Medium severity5.9NVD Advisory· Published Sep 29, 2026
CVE-2026-102633
CVE-2026-102633
Description
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.
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Affected products
1- Range: 2.7.2 - 2.8.5
Patches
Vulnerability mechanics
References
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