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Ubuntu Security Notices (USN)

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

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  • Critical max 9.0
    USN-4010-1 1 CVE 1 exploited

    exim4 vulnerability

    It was discovered that Exim incorrectly handled certain decoding operations. A remote attacker could possibly use this issue to execute arbitrary commands.

    first Jun 5, 2019
  • High max 7.8
    USN-3937-1 6 CVEs 1 exploited

    apache2 vulnerabilities

    Charles Fol discovered that the Apache HTTP Server incorrectly handled the scoreboard shared memory area. A remote attacker able to upload and run scripts could possibly use this issue to execute arbitrary code with root privileges. (CVE-2019-0211) It was dis…

    first Apr 4, 2019
  • High max 8.8
    USN-3948-1 14 CVEs 1 exploited

    webkit2gtk vulnerabilities

    A large number of 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 …

    first Apr 16, 2019
  • High max 8.8
    USN-4234-1 8 CVEs 1 exploited

    firefox vulnerabilities

    Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, bypass Content Security Policy (CSP)…

    first Jan 9, 2020
  • High max 7.8
    USN-3775-1 6 CVEs 1 exploited

    linux vulnerabilities

    It was discovered that the paravirtualization implementation in the Linux kernel did not properly handle some indirect calls, reducing the effectiveness of Spectre v2 mitigations for paravirtual guests. A local attacker could use this to expose sensitive info…

    first Oct 1, 2018
  • Critical max 9.8
    USN-3565-1 1 CVE 1 exploited

    exim4 vulnerability

    Meh Chang discovered that Exim incorrectly handled memory in certain decoding 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 Feb 12, 2018
  • Critical max 9.8
    USN-3296-1 1 CVE 1 exploited

    samba vulnerability

    It was discovered that Samba incorrectly handled shared libraries. A remote attacker could use this flaw to upload a shared library to a writable share and execute arbitrary code.

    first May 24, 2017
  • High max 7.8
    USN-3272-1 6 CVEs 1 exploited

    ghostscript vulnerabilities

    It was discovered that Ghostscript improperly handled parameters to the rsdparams and eqproc commands. An attacker could use these to craft a malicious document that could disable -dSAFER protections, thereby allowing the execution of arbitrary code, or cause…

    first Apr 28, 2017
  • High max 8.8
    USN-3236-1 11 CVEs 1 exploited

    oxide-qt vulnerabilities

    Multiple vulnerabilities were discovered in Chromium. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to obtain sensitive information, spoof application UI by causing the security status API or web…

    first Mar 29, 2017
  • High max 8.8
    USN-3166-1 18 CVEs 1 exploited

    webkit2gtk vulnerabilities

    A large number of 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 …

    first Jan 10, 2017
  • High max 7.5
    USN-3141-1 6 CVEs 1 exploited

    thunderbird vulnerabilities

    Christian Holler, Jon Coppeard, Olli Pettay, Ehsan Akhgari, Gary Kwong, Tooru Fujisawa, and Randell Jesup discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially …

    first Dec 1, 2016
  • High max 7.5
    USN-3140-1 2 CVEs 1 exploited

    firefox vulnerabilities

    It was discovered that data: URLs can inherit the wrong origin after a HTTP redirect in some circumstances. An attacker could potentially exploit this to bypass same-origin restrictions. (CVE-2016-9078) A use-after-free was discovered in SVG animations. If a …

    first Nov 30, 2016
  • High max 7.0
    USN-3106-1 1 CVE 1 exploited

    linux vulnerability

    It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges.

    first Oct 20, 2016
  • High max 8.8
    USN-3133-1 4 CVEs 1 exploited

    oxide-qt vulnerabilities

    Multiple security vulnerabilities were discovered in Chromium. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to obtain sensitive information, cause a denial of service via application crash, or e…

    first Dec 1, 2016
  • High max 7.0
    USN-3105-1 1 CVE 1 exploited

    linux vulnerability

    It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges.

    first Oct 20, 2016
  • High max 8.4
    USN-2990-1 6 CVEs 3 exploited

    imagemagick vulnerabilities

    Nikolay Ermishkin and Stewie discovered that ImageMagick incorrectly sanitized untrusted input. A remote attacker could use these issues to execute arbitrary code. These issues are known as "ImageTragick". This update disables problematic coders via the /etc/…

    first Jun 2, 2016
  • High max 8.8
    USN-2955-1 9 CVEs 1 exploited

    oxide-qt vulnerabilities

    A use-after-free was discovered when responding synchronously to permission requests. An attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking the program…

    first Apr 27, 2016
  • High max 8.8
    USN-2707-1 1 CVE 1 exploited

    firefox vulnerability

    Cody Crews discovered a way to violate the same-origin policy to inject script in to a non-privileged part of the PDF viewer. If a user were tricked in to opening a specially crafted website, an attacker could exploit this to read sensitive information from l…

    first Aug 7, 2015
  • High max 7.8
    USN-2240-1 3 CVEs 1 exploited

    linux vulnerabilities

    Pinkie Pie discovered a flaw in the Linux kernel's futex subsystem. An unprivileged local user could exploit this flaw to cause a denial of service (system crash) or gain administrative privileges. (CVE-2014-3153) An information leak was discovered in the net…

    first Jun 5, 2014
  • Medium max 5.5
    USN-2204-1 1 CVE 1 exploited

    linux vulnerability

    A flaw was discovered in the Linux kernel's pseudo tty (pty) device. An unprivileged user could exploit this flaw to cause a denial of service (system crash) or potentially gain administrator privileges.

