PT-2017-4234 · Xmlsoft+4 · Libxml2+4

Published 2017-03-03 · Updated 2026-02-06 · CVE-2017-16932

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions libxml2 versions prior to 2.9.5

Description The issue is related to infinite recursion in parameter entities, which can be exploited by a remote attacker to cause a denial of service.

Recommendations For versions prior to 2.9.5, update to version 2.9.5 or later to resolve the issue.

Exploit

Fix

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

ALT-PU-2017-1240

BDU:2023-00219

CLEANSTART-2026-LA13761

CLEANSTART-2026-NJ87139

CLEANSTART-2026-TC95380

CLEANSTART-2026-WX01708

CVE-2017-16932

DLA-1194-1

DLA-2972-1

GHSA-X2FM-93WW-GGVX

MGASA-2018-0048

MGASA-2018-0050

SUSE-SU-2018:0395-1

SUSE-SU-2022:1833-1

SUSE-SU-2022_1833-1

USN-3504-1

USN-3504-2

USN-3739-1

Affected Products

Alt Linux

Astra Linux

Suse

Ubuntu

Libxml2

References · 150

• 🔥 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2017-16932.yml · Exploit
• https://github.com/GNOME/libxml2/commit/899a5d9f0ed13b8e32449a08a361e0de127dd961 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2017-11423 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-48579 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2017-12376 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-0361 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-16932 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-20197 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-0202 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-1404 · Security Note
• https://osv.dev/vulnerability/MGASA-2018-0048 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-20698 · Security Note
• https://advisories.mageia.org/MGASA-2018-0050.html · Security Note
• https://osv.dev/vulnerability/CLEANSTART-2026-NJ87139 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-6419 · Security Note