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Ubuntu Security Notices (USN)

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

8,435 results · Feed

  • High max 7.8
    USN-5018-1 12 CVEs

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

    It was discovered that the virtual file system implementation in the Linux kernel contained an unsigned to signed integer conversion error. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2021-33909)…

    first Jul 20, 2021
  • Unscored
    USN-5041-1 1 CVE

    libapreq2 vulnerability

    It was discovered that libapreq2 did not properly sanitize the Content-Type field in certain crafted HTTP requests. An attacker could possibly use the vulnerability to cause libapreq2 to crash.

    first Aug 17, 2021
  • Unscored
    USN-5014-1 1 CVE

    linux, linux-aws, linux-azure, linux-gcp, linux-gke-5.3, linux-hwe, linux-lts-xenial, linux-kvm, linux-oracle, linux-raspi, linux-raspi2-5.3 vulnerability

    It was discovered that the virtual file system implementation in the Linux kernel contained an unsigned to signed integer conversion error. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code.

    first Jul 20, 2021
  • High max 7.8
    USN-5003-1 3 CVEs

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

    Norbert Slusarek discovered a race condition in the CAN BCM networking protocol of the Linux kernel leading to multiple use-after-free vulnerabilities. A local attacker could use this issue to execute arbitrary code. (CVE-2021-3609) It was discovered that the…

    first Jun 23, 2021
  • Unscored
    USN-5036-1 7 CVEs

    tor vulnerabilities

    It was discovered that Tor incorrectly handled certain memory operations. A remote attacker could use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 ESM. (CVE-2019-8955) It was discovered that Tor did not properly handle the in…

    first Oct 4, 2022
  • Unscored
    USN-5025-2 1 CVE

    libsndfile vulnerability

    USN-5025-1 fixed a vulnerability in libsndfile. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that libsndfile incorrectly handled certain malformed files. A remote attacke…

    first Jul 29, 2021
  • Unscored
    USN-5023-1 1 CVE

    aspell vulnerability

    It was discovered that Aspell incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code or cause a crash.

    first Jul 26, 2021
  • Unscored
    USN-5008-2 1 CVE

    avahi vulnerability

    USN-5008-1 fixed a vulnerability in avahi. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Thomas Kremer discovered that Avahi incorrectly handled termination signals on the Unix socket. A lo…

    first Jul 7, 2021
  • Medium max 5.3
    USN-5006-2 5 CVEs

    php5, php7.0 vulnerabilities

    USN-5006-1 fixed several vulnerabilities in PHP. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that PHP incorrectly handled certain PHAR files. A remote attacker could pos…

    first Jul 13, 2021
  • Unscored
    USN-4994-2 4 CVEs

    apache2 vulnerabilities

    USN-4994-1 fixed several vulnerabilities in Apache. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Antonio Morales discovered that the Apache mod_auth_digest module incorrectly handled certa…

    first Jun 21, 2021
  • Critical max 9.1
    USN-4991-1 8 CVEs

    libxml2 vulnerabilities

    Yunho Kim discovered that libxml2 incorrectly handled certain error conditions. A remote attacker could exploit this with a crafted XML file to cause a denial of service, or possibly cause libxml2 to expose sensitive information. This issue only affected Ubun…

    first Jun 17, 2021
  • Unscored
    USN-4986-4 0 CVEs

    rpcbind regression

    USN-4986-1 fixed a vulnerability in rpcbind. The update caused a regression resulting in rpcbind crashing in certain environments. This update fixes the problem for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that rpcbi…

    first Jun 10, 2021
  • Unscored
    USN-4986-2 1 CVE

    rpcbind vulnerability

    USN-4986-1 fixed a vulnerability in rpcbind. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that rpcbind incorrectly handled certain large data sizes. A remote attacker cou…

    first Jun 9, 2021
  • Unscored
    USN-4971-2 10 CVEs

    libwebp vulnerabilities

    USN-4971-1 fixed several vulnerabilities in libwebp. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that libwebp incorrectly handled certain malformed images. If a user or …

    first Jun 10, 2021
  • Unscored
    USN-4985-1 4 CVEs

    intel-microcode vulnerabilities

    It was discovered that some Intel processors may not properly invalidate cache entries used by Intel Virtualization Technology for Directed I/O (VT-d). This may allow a local user to perform a privilege escalation attack. (CVE-2020-24489) Joseph Nuzman discov…

    first Jun 9, 2021
  • Unscored
    USN-4979-1 13 CVEs

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

    Kiyin (尹亮) discovered that the NFC LLCP protocol implementation in the Linux kernel contained a reference counting error. A local attacker could use this to cause a denial of service (system crash). (CVE-2020-25670) Kiyin (尹亮) discovered that the NFC LLCP pro…

    first Jun 4, 2021
  • High max 7.4
    USN-4969-2 1 CVE

    isc-dhcp vulnerability

    USN-4969-1 fixed a vulnerability in DHCP. This update provides the corresponding update for Ubuntu 14.04 ESM and 16.04 ESM. Original advisory details: Jon Franklin and Pawel Wieczorkiewicz discovered that DHCP incorrectly handled lease file parsing. A remote …

    first May 27, 2021
  • Unscored
    USN-4968-2 1 CVE

    lz4 vulnerability

    USN-4968-1 fixed a vulnerability in LZ4. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that LZ4 incorrectly handled certain memory operations. If a user or automated syste…

