CVE-2021-46143

Related Vulnerabilities: CVE-2021-46143  

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

Description

The MITRE CVE dictionary describes this issue as:

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

Additional Information

  • Bugzilla 2044455: CVE-2021-46143 expat: Integer overflow in doProlog in xmlparse.c
  • CWE-190: Integer Overflow or Wraparound
  • FAQ: Frequently asked questions about CVE-2021-46143