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VULNERABILITIES

CVE-2017-18258 Details

Description

The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb CVEPatchVendor Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10284 CVE
https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html CVE
https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html CVE
https://security.netapp.com/advisory/ntap-20190719-0001/ CVE

see all 12 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-770Allocation of Resources Without Limits or Throttling[email protected]

Affected Products

ProductVersions
xmlsoft libxml2
< 2.9.6

CPE

  • cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

10 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2017-18258
NVD Published Date:
Apr 8, 2018
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2017-18258 Details - Not Deferred