CVE-2022-22823EPSS p89.3%

CVE-2022-22823CVE-2022-22823

libexpat_project / libexpat

Description

build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

Scoring

CVSS 9.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS3.60% probability of exploitation · percentile 89.3% · 2026-10-17T12:00:28Z
Last modified2026-10-14
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.