CVE-2026-56853 Affecting golang-src package, versions <0:1.26.7-1.el10_2.alma.1


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.57% (45th percentile)

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  • Snyk IDSNYK-ALMALINUX10-GOLANGSRC-19425830
  • published29 Aug 2026
  • disclosed2 Sept 2026

Introduced: 29 Aug 2026

CVE-2026-56853  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:10 golang-src to version 0:1.26.7-1.el10_2.alma.1 or higher.
This issue was patched in ALSA-2026:60306.

NVD Description

Note: Versions mentioned in the description apply only to the upstream golang-src package and not the golang-src package as distributed by AlmaLinux. See How to fix? for AlmaLinux:10 relevant fixed versions and status.

When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface. ReadHeaderTimeout is unexpectedly not being applied when doing this.

References

CVSS Base Scores

version 3.1