Bug 2548334 (CVE-2026-78667) - CVE-2026-78667 net/http: golang: golang: Denial of Service via crafted HTTP Range headers
Summary: CVE-2026-78667 net/http: golang: golang: Denial of Service via crafted HTTP R...
Keywords:
Status: NEW
Alias: CVE-2026-78667
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-08 23:01 UTC by OSIDB Bzimport
Modified: 2026-10-26 02:28 UTC (History)
75 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-2026:86093 0 None None None 2026-10-20 20:27:06 UTC
Red Hat Product Errata RHSA-2026:86196 0 None None None 2026-10-20 22:53:57 UTC
Red Hat Product Errata RHSA-2026:86203 0 None None None 2026-10-20 21:57:48 UTC
Red Hat Product Errata RHSA-2026:88188 0 None None None 2026-10-22 11:42:38 UTC
Red Hat Product Errata RHSA-2026:88262 0 None None None 2026-10-22 14:55:01 UTC
Red Hat Product Errata RHSA-2026:88280 0 None None None 2026-10-22 15:06:34 UTC
Red Hat Product Errata RHSA-2026:88336 0 None None None 2026-10-22 17:02:01 UTC
Red Hat Product Errata RHSA-2026:89741 0 None None None 2026-10-26 02:28:49 UTC

Description OSIDB Bzimport 2026-10-08 23:01:15 UTC 
When parsing a Range header containing a large number of small ranges, FileServer(FS), ServeContent, and ServeFile(FS) can consume an excessive amount of CPU.
Comment 2 Jon Orris 2026-10-20 20:27:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:86093 https://access.redhat.com/errata/RHSA-2026:86093
Comment 3 Jon Orris 2026-10-20 21:57:44 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:86203 https://access.redhat.com/errata/RHSA-2026:86203
Comment 4 Jon Orris 2026-10-20 22:53:52 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:86196 https://access.redhat.com/errata/RHSA-2026:86196
Comment 6 Jon Orris 2026-10-22 11:42:33 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:88188 https://access.redhat.com/errata/RHSA-2026:88188
Comment 7 Jon Orris 2026-10-22 14:54:57 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:88262 https://access.redhat.com/errata/RHSA-2026:88262
Comment 8 Jon Orris 2026-10-22 15:06:29 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:88280 https://access.redhat.com/errata/RHSA-2026:88280
Comment 9 Jon Orris 2026-10-22 17:01:58 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:88336 https://access.redhat.com/errata/RHSA-2026:88336
Comment 13 Jon Orris 2026-10-26 02:28:45 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:89741 https://access.redhat.com/errata/RHSA-2026:89741
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