PT-2026-51243
CVE-2026-56407
·
Published
2026-06-21
·
Updated
2026-10-21
Description by
CVSS 3.1
6.9
MediumMetricsAV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Name of the Vulnerable Software and Affected Versions
libexpat versions prior to 2.8.2
Description
An integer overflow occurs in the
doProlog() function, specifically related to storeEntityValue and the entity textLen variable. An integer overflow is a condition where an arithmetic operation attempts to create a numeric value that is outside of the range that can be represented with a given number of digits.Recommendations
Update to version 2.8.2.
Exploitability
Exploit
Fix
Impacts
Researchers
Vendors
Affected products
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