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CVE-2025-47911

MEDIUMCVSS 5.3/10EPSS 0.50%

Last modified

CVE-2025-47911 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.3/10

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

EPSS Probability
0.50%

39.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
GoHtml< 0.45.0

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-47911?
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.
How severe is CVE-2025-47911?
CVE-2025-47911 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.
How do I fix CVE-2025-47911?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-47911?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST