max 8.4
    USN-7434-1 1 CVE

    perl vulnerability

    It was discovered that Perl incorrectly handled transliterating non-ASCII bytes. A remote attacker could use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code.

    first Apr 14, 2025
  • High max 8.1
    USN-7373-1 1 CVE

    exim4 vulnerability

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

    first Mar 26, 2025
  • High max 7.8
    USN-7357-1 1 CVE

    libxslt vulnerability

    Ivan Fratric discovered that Libxslt incorrectly handled certain memory operations when handling documents. A remote attacker could use this issue to cause Libxslt to crash, resulting in a denial of service, or possibly execute arbitrary code.

    first Mar 19, 2025
  • Medium max 5.6
    USN-7423-1 5 CVEs

    binutils vulnerabilities

    It was discovered that GNU binutils incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash, expose sensitive information or execute arbitrary code. (CVE-2025-1153, CVE-2025-1182) It was discovered that ld in GNU binutil…

    first Apr 7, 2025
  • Medium max 5.3
    USN-7369-1 5 CVEs

    elfutils vulnerabilities

    It was discovered that readelf from elfutils could be made to read out of bounds. If a user or automated system were tricked into running readelf on a specially crafted file, an attacker could cause readelf to crash, resulting in a denial of service. This iss…

    first Mar 24, 2025
  • High max 8.1
    USN-7352-1 1 CVE 1 exploited

    freetype vulnerability

    It was discovered that FreeType incorrectly handled certain memory operations when parsing font subglyph structures. A remote attacker could use this issue to cause FreeType to crash, resulting in a denial of service, or possibly execute arbitrary code.

    first Mar 17, 2025
  • High max 7.2
    USN-7337-1 1 CVE

    libreoffice vulnerability

    It was discovered that LibreOffice incorrectly handled Office URI Schemes. If a user or automated system were tricked into opening a specially crafted LibreOffice file, a remote attacker could possibly use this issue to call internal macros.

    first Mar 10, 2025
  • Critical max 9.3
    USN-7316-1 3 CVEs

    raptor2 vulnerabilities

    It was discovered that Raptor incorrectly handled memory operations when processing certain input files. A remote attacker could possibly use this issue to cause Raptor to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS and …

    first Mar 3, 2025
  • High max 7.8
    USN-7361-1 1 CVE

    libxslt vulnerability

    Ivan Fratric discovered that Libxslt incorrectly handled certain memory operations when handling documents. A remote attacker could use this issue to cause Libxslt to crash, resulting in a denial of service, or possibly execute arbitrary code.

    first Mar 20, 2025
  • Medium max 6.5
    USN-7317-1 3 CVEs

    wpa vulnerabilities

    George Chatzisofroniou and Panayiotis Kotzanikolaou discovered that wpa_supplicant and hostapd reused encryption elements in the PKEX protocol. An attacker could possibly use this issue to impersonate a wireless access point, and obtain sensitive information.…

    first Mar 3, 2025
  • Medium max 5.5
    USN-7306-1 2 CVEs

    binutils vulnerabilities

    It was discovered that GNU binutils in nm tool is affected by an incorrect access control. An attacker could possibly use this issue to cause a crash. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 24.10. (CVE-2024-57360) It was disco…

    first Feb 26, 2025
  • High max 8.8
    USN-7279-1 4 CVEs

    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 Feb 20, 2025
  • Medium max 5.3
    USN-7273-1 2 CVEs

    libsndfile vulnerabilities

    It was discovered that libsndfile incorrectly handled memory when executing its FLAC codec. If a user or automated system were tricked into processing a specially crafted sound file, an attacker could possibly use this issue to cause a denial of service or ob…

    first Feb 18, 2025
  • Unscored
    USN-7256-2 0 CVEs

    ruby2.7 regression

    USN-7256-1 fixed vulnerabilities in Ruby. The update introduced a minor regression. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Ruby incorrectly handled parsing of an XML document that h…

    first Feb 13, 2025
  • High max 8.1
    USN-7240-1 2 CVEs

    libxml2 vulnerabilities

    It was discovered that libxml2 incorrectly handled certain memory operations. A remote attacker could use this issue to cause libxml2 to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2022-49043) It was discovered that the l…

    first Jan 29, 2025