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Golang CVE-2025-47911

MEDIUM
2026-02-05 security@golang.org GHSA-w4gw-w5jq-g9jh
5.3
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
Patch released
Feb 18, 2026 - 17:48 nvd
Patch available
CVE Published
Feb 05, 2026 - 18:16 nvd
MEDIUM 5.3

DescriptionNVD

The html.Parse function in golang.org/x/net/html has quadratic parsing complexity when processing certain inputs, which can lead to denial of service (DoS) if an attacker provides specially crafted HTML content.

AnalysisAI

Html contains a vulnerability that allows attackers to denial of service (DoS) if an attacker provides specially crafted HTML content (CVSS 5.3).

Technical ContextAI

affects Html. The html.Parse function in golang.org/x/net/html has quadratic parsing complexity when processing certain inputs, which can lead to denial of service (DoS) if an attacker provides specially crafted HTML content.

RemediationAI

A vendor patch is available — apply it immediately. Restrict network access to the affected service where possible.

Vendor StatusVendor

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CVE-2025-47911 vulnerability details – vuln.today

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