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

Published May 22, 2026
·
Updated

Invoking denial of service when parsing arbitrary HTML in golang.org/x/net/html

Other sources

Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service.

— MITRE

Affected Software

62 affected componentsFixes available
golang/golang.org/x/net/html
Golang Net Go<0.55.0
Microsoft azl3 prometheus-adapter 0.12.0-5
Patch available
Microsoft azl3 sriov-network-device-plugin 3.7.0-5
Patch available
Microsoft azl3 kubevirt 1.7.1-2
Patch available
Microsoft azl3 kube-vip-cloud-provider 0.0.10-5
Patch available
Microsoft azl3 cri-tools 1.32.0-4
Patch available
Microsoft azl3 containerized-data-importer 1.62.0-3
Patch available
Microsoft azl3 packer 1.9.5-13
Patch available
Microsoft azl3 influxdb 2.7.5-15
Patch available
Microsoft azl3 cert-manager 1.12.15-6
Patch available
Microsoft azl3 application-gateway-kubernetes-ingress 1.7.7-3
Patch available
Microsoft azl3 kubernetes 1.30.10-23
Patch available
Microsoft azl3 kubernetes 1.30.10-25
Patch available
Microsoft azl3 sriov-network-device-plugin 3.7.0-6
Patch available
Microsoft azl3 cf-cli 8.7.11-6
Patch available
Microsoft azl3 gh 2.62.0-16
Patch available
Microsoft azl3 cloud-provider-kubevirt 0.5.1-4
Patch available
Microsoft azl3 containerd2 2.2.4-2
Patch available
Microsoft azl3 telegraf 1.31.0-22
Patch available
Microsoft azl3 docker-compose 2.27.0-11
Patch available
Microsoft azl3 dasel 2.8.1-3
Patch available
Microsoft azl3 keda 2.14.1-13
Patch available
Microsoft azl3 cni-plugins 1.4.0-5
Patch available
Microsoft azl3 docker-buildx 0.14.0-13
Patch available
Microsoft azl3 docker-buildx 0.14.0-13<0.14.0-15
0.14.0-15
Microsoft azl3 multus 4.0.2-8<4.0.2-9
4.0.2-9
Microsoft azl3 cf-cli 8.7.11-6<8.7.11-7
8.7.11-7
Microsoft azl3 keda 2.14.1-13<2.14.1-14
2.14.1-14
Microsoft azl3 cloud-provider-kubevirt 0.5.1-4<0.5.1-5
0.5.1-5
Microsoft azl3 gh 2.62.0-16<2.62.0-17
2.62.0-17
Microsoft azl3 telegraf 1.31.0-22<1.31.0-23
1.31.0-23
Microsoft azl3 containerd2 2.2.4-2<2.2.4-3
2.2.4-3
Microsoft azl3 dasel 2.8.1-3<2.8.1-4
2.8.1-4
Microsoft azl3 cni-plugins 1.4.0-5<1.4.0-6
1.4.0-6
Microsoft azl3 docker-compose 2.27.0-11<2.27.0-13
2.27.0-13
Microsoft azl3 kubernetes 1.30.10-25<1.30.10-25
1.30.10-25
Microsoft azl3 sriov-network-device-plugin 3.7.0-6<3.7.0-6
3.7.0-6
Microsoft azl3 kubernetes 1.30.10-23<1.30.10-25
1.30.10-25
Microsoft azl3 kubevirt 1.7.1-2<1.7.1-5
1.7.1-5
Microsoft azl3 prometheus-adapter 0.12.0-5<0.12.0-6
0.12.0-6
Microsoft azl3 sriov-network-device-plugin 3.7.0-5<3.7.0-6
3.7.0-6
Microsoft azl3 containerized-data-importer 1.62.0-3<1.62.0-5
1.62.0-5
Microsoft azl3 cri-tools 1.32.0-4<1.32.0-6
1.32.0-6
Microsoft azl3 influxdb 2.7.5-15<2.7.5-17
2.7.5-17
Microsoft azl3 cert-manager 1.12.15-6<1.12.15-8
1.12.15-8
Microsoft azl3 packer 1.9.5-13<1.9.5-14
1.9.5-14
Microsoft azl3 kube-vip-cloud-provider 0.0.10-5<0.0.10-6
0.0.10-6
Microsoft azl3 application-gateway-kubernetes-ingress 1.7.7-3<1.7.7-4
1.7.7-4
Microsoft azl3 dasel 2.8.1-4<2.8.1-4
2.8.1-4
Microsoft azl3 cloud-provider-kubevirt 0.5.1-5<0.5.1-5
0.5.1-5
Microsoft azl3 containerd2 2.2.4-4<2.2.4-4
2.2.4-4
Microsoft azl3 cni-plugins 1.4.0-6<1.4.0-6
1.4.0-6
Microsoft azl3 telegraf 1.31.0-23<1.31.0-23
1.31.0-23
Microsoft azl3 multus 4.0.2-9<4.0.2-9
4.0.2-9
Microsoft azl3 gh 2.62.0-17<2.62.0-17
2.62.0-17
Microsoft azl3 cf-cli 8.7.11-7<8.7.11-7
8.7.11-7
Microsoft azl3 keda 2.14.1-14<2.14.1-14
2.14.1-14
Microsoft azl3 keda 2.14.1-15<2.14.1-14
2.14.1-14
Microsoft azl3 gh 2.62.0-18<2.62.0-17
2.62.0-17
IBM Db2 Genius Hub<=1.1, 1.1.1, 1.1.2
IBM Agentics<=1.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 0.14.0-15
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.0.2-9
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 8.7.11-7
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 2.62.0-17
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 1.31.0-23
  6. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 2.14.1-14
  7. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 0.5.1-5
  8. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 2.2.4-3
  9. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 2.8.1-4
  10. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 1.4.0-6
  11. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 2.27.0-13
  12. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 1.30.10-25
  13. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 3.7.0-6
  14. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 1.7.1-5
  15. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 0.12.0-6
  16. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 1.32.0-6
  17. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 1.62.0-5
  18. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 1.9.5-14
  19. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 2.7.5-17
  20. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 1.12.15-8
  21. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 0.0.10-6
  22. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 1.7.7-4
  23. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 2.2.4-4

Event History

May 22, 2026
CVE Published
via MITRE·03:01 PM
Data Sourced
via MITRE·03:01 PM
DescriptionWeakness
Data Sourced
via Red Hat·04:01 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·04:16 PM
DescriptionSeverityWeaknessAffected Software
May 27, 2026
Data Sourced
via Microsoft·08:06 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:06 AM
Affected Software
Updated
via Microsoft·08:06 AM
DescriptionSeverity
Jul 13, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-25680?

CVE-2026-25680 has a risk rating of 26, indicating a high severity level.

2

How does CVE-2026-25680 lead to denial of service?

CVE-2026-25680 can lead to denial of service by consuming excessive CPU resources when parsing arbitrary HTML.

3

Which software is affected by CVE-2026-25680?

The vulnerability CVE-2026-25680 affects the golang.org/x/net/html package.

4

When was CVE-2026-25680 published?

CVE-2026-25680 was published on May 22, 2026.

5

What is the recommended action to mitigate CVE-2026-25680?

To mitigate CVE-2026-25680, ensure that input HTML is properly validated and avoid parsing untrusted content.

Company

Resources

Contact

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