Cyber Resilience

CVE-2022-22826

High

Published: 10 January 2022

Published
10 January 2022
Modified
05 May 2025
KEV Added
—
Patch
—
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0021 42.7th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-22826 is a high-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Tenable Nessus. Its CVSS base score is 8.8 (High).

Operationally, ranked at the 42.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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

CWE(s)
CWE-190

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

libexpat project
libexpat
≤ 2.4.3
tenable
nessus
≤ 8.15.3 · 10.0.0 — 10.1.1
debian
debian linux
10.0, 11.0
siemens
sinema remote connect server
≤ 3.1

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References