PT-2026-50832
CVE-2026-56132
·
Published
2026-06-19
·
Updated
2026-10-25
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
A heap-based buffer overflow occurs in the
doProlog() function within xmlparse.c. This issue arises because the reallocation of the scaffold backing array is mishandled when data-structure sharing is utilized across multiple parsers.Recommendations
Update to version 2.8.2 or later.
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