Bug 2480762 (CVE-2026-42502) - CVE-2026-42502 golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via unexpected HTML tree rendering
Summary: CVE-2026-42502 golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Si...
Keywords:
Status: NEW
Alias: CVE-2026-42502
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-22 16:01 UTC by OSIDB Bzimport
Modified: 2026-09-17 16:34 UTC (History)
152 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:59560 0 None None None 2026-08-25 20:12:31 UTC
Red Hat Product Errata RHSA-2026:59562 0 None None None 2026-08-25 20:05:22 UTC
Red Hat Product Errata RHSA-2026:61585 0 None None None 2026-08-31 14:24:27 UTC
Red Hat Product Errata RHSA-2026:63134 0 None None None 2026-09-03 09:17:36 UTC
Red Hat Product Errata RHSA-2026:66432 0 None None None 2026-09-10 15:01:44 UTC
Red Hat Product Errata RHSA-2026:67138 0 None None None 2026-09-14 13:33:56 UTC
Red Hat Product Errata RHSA-2026:67139 0 None None None 2026-09-14 13:41:12 UTC
Red Hat Product Errata RHSA-2026:67517 0 None None None 2026-09-15 09:24:51 UTC

Description OSIDB Bzimport 2026-05-22 16:01:33 UTC 
Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.
Comment 2 errata-xmlrpc 2026-08-25 20:05:15 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:59562 https://access.redhat.com/errata/RHSA-2026:59562
Comment 3 errata-xmlrpc 2026-08-25 20:12:23 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:59560 https://access.redhat.com/errata/RHSA-2026:59560
Comment 4 errata-xmlrpc 2026-08-31 14:24:20 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:61585 https://access.redhat.com/errata/RHSA-2026:61585
Comment 5 errata-xmlrpc 2026-09-03 09:17:29 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:63134 https://access.redhat.com/errata/RHSA-2026:63134
Comment 6 errata-xmlrpc 2026-09-10 15:01:36 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:66432 https://access.redhat.com/errata/RHSA-2026:66432
Comment 7 Jon Orris 2026-09-14 13:33:50 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:67138 https://access.redhat.com/errata/RHSA-2026:67138
Comment 8 Jon Orris 2026-09-14 13:41:06 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:67139 https://access.redhat.com/errata/RHSA-2026:67139
Comment 9 Jon Orris 2026-09-15 09:24:44 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:67517 https://access.redhat.com/errata/RHSA-2026:67517
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