CVE-2026-32777mediumCWE-835

CVE-2026-32777: medium-severity vulnerability in libexpat

Published · Updated

Follow this CVE+ Monitor libexpat+ Monitor expat

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4epss 0.2%
libexpat before 2.7.5 allows an infinite loop while parsing DTD content.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
libexpat project · libexpat
Related CVEs — libexpat

In the same product, most dangerous first.

CVE-2025-59375HIGHCVE-2025-59375EPSS 1.4%CVE-2026-66046HIGHExpat Denial of Service via storeAtts() Quadratic ComplexityEPSS 0.7%CVE-2026-45186LOWCVE-2026-45186EPSS 0.5%CVE-2026-41080LOWCVE-2026-41080EPSS 0.4%CVE-2026-76956MEDIUMCVE-2026-76956EPSS 0.3%CVE-2025-66382LOWCVE-2025-66382EPSS 0.2%