CVE-2021-46143 : faille élevée libexpat project libexpat (CVSS 7.8)

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

Sévérité

Élevée (CVSS 7.8)

Vecteur CVSS

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation active

Non signalée par la CISA

Publication

6 janv. 2022

Dernière mise à jour

17 juin 2026

• libexpat project libexpat
• netapp active iq unified manager
• netapp clustered data ontap
• netapp hci baseboard management controller
• netapp oncommand workflow automation
• netapp solidfire \& hci management node
• tenable nessus
• siemens sinema remote connect server

• Fiche CVE-2021-46143 sur le NVD (NIST)
• openwall.com/lists/oss-security/2022/01/17/3
• cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
• github.com/libexpat/libexpat/issues/532
• github.com/libexpat/libexpat/pull/538
• security.gentoo.org/glsa/202209-24
• security.netapp.com/advisory/ntap-20220121-0006/
• debian.org/security/2022/dsa-5073
• tenable.com/security/tns-2022-05