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).
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://usn.ubuntu.com/4040-1/ ↗
- https://usn.ubuntu.com/4040-2/ ↗
- https://www.debian.org/security/2019/dsa-4472 ↗
- https://seclists.org/bugtraq/2019/Jun/39 ↗
- https://lists.debian.org/debian-lts-announce/2019/06/msg00028.html ↗
- https://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/ ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00039.html ↗
- https://security.gentoo.org/glsa/201911-08 ↗
- https://www.oracle.com/security-alerts/cpuapr2020.html ↗
- https://www.oracle.com/security-alerts/cpuoct2020.html ↗
- https://github.com/libexpat/libexpat/issues/186 ↗
- https://github.com/libexpat/libexpat/pull/262 ↗
- https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6 ↗
- https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/Changes ↗
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226 ↗
- https://security.netapp.com/advisory/ntap-20190703-0001/ ↗
- https://support.f5.com/csp/article/K51011533 ↗
- https://www.oracle.com/security-alerts/cpuApr2021.html ↗
- https://www.oracle.com/security-alerts/cpuoct2021.html ↗
- https://www.tenable.com/security/tns-2021-11 ↗
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html ↗