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Moderate severityNVD Advisory· Published Feb 5, 2026· Updated Feb 12, 2026

Quadratic parsing complexity in golang.org/x/net/html

CVE-2025-47911

Description

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.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
golang.org/x/net/htmlGo
< 0.45.00.45.0

Affected products

765

Patches

Vulnerability mechanics

References

7

News mentions

0

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CVE-2025-47911 · moderate · VYPR