SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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 triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different…

MEDIUM 5.3EPSS 2.40%

Does this matter?

Lower severity and a low EPSS score (2.40%). Track it; it rarely justifies an emergency change on its own.

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 3.0
5.3 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
2.40% probability · 83th percentile
CISA KEV
Not listed
Weakness
CWE-835
Affected
xmlsoft/libxml2 · debian/debian linux
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.