How severe is CVE-2025-47911?

CVE-2025-47911 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-47911 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-47911?

CVE-2025-47911 affects Go Html. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-47911?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-47911 have an EU (EUVD) identifier?

Yes. CVE-2025-47911 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206856.

When was CVE-2025-47911 published?

CVE-2025-47911 was published on 2026-02-05 and last updated on 2026-06-17.

CVE-2025-47911

CVE-2025-47911 is a medium-severity vulnerability in Go Html with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-206856
Affected product: Go Html
Published: 2026-02-05
Last modified: 2026-06-17

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.

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 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-47911 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-47911?: CVE-2025-47911 affects Go Html. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-47911?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-47911 have an EU (EUVD) identifier?: Yes. CVE-2025-47911 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206856.
When was CVE-2025-47911 published?: CVE-2025-47911 was published on 2026-02-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:go:html:*:*:*:*:*:go:*:*

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