Creation of Immutable Text Using String Concatenation Affecting skopeo package, versions <2:1.11.3-7.rhaos4.13.el8


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.8% (53rd percentile)

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  • Snyk IDSNYK-RHEL8-SKOPEO-20007708
  • published20 Sept 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

CVE-2026-42499  (opens in a new tab)
CWE-1046  (opens in a new tab)

How to fix?

Upgrade RHEL:8 skopeo to version 2:1.11.3-7.rhaos4.13.el8 or higher.
This issue was patched in RHSA-2026:65838.

NVD Description

Note: Versions mentioned in the description apply only to the upstream skopeo package and not the skopeo package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322.

CVSS Base Scores

version 3.1