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Ubuntu Security Notices (USN)

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

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  • Critical max 9.8
    USN-6849-1 2 CVEs 2 exploited

    salt vulnerabilities

    It was discovered that Salt incorrectly validated method calls and sanitized paths. A remote attacker could possibly use this issue to access some methods without authentication. (CVE-2020-11651, CVE-2020-11652)

    first Jun 25, 2024
  • Critical max 9.0
    USN-5090-2 3 CVEs 1 exploited

    apache2 vulnerabilities

    USN-5090-1 fixed several vulnerabilities in Apache. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that the Apache HTTP Server incorrectly handled certain malformed request…

    first Sep 27, 2021
  • Critical max 9.8
    USN-4919-1 1 CVE 1 exploited

    openslp-dfsg vulnerability

    It was discovered that OpenSLP did not properly validate URLs. A remote attacker could use this issue to cause OpenSLP to crash or possibly execute arbitrary code.

    first Apr 19, 2021
  • Critical max 9.8
    USN-4875-1 3 CVEs 1 exploited

    opensmtpd vulnerabilities

    It was discovered that OpenSMTPD incorrectly verified the sender's or receiver's e-mail addresses under certain conditions. An attacker could possibly use this vulnerability to execute arbitrary commands as root. (CVE-2020-7247) It was discovered that OpenSMT…

    first Mar 15, 2021
  • Critical max 9.9
    USN-7584-1 1 CVE 1 exploited

    roundcube vulnerability

    It was discovered that Roundcube Webmail did not properly sanitize the _from parameter in a URL, leading to PHP Object Deserialization. A remote attacker could possibly use this issue to execute arbitrary code.

    first Jun 19, 2025
  • Critical max 10.0
    USN-7443-3 1 CVE 1 exploited

    erlang vulnerability

    USN-7443-1 fixed a vulnerability in Erlang. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: Fabian Bäumer, Marcel Maehren, Marcus Brinkmann, and Jörg Schwenk discovered that Erlang OTP’s SSH …

    first Jul 17, 2025
  • Critical max 9.8
    USN-7171-1 1 CVE 1 exploited

    phpunit vulnerability

    It was discovered that PHPUnit incorrectly handled web requests if exposed to the internet. An attacker could possibly use this issue to achive remote code execution or obtain sensitive information.

    first Dec 18, 2024
  • Critical max 9.8
    USN-7139-1 1 CVE 1 exploited

    shiro vulnerability

    It was discovered that Apache Shiro used a static cipher within the "Remember Me" feature inside authentication by default. An attacker could possibly use this issue to achieve remote code execution or obtain sensitive information.

    first Dec 5, 2024
  • Critical max 9.8
    USN-6948-1 12 CVEs 1 exploited

    salt vulnerabilities

    It was discovered that Salt incorrectly handled crafted web requests. A remote attacker could possibly use this issue to run arbitrary commands. (CVE-2020-16846) It was discovered that Salt incorrectly created certificates with weak file permissions. (CVE-202…

    first Aug 8, 2024
  • Critical max 10.0
    USN-6910-1 6 CVEs 1 exploited

    activemq vulnerabilities

    Chess Hazlett discovered that Apache ActiveMQ incorrectly handled certain commands. A remote attacker could possibly use this issue to terminate the program, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS. (CVE-2015-7559) Peter St…

    first Jul 23, 2024
  • Critical max 9.8
    USN-6885-3 4 CVEs 1 exploited

    apache2 vulnerabilities

    USN-6885-1 fixed several vulnerabilities in Apache. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: Orange Tsai discovered that the Apache HTTP Server mod_rewrite module incorrectly handled c…

    first Sep 18, 2024
  • Critical max 9.8
    USN-5956-1 7 CVEs 1 exploited

    libphp-phpmailer vulnerabilities

    Dawid Golunski discovered that PHPMailer was not properly escaping user input data used as arguments to functions executed by the system shell. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 ESM. (CV…

    first Mar 15, 2023
  • Critical max 10.0
    USN-5192-2 1 CVE 1 exploited

    apache-log4j2 vulnerability

    USN-5192-1 fixed a vulnerability in Apache Log4j 2. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Chen Zhaojun discovered that Apache Log4j 2 allows remote attackers to run programs via a special crafted input.…

