Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') Affecting ipp-usb package, versions <0:0.9.27-7.el10_2.3


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.57% (45th percentile)

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  • Snyk IDSNYK-RHEL10-IPPUSB-19506302
  • published3 Sept 2026
  • disclosed13 Aug 2026

Introduced: 13 Aug 2026

CVE-2026-56859  (opens in a new tab)
CWE-776  (opens in a new tab)

How to fix?

Upgrade RHEL:10 ipp-usb to version 0:0.9.27-7.el10_2.3 or higher.
This issue was patched in RHSA-2026:62631.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ipp-usb package and not the ipp-usb package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

Previously, DecodeElement would reset the depth counter causing it to never fire; this could lead to stack exhaustion.

References

CVSS Base Scores

version 3.1