    first May 6, 2014
  • High max 7.5
    USN-8160-1 1 CVE 1 exploited

    mongodb vulnerability

    It was discovered that MongoDB incorrectly handled length parameters in zlib-compressed network messages prior to authentication. An unauthenticated remote attacker could possibly use this issue to cause MongoDB to allocate an oversized memory buffer, resulti…

    first Apr 9, 2026
  • Critical max 9.8
    USN-7992-1 1 CVE 1 exploited

    inetutils vulnerability

    Kyu Neushwaistein discovered that telnetd in Inetutils incorrectly handled certain environment variables. A remote attacker could use this issue to bypass authentication and open a session as an administrator.

    first Feb 2, 2026
  • Critical max 9.3
    USN-7604-1 2 CVEs 1 exploited

    sudo vulnerabilities

    Rich Mirch discovered that Sudo incorrectly handled the host option. In environments where per-host rules are configured in the sudoers file, a local attacker could use this issue to bypass the host restrictions. (CVE-2025-32462) Rich Mirch discovered that Su…

    first Jun 30, 2025
  • Critical max 10.0
    USN-7268-1 2 CVEs 1 exploited

    activemq vulnerabilities

    It was discovered that Apache ActiveMQ incorrectly handled authentication. A remote attacker could possibly use this issue to run arbitrary code. (CVE-2022-41678) It was discovered that Apache ActiveMQ incorrectly handled deserialization. A remote attacker co…

    first Feb 14, 2025
  • Medium max 6.9
    USN-7246-1 2 CVEs 1 exploited

    jquery vulnerabilities

    It was discovered that jQuery incorrectly handled parsing untrusted HTML. A remote attacker could possibly use this issue to execute arbitrary code.

    first Jan 30, 2025
  • Critical max 9.8
    USN-7242-1 1 CVE 1 exploited

    tomcat6 vulnerability

    Pierre Ernst discovered that the Tomcat JmxRemoteLifecycleListener did not implement a recommended fix. A remote attacker could possibly use this issue to execute arbitrary code.

    first Jan 30, 2025
  • Critical max 9.8
    USN-7181-1 1 CVE 1 exploited

    salt vulnerability

    It was discovered that Salt incorrectly handled web requests when the SSH client was enabled. An attacker could possibly use this issue to achieve remote code execution or obtain sensitive information.

    first Jan 6, 2025
  • High max 7.8
    USN-6278-2 3 CVEs 1 exploited

    dotnet6, dotnet7 vulnerabilities

    USN-6278-1 fixed several vulnerabilities in .NET. This update provides the corresponding updates for Ubuntu 22.04 LTS. Original advisory details: It was discovered that .NET did properly handle the execution of certain commands. An attacker could possibly use…

    first Aug 10, 2023
  • High max 8.8
    USN-5350-1 1 CVE 1 exploited

    chromium-browser vulnerability

    It was discovered that Chromium incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code.

    first Mar 28, 2022
  • Critical max 10.0
    USN-5316-1 1 CVE 1 exploited

    redis vulnerability

    Reginaldo Silva discovered that due to a packaging issue, a remote attacker with the ability to execute arbitrary Lua scripts could possibly escape the Lua sandbox and execute arbitrary code on the host.

    first Mar 8, 2022
  • Critical max 10.0
    USN-5197-1 2 CVEs 2 exploited

    apache-log4j2 vulnerability

    It was found that the fix to address CVE-2021-44228 in Apache Log4j 2.15.0 was incomplete in certain non-default configurations. An attacker could use this vulnerability to cause a denial of service. Please see the following link for more information: https:/…

    first Dec 15, 2021
  • Critical max 10.0
    USN-5192-1 1 CVE 1 exploited

    apache-log4j2 vulnerability

    Chen Zhaojun discovered that Apache Log4j 2 allows remote attackers to run programs via a special crafted input. An attacker could use this vulnerability to cause a denial of service or possibly execute arbitrary code. Please see the following link for more i…

    first Dec 14, 2021
  • Medium max 6.8
    USN-4987-1 1 CVE 1 exploited

    libimage-exiftool-perl vulnerability

    It was discovered that ExifTool did not properly sanitize user data for the DjVu file format. An attacker could use this vulnerability to cause a DoS or possibly execute arbitrary code.

    first Jun 10, 2021
  • High max 7.5
    USN-4723-1 1 CVE 1 exploited

    php-pear vulnerability

    It was discovered that PEAR incorrectly handled symbolic links in archives. A remote attacker could possibly use this issue to execute arbitrary code.

    first Feb 8, 2021
  • High max 7.8
    USN-4705-2 1 CVE 1 exploited

    sudo vulnerability

    USN-4705-1 fixed a vulnerability in Sudo. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that Sudo incorrectly handled memory when parsing command lines. A local attacker c…

    first Jan 27, 2021
  • High max 7.8
    USN-4654-1 2 CVEs 1 exploited

    php-pear vulnerabilities

    It was discovered that PEAR incorrectly sanitized filenames. A remote attacker could possibly use this issue to execute arbitrary code.

    first Dec 1, 2020
  • Critical max 9.8
    USN-4268-1 1 CVE 1 exploited

    OpenSMTPD vulnerability

    It was discovered that OpenSMTPD incorrectly verified the sender's or receiver's e-mail addresses under certain conditions. An attacker could use this vulnerability to execute arbitrary commands as root.

    first Feb 5, 2020
  • High max 7.0
    USN-3106-4 1 CVE 1 exploited

    linux-snapdragon vulnerability

    It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges.

    first Oct 20, 2016
  • High max 7.0
    USN-3106-3 1 CVE 1 exploited

    linux-raspi2 vulnerability

    It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges.

    first Oct 20, 2016
  • High max 7.0
    USN-3106-2 1 CVE 1 exploited

    linux-lts-xenial vulnerability

    USN-3106-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. It was discovered that a race condition existe…

    first Oct 20, 2016