Allocation of Resources Without Limits or Throttling Affecting go-toolset:rhel8/golang-tests package, versions <0:1.26.10-1.module+el8.10.0+25107+6b50279c


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.63% (50th percentile)

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  • Snyk IDSNYK-RHEL8-GOTOOLSET-21523860
  • published23 Oct 2026
  • disclosed8 Oct 2026

Introduced: 8 Oct 2026

NewCVE-2026-78659  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade RHEL:8 go-toolset:rhel8/golang-tests to version 0:1.26.10-1.module+el8.10.0+25107+6b50279c or higher.
This issue was patched in RHSA-2026:86203.

NVD Description

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

When "Trailer" headers are sent by a client, the HTTP server internally uses the header values to populate the Request.Trailer map passed to the server handler. Because Request.Trailer is a map, each entry incurs memory overhead. For HTTP/2 servers, a malicious client can exploit this by sending a "Trailer" header that declares a large number of fields, causing the server to allocate a disproportionate amount of memory while bypassing Server.MaxHeaderValueCount and Server.MaxHeaderBytes limits. This exploit is not applicable for HTTP/1 servers, which do not support multiplexing a large number of requests over one TCP connection, and whose Server.MaxHeaderBytes are calculated differently.

CVSS Base Scores

version 3.1