    first Dec 17, 2021
  • Critical max 9.8
    USN-5182-1 12 CVEs 4 exploited

    roundcube vulnerabilities

    It was discovered that Roundcube Webmail allowed JavaScript code to be present in the CDATA of an HTML message. A remote attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 16.04 ESM, Ubuntu 1…

    first Aug 8, 2022
  • Critical max 10.0
    USN-7856-1 181 CVEs 1 exploited

    linux-hwe-6.14 vulnerabilities

    Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt discovered that some AMD processors may allow an attacker to infer data from previous stores, potentially resulting in the leakage of privileged information. A local …

    first Nov 4, 2025
  • Critical max 9.8
    LSN-0114-1 8 CVEs 1 exploited

    Kernel Live Patch Security Notice

    In the Linux kernel, the following vulnerability has been resolved: bfq: fix use-after-free in bfq_dispatch_request KASAN reports a use-after-free report when doing normal scsi-mq test . In the Linux kernel, the following vulnerability has been resolved: bloc…

    first Aug 18, 2025
  • Critical max 9.8
    LSN-0112-1 16 CVEs 4 exploited

    Kernel Live Patch Security Notice

    In the Linux kernel, the following vulnerability has been resolved: nfsd: fix use-after-free due to delegation race A delegation break could arrive as soon as we've called vfs_setlease. A delegation break runs a callback which immediately (in nfsd4_cb_recall_…

    first May 29, 2025
  • Critical max 10.0
    LSN-0110-1 6 CVEs 1 exploited

    Kernel Live Patch Security Notice

    In the Linux kernel, the following vulnerability has been resolved: tty: n_gsm: require CAP_NET_ADMIN to attach N_GSM0710 ldisc Any unprivileged user can attach N_GSM0710 ldisc, but it requires CAP_NET_ADMIN to create a GSM network anyway. Require initial nam…

    first Mar 26, 2025
  • Critical max 9.8
    LSN-0111-1 8 CVEs 2 exploited

    Kernel Live Patch Security Notice

    It was discovered that the watch_queue event notification system contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service or escalate their privileges.)(CVE-2022-0995) In the Linux kernel, the following vuln…

    first Apr 16, 2025
  • Critical max 9.8
    USN-2696-1 15 CVEs 1 exploited

    openjdk-7 vulnerabilities

    Several vulnerabilities were discovered in the OpenJDK JRE related to information disclosure, data integrity, and availability. An attacker could exploit these to cause a denial of service or expose sensitive data over the network. (CVE-2015-2590, CVE-2015-26…

    first Jul 30, 2015
  • Critical max 9.3
    USN-7636-1 1 CVE 1 exploited

    roundcube vulnerability

    It was discovered that Roundcube Webmail incorrectly handled sanitization in the message_body function. A remote attacker could possibly use this issue to send and receive emails as another user.

    first Jul 14, 2025
  • Critical max 10.0
    USN-7525-1 1 CVE 1 exploited

    Tomcat vulnerability

    It was discovered that Apache Tomcat incorrectly implemented partial PUT functionality by replacing path separators with dots in temporary files. A remote attacker could possibly use this issue to access sensitive files, inject malicious content, or execute r…

    first May 21, 2025
  • Critical max 10.0
    USN-7525-2 1 CVE 1 exploited

    Tomcat vulnerability

    USN-7525-1 fixed CVE-2025-24813 for tomcat9 in Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 18.04 LTS. This update fixes it for tomcat9 in Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.10. These versions include only the tomcat library (libtomcat9-java) and…

    first May 26, 2025
  • Critical max 9.8
    USN-7226-1 1 CVE 1 exploited

    cacti vulnerability

    It was discovered that Cacti did not properly sanitize the 'poller_id' parameter in the "remote_agent.php" file. A remote attacker could possibly use this issue to achieve remote code execution.

    first Jan 23, 2025
  • Critical max 9.8
    USN-7165-1 1 CVE 1 exploited

    libspring-java vulnerability

    It was discovered that the Spring Framework incorrectly handled web requests via data binding. An attacker could possibly use this issue to achieve remote code execution and obtain sensitive information.

