Medium severity · published Apr 4, 2018
CVE-2018-9251
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…
5.3
CVSS
2.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
LI
Libxml2 · Xmlsoft
2.9.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-9251
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-9251
Exploit
https://bugzilla.gnome.org/show_bug.cgi?id=794914
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html
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