CVE-2018-9251

Public Exploit

Description

The xz_decomp function in xzlib.c in libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035.

Category

5.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.35%
Third-Party Advisory gnome.org Third-Party Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.gnome.org/show_bug.cgi?id=794914 third party advisory issue tracking exploit
https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2018-9251?
CVE-2018-9251 has been scored as a medium severity vulnerability.
How to fix CVE-2018-9251?
To fix CVE-2018-9251, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-9251 being actively exploited in the wild?
It is possible that CVE-2018-9251 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.