Cross-site Scripting (XSS) Affecting delve-debugsource package, versions <0:1.25.2-1.module+el8.10.0+40035+ee0a7047


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.33% (24th percentile)

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  • Snyk IDSNYK-ROCKY8-DELVEDEBUGSOURCE-19276419
  • published27 Aug 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

CVE-2026-39823  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 delve-debugsource to version 0:1.25.2-1.module+el8.10.0+40035+ee0a7047 or higher.
This issue was patched in RLSA-2026:22112.

NVD Description

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

CVE-2026-27142 fixed a vulnerability in which URLs were not correctly escaped inside of a <meta> tag's <content> attribute. If the URL content were to insert ASCII whitespaces around the '=' rune inside of the <content> attribute, the escaper would fail to similarly escape it, leading to XSS.

CVSS Base Scores

version 3.1