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libxml2 vulnerabilities

Description

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 Ubuntu 14.04 ESM, and Ubuntu 16.04 ESM. (CVE-2017-8872) Zhipeng Xie discovered that libxml2 incorrectly handled certain XML schemas. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, and Ubuntu 18.04 LTS. (CVE-2019-20388) It was discovered that libxml2 incorrectly handled invalid UTF-8 input. A remote attacker could possibly exploit this with a crafted XML file to cause libxml2 to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 20.10. (CVE-2020-24977) It was discovered that libxml2 incorrectly handled invalid UTF-8 input. A remote attacker could possibly exploit this with a crafted XML file to cause libxml2 to crash, resulting in a denial of service. (CVE-2021-3517) It was discovered that libxml2 did not properly handle certain crafted XML files. A local attacker could exploit this with a crafted input to cause libxml2 to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-3516, CVE-2021-3518) It was discovered that libxml2 incorrectly handled error states. A remote attacker could exploit this with a crafted XML file to cause libxml2 to crash, resulting in a denial of service. (CVE-2021-3537) Sebastian Pipping discovered that libxml2 did not properly handle certain crafted XML files. A remote attacker could exploit this with a crafted XML file to cause libxml2 to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2021-3541)


Affected Package


OS OS Version Package Name Package Version
Ubuntu 21.04 libxml2 2.9.10+dfsg-6.3ubuntu0.1
Ubuntu 21.04 libxml2-utils 2.9.10+dfsg-6.3ubuntu0.1
Ubuntu 20.10 libxml2 2.9.10+dfsg-5ubuntu0.20.10.2
Ubuntu 20.10 libxml2-utils 2.9.10+dfsg-5ubuntu0.20.10.2
Ubuntu 20.04 libxml2 2.9.10+dfsg-5ubuntu0.20.04.1
Ubuntu 20.04 libxml2-dbgsym 2.9.10+dfsg-5ubuntu0.20.04.1
Ubuntu 20.04 libxml2-dev 2.9.10+dfsg-5ubuntu0.20.04.1
Ubuntu 20.04 libxml2-doc 2.9.10+dfsg-5ubuntu0.20.04.1
Ubuntu 20.04 libxml2-utils 2.9.10+dfsg-5ubuntu0.20.04.1
Ubuntu 20.04 libxml2-utils-dbgsym 2.9.10+dfsg-5ubuntu0.20.04.1
Ubuntu 20.04 python-libxml2 2.9.10+dfsg-5ubuntu0.20.04.1
Ubuntu 20.04 python-libxml2-dbg 2.9.10+dfsg-5ubuntu0.20.04.1
Ubuntu 20.04 python3-libxml2 2.9.10+dfsg-5ubuntu0.20.04.1
Ubuntu 20.04 python3-libxml2-dbg 2.9.10+dfsg-5ubuntu0.20.04.1
Ubuntu 18.04 libxml2 2.9.4+dfsg1-6.1ubuntu1.4
Ubuntu 18.04 libxml2-dbg 2.9.4+dfsg1-6.1ubuntu1.4
