Information Exposure Affecting go-toolset:rhel8/golang-misc package, versions <0:1.26.5-1.module+el8.10.0+24506+6809f2d9


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.38% (31st percentile)

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  • Snyk IDSNYK-RHEL8-GOTOOLSET-17938355
  • published10 Jul 2026
  • disclosed8 Jul 2026

Introduced: 8 Jul 2026

CVE-2026-42505  (opens in a new tab)
CWE-201  (opens in a new tab)

How to fix?

Upgrade RHEL:8 go-toolset:rhel8/golang-misc to version 0:1.26.5-1.module+el8.10.0+24506+6809f2d9 or higher.
This issue was patched in RHSA-2026:38995.

NVD Description

Note: Versions mentioned in the description apply only to the upstream go-toolset:rhel8/golang-misc package and not the go-toolset:rhel8/golang-misc package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

Handshakes which used Encrypted Client Hello could be de-anonymized by a passive network observer due to a disclosure of pre-shared key identities in the unencrypted client hello.

CVSS Base Scores

version 3.1