Bug 2484205 (CVE-2026-42507) - CVE-2026-42507 net/textproto: golang: Golang net/textproto: Misleading error messages via input injection
Summary: CVE-2026-42507 net/textproto: golang: Golang net/textproto: Misleading error ...
Keywords:
Status: NEW
Alias: CVE-2026-42507
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: 2026-06-02 23:01 UTC by OSIDB Bzimport
Modified: 2026-08-03 17:34 UTC (History)
157 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-2026:29980 0 None None None 2026-06-25 16:02:54 UTC
Red Hat Product Errata RHSA-2026:29981 0 None None None 2026-06-25 17:18:16 UTC
Red Hat Product Errata RHSA-2026:49702 0 None None None 2026-08-03 15:59:52 UTC
Red Hat Product Errata RHSA-2026:49712 0 None None None 2026-08-03 17:34:21 UTC

Description OSIDB Bzimport 2026-06-02 23:01:25 UTC 
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.
Comment 2 errata-xmlrpc 2026-06-25 16:02:47 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:29980 https://access.redhat.com/errata/RHSA-2026:29980
Comment 3 errata-xmlrpc 2026-06-25 17:18:08 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:29981 https://access.redhat.com/errata/RHSA-2026:29981
Comment 4 errata-xmlrpc 2026-08-03 15:59:43 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:49702 https://access.redhat.com/errata/RHSA-2026:49702
Comment 5 errata-xmlrpc 2026-08-03 17:34:14 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:49712 https://access.redhat.com/errata/RHSA-2026:49712
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