CVE-2026-56132EPSS p0.9%

CVE-2026-56132CVE-2026-56132

libexpat_project / libexpat

Description

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers.

Scoring

CVSS 6.9 ()
VectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
EPSS0.10% probability of exploitation · percentile 0.9% · 2026-10-05T12:00:23Z
Last modified2026-06-23
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.