CVE-2026-25680: Invoking denial of service when parsing arbitrary HTML in golang.org/x/net/html

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U

Exploit Status

Not Exploited

Patch Tuesday

2026-May

Released

2026-05-27

Last Updated

2026-07-06

EPSS Score

0.25% (percentile: 16.0%)

Affected Products (46)

Other

• 20981-17084
• 20984-17084
• 20985-17084
• 20986-17084
• 21358-17084
• 21319-17084
• 21276-17084
• 20991-17084
• 21359-17084
• 21271-17084
• 21272-17084
• 21278-17084
• 21281-17084
• 21007-17084
• 21008-17084
• 21256-17084
• 21299-17084
• 17793-17084
• 21013-17084
• 20433-17084
• 20966-17084
• 21015-17084
• 21020-17084
• 21408-17084
• 21409-17084
• 21412-17084
• 21414-17084
• 21395-17084
• 21555-17084
• 21554-17084
• 21402-17084
• 21406-17084
• 21407-17084
• 21399-17084
• 21378-17084
• 21413-17084
• 21505-17084
• 21506-17084
• 21475-17084
• 21507-17084
• 21476-17084
• 21503-17084
• 21502-17084
• 21508-17084
• 21481-17084

Open Source Software

• azl3 telegraf 1.31.0-19 on Azure Linux 3.0

Revision History

• 2026-05-27: Information published.
• 2026-05-28: Information published.
• 2026-05-30: Information published.
• 2026-05-30: Information published.
• 2026-05-31: Information published.
• 2026-06-02: Information published.
• 2026-06-03: Information published.
• 2026-06-03: Information published.
• 2026-06-04: Information published.
• 2026-06-05: Information published.
• 2026-06-09: Information published.
• 2026-06-18: Information published.
• 2026-06-28: Information published.
• 2026-07-06: Information published.