Improper Output Neutralization for Logs Affecting go-toolset package, versions <0:1.26.4-1.el9_8


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.37% (29th percentile)

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  • Snyk IDSNYK-RHEL9-GOTOOLSET-17528802
  • published26 Jun 2026
  • disclosed2 Jun 2026

Introduced: 2 Jun 2026

CVE-2026-42507  (opens in a new tab)
CWE-117  (opens in a new tab)

How to fix?

Upgrade RHEL:9 go-toolset to version 0:1.26.4-1.el9_8 or higher.
This issue was patched in RHSA-2026:29981.

NVD Description

Note: Versions mentioned in the description apply only to the upstream go-toolset package and not the go-toolset package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

When returning errors, functions in the net/textproto package would include its input as part of the error. This might allow an attacker to inject misleading content to errors that are printed or logged.

CVSS Base Scores

version 3.1