Improper input validation in Xmlsoft Libxml2
CVE-2016-4449
XML external entity (XXE) vulnerability in the xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.4, when not in validating mode, allows context-dependent attackers to read arbitrary files or cause a denial of service (resource consumption) via unspecified vectors.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.017 (74.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.
Affected products
- Xmlsoft Libxml2
- Canonical Ubuntu_linux — versions 12.04, 14.04, 15.10
- Debian Debian_linux — versions 8.0
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (vendor-advisory, x_refsource_SLACKWARE)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_JVN, third-party-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (vendor-advisory, x_refsource_DEBIAN)
- secalert@redhat.com (vendor-advisory, x_refsource_APPLE)
Frequently asked questions
- What is CVE-2016-4449?
- CVE-2016-4449 is a high-severity vulnerability in Xmlsoft Libxml2, classified under Improper Input Validation. CVSS score: 7.1/10. Published 2016-06-09.
- How severe is CVE-2016-4449?
- High severity. CVSS v3 base score is 7.1 out of 10.