CVE-2026-33814: Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net

Overview

Severity
High (CVSS 7.5)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploit Status
Not Exploited
Patch Tuesday
2026-May
Released
2026-05-10
Last Updated
2026-06-03
EPSS Score
0.56% (percentile: 42.4%)

Affected Products (54)

Other

  • 21203-17084
  • 21206-17084
  • 20981-17084
  • 17591-17084
  • 21177-17084
  • 20985-17084
  • 20986-17084
  • 21319-17084
  • 21276-17084
  • 20991-17084
  • 21271-17084
  • 20993-17084
  • 21272-17084
  • 21132-17084
  • 21278-17084
  • 21315-17084
  • 21281-17084
  • 21284-17084
  • 21252-17084
  • 21007-17084
  • 21008-17084
  • 21299-17084
  • 21011-17084
  • 17793-17084
  • 21273-17084
  • 21274-17084
  • 21013-17084
  • 21014-17084
  • 20966-17084
  • 21015-17084
  • 19324-17084
  • 21016-17084
  • 21280-17084
  • 21020-17084
  • 20968-17084
  • 21107-17084
  • 21425-17084
  • 21419-17084
  • 21383-17084
  • 20984-17084
  • 19322-17084
  • 20582-17084
  • 21256-17084
  • 21424-17084
  • 21426-17084
  • 21407-17084
  • 21427-17084
  • 21428-17084
  • 21429-17084
  • 21397-17084
  • ... and 1 more

Open Source Software

  • azl3 coredns 1.11.4-15 on Azure Linux 3.0
  • azl3 etcd 3.5.28-1 on Azure Linux 3.0
  • azl3 telegraf 1.31.0-19 on Azure Linux 3.0

Revision History

  • 2026-05-10: Information published.
  • 2026-05-11: Information published.
  • 2026-05-13: Information published.
  • 2026-05-14: Information published.
  • 2026-05-15: Information published.
  • 2026-05-16: Information published.
  • 2026-05-19: Information published.
  • 2026-05-19: Information published.
  • 2026-05-26: Information published.
  • 2026-05-30: Information published.
  • 2026-06-03: Information published.