VULNERABILITY INTELLIGENCE

CVE-2017-18258

CVSS score6.5 MEDIUM
EPSS probability2.74%
CISA KEVNot currently listed
Published2018-04-08
Last modified2026-10-14
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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.

Weakness classification

  • CWE-770: Allocation of Resources Without Limits or Throttling

Primary references