CVE-2026-102633

MEDIUMCVSS 5.9

libexpat versions 2.7.2 through 2.8.5 contain an integer overflow vulnerability in expat_realloc() function on 32-bit platforms when computing allocation sizes. Attackers supplying malicious XML to applications parsing with vulnerable libexpat can cause heap buffer overflow, memory corruption, or denial of service.

Published 2026-09-29 · last modified 2026-09-29

Full record at NVD ↗

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.