VULNERABILITY INTELLIGENCE

CVE-2021-46143

CVSS score8.1 HIGH
EPSS probability4.46%
CISA KEVNot currently listed
Published2022-01-06
Last modified2026-10-14
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.

Weakness classification

  • nvd@nist.gov: CWE-190
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-190

Primary references