CVE-2018-20843
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 7.1%
exploitation probability
7.1%top 6% of all CVEs
observed exploitation
nono source reports it
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).
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
n/a · n/aReferences
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00039.htmlhttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/Changeshttps://github.com/libexpat/libexpat/issues/186https://github.com/libexpat/libexpat/pull/262https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6https://lists.debian.org/debian-lts-announce/2019/06/msg00028.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CEJJSQSG3KSUQY4FPVHZ7ZTT7FORMFVD/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IDAUGEB3TUP6NEKJDBUBZX7N5OAUOOOK/https://seclists.org/bugtraq/2019/Jun/39https://security.gentoo.org/glsa/201911-08https://security.netapp.com/advisory/ntap-20190703-0001/