CVE-2018-9251

medium

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.

References

https://bugzilla.gnome.org/show_bug.cgi?id=794914

https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html

Details

Source: MITRE

Published: 2018-04-04

Updated: 2019-10-03

Type: CWE-835

Risk Information

CVSS v2

Base Score: 2.6

Vector: AV:N/AC:H/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 4.9

Severity: LOW

CVSS v3

Base Score: 5.3

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1.6

Severity: MEDIUM