Cyber Resilience

CVE-2022-40303

High

Published: 23 November 2022

Published
23 November 2022
Modified
29 April 2025
KEV Added
—
Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0023 46.0th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-40303 is a high-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Apple Macos. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 46.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to access an array at a negative 2GB offset, typically…

more

leading to a segmentation fault.

CWE(s)
CWE-190

Related Threats

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

Affected Assets

xmlsoft
libxml2
≤ 2.10.3
netapp
active iq unified manager
all versions
netapp
clustered data ontap
all versions
netapp
clustered data ontap antivirus connector
all versions
netapp
netapp manageability sdk
all versions
netapp
ontap select deploy administration utility
all versions
netapp
snapmanager
all versions
apple
ipados
≤ 15.7.2
apple
iphone os
≤ 15.7.2
apple
macos
11.0 — 11.7.2 · 12.0 — 12.6.2
+7 more product configuration(s) — see NVD for full list

Mitigating Controls

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

References