CVE-2018-20843 (GCVE-0-2018-20843)
Vulnerability from cvelistv5
Published
2019-06-24 16:06
Modified
2025-05-30 19:39
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Summary
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).
References
https://usn.ubuntu.com/4040-1/ vendor-advisory, x_refsource_UBUNTU
https://usn.ubuntu.com/4040-2/ vendor-advisory, x_refsource_UBUNTU
https://www.debian.org/security/2019/dsa-4472 vendor-advisory, x_refsource_DEBIAN
https://seclists.org/bugtraq/2019/Jun/39 mailing-list, x_refsource_BUGTRAQ
https://lists.debian.org/debian-lts-announce/2019/06/msg00028.html mailing-list, x_refsource_MLIST
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CEJJSQSG3KSUQY4FPVHZ7ZTT7FORMFVD/ vendor-advisory, x_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IDAUGEB3TUP6NEKJDBUBZX7N5OAUOOOK/ vendor-advisory, x_refsource_FEDORA
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00039.html vendor-advisory, x_refsource_SUSE
https://security.gentoo.org/glsa/201911-08 vendor-advisory, x_refsource_GENTOO
https://www.oracle.com/security-alerts/cpuapr2020.html x_refsource_MISC
https://www.oracle.com/security-alerts/cpuoct2020.html x_refsource_MISC
https://github.com/libexpat/libexpat/issues/186 x_refsource_MISC
https://github.com/libexpat/libexpat/pull/262 x_refsource_MISC
https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6 x_refsource_MISC
https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/Changes x_refsource_MISC
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226 x_refsource_MISC
https://security.netapp.com/advisory/ntap-20190703-0001/ x_refsource_CONFIRM
https://support.f5.com/csp/article/K51011533 x_refsource_CONFIRM
https://www.oracle.com/security-alerts/cpuApr2021.html x_refsource_MISC
https://www.oracle.com/security-alerts/cpuoct2021.html x_refsource_MISC
https://www.tenable.com/security/tns-2021-11 x_refsource_CONFIRM
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

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}


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