CVE-2021-46143
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
Published Jan 6, 2022 · updated Oct 14, 2026 · libexpat project libexpat
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
Timeline
Detection, updates, and resolution for this record.
Jan 6, 2022 · NIST NVD
Detected
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
Oct 14, 2026 · NIST NVD
Updated
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
Affected
- cpe libexpat project/libexpatversion unspecified
- cpe netapp/active iq unified managerversion unspecified
- cpe netapp/clustered data ontapversion unspecified
- cpe netapp/hci baseboard management controllerh610c
- cpe netapp/hci baseboard management controllerh610s
- cpe netapp/hci baseboard management controllerh615c
- cpe netapp/oncommand workflow automationversion unspecified
- cpe netapp/solidfire & hci management nodeversion unspecified
- cpe siemens/sinema remote connect serverversion unspecified
- cpe tenable/nessusversion unspecified
Sources
- CVE.orgCVE-2021-46143
Official CVE identifier
cve.org - FIRST EPSSCVE-2021-46143
30-day exploitation probability 3.8%
first.org - NIST NVDCVE-2021-46143
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
nvd.nist.gov