CVE ID:	CVE-2018-20843
Description:	In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks).
Test IDs:	1.3.6.1.4.1.25623.1.0.852631   1.3.6.1.4.1.25623.1.0.876577   1.3.6.1.4.1.25623.1.1.10.2019.0274   1.3.6.1.4.1.25623.1.0.876566   1.3.6.1.4.1.25623.1.0.891839   1.3.6.1.4.1.25623.1.1.2.2019.1841   1.3.6.1.4.1.25623.1.1.12.2019.4040.2   1.3.6.1.4.1.25623.1.0.844072   1.3.6.1.4.1.25623.1.0.704472   1.3.6.1.4.1.25623.1.1.2.2019.1783   1.3.6.1.4.1.25623.1.1.4.2019.1834.1   1.3.6.1.4.1.25623.1.1.4.2019.1835.1   1.3.6.1.4.1.25623.1.1.2.2019.1758
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2018-20843 Bugtraq: 20190628 [SECURITY] [DSA 4472-1] expat security update (Google Search) https://seclists.org/bugtraq/2019/Jun/39 https://security.netapp.com/advisory/ntap-20190703-0001/ https://support.f5.com/csp/article/K51011533 https://www.tenable.com/security/tns-2021-11 Debian Security Information: DSA-4472 (Google Search) https://www.debian.org/security/2019/dsa-4472 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IDAUGEB3TUP6NEKJDBUBZX7N5OAUOOOK/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CEJJSQSG3KSUQY4FPVHZ7ZTT7FORMFVD/ https://security.gentoo.org/glsa/201911-08 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226 https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/Changes https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/Changes https://github.com/libexpat/libexpat/issues/186 https://github.com/libexpat/libexpat/issues/186 https://github.com/libexpat/libexpat/pull/262 https://github.com/libexpat/libexpat/pull/262 https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6 https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6 https://www.oracle.com/security-alerts/cpuApr2021.html https://www.oracle.com/security-alerts/cpuApr2021.html https://www.oracle.com/security-alerts/cpuapr2020.html https://www.oracle.com/security-alerts/cpuapr2020.html https://www.oracle.com/security-alerts/cpuoct2020.html https://www.oracle.com/security-alerts/cpuoct2020.html https://www.oracle.com/security-alerts/cpuoct2021.html https://www.oracle.com/security-alerts/cpuoct2021.html https://lists.debian.org/debian-lts-announce/2019/06/msg00028.html SuSE Security Announcement: openSUSE-SU-2019:1777 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00039.html https://usn.ubuntu.com/4040-1/ https://usn.ubuntu.com/4040-2/