CVE-2017-18258

—

CVSS 3.0

6.5 medium

EPSS

3%p85

Published

Apr 8, 2018 (Apr 8, 2018)

Modified

Jun 17, 2026

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.

Vendors: xmlsoft
Products: libxml2
Weakness: CWE-770
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (2.7%)

In the news0 stories

No ingested article mentions this CVE yet.