Ubuntu 18.04 libxml2-dev 2.9.4+dfsg1-6.1ubuntu1.4
Ubuntu 18.04 libxml2-doc 2.9.4+dfsg1-6.1ubuntu1.4
Ubuntu 18.04 libxml2-udeb 2.9.4+dfsg1-6.1ubuntu1.4
Ubuntu 18.04 libxml2-utils 2.9.4+dfsg1-6.1ubuntu1.4
Ubuntu 18.04 libxml2-utils-dbgsym 2.9.4+dfsg1-6.1ubuntu1.4
Ubuntu 18.04 python-libxml2 2.9.4+dfsg1-6.1ubuntu1.4
Ubuntu 18.04 python-libxml2-dbg 2.9.4+dfsg1-6.1ubuntu1.4
Ubuntu 18.04 python3-libxml2 2.9.4+dfsg1-6.1ubuntu1.4
Ubuntu 18.04 python3-libxml2-dbg 2.9.4+dfsg1-6.1ubuntu1.4
Ubuntu 16.04 libxml2 2.9.3+dfsg1-1ubuntu0.7+esm1 Available with Ubuntu Pro (Infra-only)
Ubuntu 16.04 libxml2 2.9.3+dfsg1-1ubuntu0.7+esm1
Ubuntu 16.04 libxml2-dbg 2.9.3+dfsg1-1ubuntu0.7+esm1
Ubuntu 16.04 libxml2-dbgsym 2.9.3+dfsg1-1ubuntu0.7+esm1
Ubuntu 16.04 libxml2-dev 2.9.3+dfsg1-1ubuntu0.7+esm1
Ubuntu 16.04 libxml2-dev-dbgsym 2.9.3+dfsg1-1ubuntu0.7+esm1
Ubuntu 16.04 libxml2-doc 2.9.3+dfsg1-1ubuntu0.7+esm1
Ubuntu 16.04 libxml2-udeb 2.9.3+dfsg1-1ubuntu0.7+esm1
Ubuntu 16.04 libxml2-udeb-dbgsym 2.9.3+dfsg1-1ubuntu0.7+esm1
Ubuntu 16.04 libxml2-utils 2.9.3+dfsg1-1ubuntu0.7+esm1
Ubuntu 16.04 libxml2-utils-dbg 2.9.3+dfsg1-1ubuntu0.7+esm1
Ubuntu 16.04 libxml2-utils-dbgsym 2.9.3+dfsg1-1ubuntu0.7+esm1
Ubuntu 16.04 python-libxml2 2.9.3+dfsg1-1ubuntu0.7+esm1
Ubuntu 16.04 python-libxml2-dbg 2.9.3+dfsg1-1ubuntu0.7+esm1
Ubuntu 16.04 libxml2-utils 2.9.3+dfsg1-1ubuntu0.7+esm1 Available with Ubuntu Pro (Infra-only)
Ubuntu 14.04 libxml2 2.9.1+dfsg1-3ubuntu4.13+esm2 Available with Ubuntu Pro (Infra-only)
Ubuntu 14.04 libxml2 2.9.1+dfsg1-3ubuntu4.13+esm2
Ubuntu 14.04 libxml2-dbg 2.9.1+dfsg1-3ubuntu4.13+esm2
Ubuntu 14.04 libxml2-dbgsym 2.9.1+dfsg1-3ubuntu4.13+esm2
Ubuntu 14.04 libxml2-dev 2.9.1+dfsg1-3ubuntu4.13+esm2
Ubuntu 14.04 libxml2-dev-dbgsym 2.9.1+dfsg1-3ubuntu4.13+esm2
Ubuntu 14.04 libxml2-doc 2.9.1+dfsg1-3ubuntu4.13+esm2
Ubuntu 14.04 libxml2-udeb 2.9.1+dfsg1-3ubuntu4.13+esm2
Ubuntu 14.04 libxml2-udeb-dbgsym 2.9.1+dfsg1-3ubuntu4.13+esm2
Ubuntu 14.04 libxml2-utils 2.9.1+dfsg1-3ubuntu4.13+esm2
Ubuntu 14.04 libxml2-utils-dbg 2.9.1+dfsg1-3ubuntu4.13+esm2
Ubuntu 14.04 libxml2-utils-dbgsym 2.9.1+dfsg1-3ubuntu4.13+esm2
Ubuntu 14.04 python-libxml2 2.9.1+dfsg1-3ubuntu4.13+esm2
Ubuntu 14.04 python-libxml2-dbg 2.9.1+dfsg1-3ubuntu4.13+esm2
Ubuntu 14.04 python-libxml2-dbgsym 2.9.1+dfsg1-3ubuntu4.13+esm2
Ubuntu 14.04 libxml2-utils 2.9.1+dfsg1-3ubuntu4.13+esm2 Available with Ubuntu Pro (Infra-only)

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