    first May 31, 2021
  • Unscored
    USN-4967-2 1 CVE

    nginx vulnerability

    USN-4967-1 fixed a vulnerability in nginx. This update provides the corresponding update for Ubuntu 14.04 ESM and 16.04 ESM. Original advisory details: Luis Merino, Markus Vervier, and Eric Sesterhenn discovered that nginx incorrectly handled responses to the…

    first May 27, 2021
  • Unscored
    USN-4966-2 1 CVE

    libx11 vulnerability

    USN-4966-1 fixed a vulnerability in libx11. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that libx11 incorrectly validated certain parameter lengths. A remote attacker co…

    first May 25, 2021
  • High max 7.3
    USN-4965-2 11 CVEs

    apport vulnerabilities

    USN-4965-1 fixed several vulnerabilities in Apport. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Maik Münch discovered that Apport incorrectly handled certain information gathering operati…

    first May 25, 2021
  • Unscored
    USN-4962-1 1 CVE

    python-babel vulnerability

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

    first May 19, 2021
  • Unscored
    USN-6510-1 1 CVE

    apache2 vulnerability

    David Shoon discovered that the Apache HTTP Server mod_macro module incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service.

    first Nov 23, 2023
  • High max 7.5
    USN-5221-1 9 CVEs

    redis vulnerabilities

    It was discovered that Redis incorrectly handled certain specially crafted Lua scripts. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2021-32626) It was discovered that Redis incorrectly handled s…

    first Aug 3, 2022
  • Medium max 5.7
    USN-4961-2 1 CVE

    python-pip vulnerability

    USN-4961-1 fixed a vulnerability in pip. This update provides the corresponding updates for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. Original advisory details: It was discovered that pip incorrectly handled unicode separators in git references…

    first May 19, 2022
  • Unscored
    USN-4946-1 9 CVEs

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

    It was discovered that the DRM subsystem in the Linux kernel contained double-free vulnerabilities. A privileged attacker could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-20292) Olivier Benjamin…

    first May 11, 2021
  • Unscored
    USN-4934-2 15 CVEs

    exim4 vulnerabilities

    USN-4934-1 fixed several vulnerabilities in Exim. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. CVE-2020-28026 only affected Ubuntu 16.04 ESM. Original advisory details: It was discovered that Exim contained multiple…

    first May 6, 2021
  • High max 7.5
    USN-4932-2 1 CVE

    python-django vulnerability

    USN-4932-1 fixed a vulnerability in Django. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that Django incorrectly handled certain filenames. A remote attacker could possib…

    first May 13, 2021
  • Unscored
    USN-4921-1 1 CVE

    libcaca vulnerability

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

    first Apr 20, 2021
  • Medium max 5.5
    USN-4931-1 4 CVEs

    samba vulnerabilities

    Steven French discovered that Samba incorrectly handled ChangeNotify permissions. A remote attacker could possibly use this issue to obtain file name information. (CVE-2020-14318) Bas Alberts discovered that Samba incorrectly handled certain winbind requests.…

    first May 3, 2021
  • High max 7.5
    USN-4920-1 5 CVEs

    zeromq3 vulnerabilities

    It was discovered that ZeroMQ incorrectly handled certain application metadata. A remote attacker could use this issue to cause ZeroMQ to crash, or possibly execute arbitrary code. (CVE-2019-13132) It was discovered that ZeroMQ mishandled certain network traf…

    first Jun 15, 2022
  • Unscored
    USN-4918-3 0 CVEs

    clamav regression

    USN-4918-1 fixed vulnerabilities in ClamAV. The updated package could fail to properly scan in some situations. This update fixes the problem. Original advisory details: It was discovered that ClamAV incorrectly handled parsing Excel documents. A remote attac…

    first May 3, 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
  • Low max 3.3
    USN-4913-1 1 CVE

    underscore vulnerability

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

    first Apr 14, 2021
  • Unscored
    USN-4905-2 1 CVE

    xorg-server vulnerability

    USN-4905-1 fixed a vulnerability in X.Org. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain lengths of XInput extension ChangeFeedback…

    first Jun 30, 2021
  • High max 7.5
    USN-4897-2 2 CVEs

    pygments vulnerabilities

    USN-4897-1 fixed several vulnerabilities in Pygments. This update provides the corresponding update for Ubuntu 14.04 LTS. Original advisory details: Ben Caller discovered that Pygments incorrectly handled parsing certain files. If a user or automated system w…

    first Aug 14, 2023
  • 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
  • Medium max 6.3
    USN-4874-1 1 CVE

    ant vulnerability

    It was discovered that Apache Ant created temporary files with insecure permissions. An attacker could use this vulnerability to read sensitive information leaked into /tmp, or potentially inject malicious code into a project that is built with Apache Ant.

    first Mar 15, 2021
  • High max 7.5
    USN-5233-2 1 CVE

    clamav vulnerability

    USN-5233-1 fixed a vulnerability in ClamAV. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that ClamAV incorrectly handled memory when the CL_SCAN_GENERAL_COLLECT_METADATA …

    first Jan 19, 2022
  • Unscored
    USN-4859-1 2 CVEs

    libmediainfo vulnerabilities

    It was discovered that MediaInfoLib contained multiple security issues when handling certain multimedia files. If a user were tricked into opening a crafted multimedia file, an attacker could cause MediaInfoLib to crash, resulting in a denial of service.

    first Mar 15, 2021