    first Dec 17, 2024
  • Critical max 9.8
    USN-6885-1 8 CVEs 1 exploited

    apache2 vulnerabilities

    Marc Stern discovered that the Apache HTTP Server incorrectly handled serving WebSocket protocol upgrades over HTTP/2 connections. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service. (CVE-2024-36387)…

    first Jul 8, 2024
  • Critical max 9.8
    USN-4459-1 5 CVEs 2 exploited

    salt vulnerabilities

    It was discovered that Salt allows remote attackers to determine which files exist on the server. An attacker could use that to extract sensitive information. (CVE-2018-15750) It was discovered that Salt has a vulnerability that allows an user to bypass authe…

    first Aug 13, 2020
  • Critical max 9.8
    USN-4557-1 7 CVEs 1 exploited

    tomcat6 vulnerabilities

    It was discovered that the Tomcat realm implementations incorrectly handled passwords when a username didn't exist. A remote attacker could possibly use this issue to enumerate usernames. (CVE-2016-0762) Alvaro Munoz and Alexander Mirosh discovered that Tomca…

    first Sep 30, 2020
  • Critical max 9.8
    USN-3665-1 6 CVEs 1 exploited

    tomcat7, tomcat8 vulnerabilities

    It was discovered that Tomcat incorrectly handled being configured with HTTP PUTs enabled. A remote attacker could use this issue to upload a JSP file to the server and execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ub…

    first May 30, 2018
  • Critical max 9.8
    USN-3177-1 11 CVEs 1 exploited

    tomcat6, tomcat7, tomcat8 vulnerabilities

    It was discovered that the Tomcat realm implementations incorrectly handled passwords when a username didn't exist. A remote attacker could possibly use this issue to enumerate usernames. This issue only applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubunt…

    first Jan 23, 2017
  • 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 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-7066-1 1 CVE 1 exploited

    thunderbird vulnerability

    Damien Schaeffer discovered that Thunderbird did not properly manage certain memory operations when processing content in the Animation timelines. An attacker could potentially exploit this issue to achieve arbitrary code execution.

    first Oct 14, 2024
  • Critical max 9.8
    USN-7065-1 1 CVE 1 exploited

    firefox vulnerability

    Damien Schaeffer discovered that Firefox did not properly manage memory in the content process when handling Animation timelines, leading to a use after free vulnerability. An attacker could possibly use this issue to achieve remote code execution.

    first Oct 14, 2024
  • Critical max 9.1
    USN-6885-5 2 CVEs 1 exploited

    apache2 vulnerabilities

    USN-6885-1 fixed vulnerabilities in Apache. This update provides the corresponding updates for Ubuntu 14.04 LTS. Original advisory details: Orange Tsai discovered that the Apache HTTP Server mod_rewrite module incorrectly handled certain substitutions. A remo…

    first Jul 21, 2025
  • Critical max 9.8
    USN-6405-1 11 CVEs 1 exploited

    thunderbird vulnerabilities

    Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, bypass secu…

    first Oct 3, 2023
  • Critical max 9.8
    USN-6404-1 8 CVEs 1 exploited

    firefox vulnerabilities

    Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary c…

    first Oct 3, 2023
  • Critical max 9.6
    USN-5314-1 2 CVEs 2 exploited

    firefox vulnerabilities

    A use-after-free was discovered when removing an XSLT parameter in some circumstances. If a user were tricked into opening a specially crafted website, an attacker could exploit this to cause a denial of service, or execute arbitrary code. (CVE-2022-26485) A …

    first Mar 6, 2022
  • Critical max 9.0
    USN-5090-1 5 CVEs 1 exploited

    apache2 vulnerabilities

    James Kettle discovered that the Apache HTTP Server HTTP/2 module incorrectly handled certain crafted methods. A remote attacker could possibly use this issue to perform request splitting or cache poisoning attacks. (CVE-2021-33193) It was discovered that the…

    first Sep 27, 2021
  • Critical max 9.8
    USN-4939-1 3 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 s…

    first May 10, 2021