ISOMAN

CVE

CVE-2018-20843

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).

Severity
HIGH
CVSS
7.5
Published
Modified
NVD detailAll CVEs

Linked Releases

DistributionReleaseStatusEvidence
Ubuntu18.04.6 amd64 desktopunknownsource
Ubuntu18.04.6 amd64 live-serverunknownsource
Ubuntu16.04.7 amd64 desktopunknownsource
Ubuntu16.04.6 i386 desktopunknownsource
Ubuntu16.04.7 amd64 serverunknownsource
Ubuntu16.04.6 i386 serverunknownsource

References

  1. http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00039.html
  2. https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226
  3. https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/Changes
  4. https://github.com/libexpat/libexpat/issues/186
  5. https://github.com/libexpat/libexpat/pull/262
  6. https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6
  7. https://lists.debian.org/debian-lts-announce/2019/06/msg00028.html
  8. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CEJJSQSG3KSUQY4FPVHZ7ZTT7FORMFVD/
  9. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IDAUGEB3TUP6NEKJDBUBZX7N5OAUOOOK/
  10. https://seclists.org/bugtraq/2019/Jun/39
  11. https://security.gentoo.org/glsa/201911-08
  12. https://security.netapp.com/advisory/ntap-20190703-0001/
  13. https://support.f5.com/csp/article/K51011533
  14. https://usn.ubuntu.com/4040-1/
  15. https://usn.ubuntu.com/4040-2/
  16. https://www.debian.org/security/2019/dsa-4472
  17. https://www.oracle.com/security-alerts/cpuApr2021.html
  18. https://www.oracle.com/security-alerts/cpuapr2020.html
  19. https://www.oracle.com/security-alerts/cpuoct2020.html
  20. https://www.oracle.com/security-alerts/cpuoct2021.html