CVE-2025-47911
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
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.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2025-47911.html
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2025-47911
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | fixed | 1:0.47.0-1 |
| debian | sid | fixed | 1:0.47.0-1 |
| debian | trixie | affected | |
| sles | affected | |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | golang.org/x/net/html | <0.45.0 | 0.45.0 |
| Go | golang.org/x/net | <0.45.0 | 0.45.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-47911
- https://github.com/golang/vulndb/issues/4440
- https://go.dev/cl/709876
- https://go.googlesource.com/net
- https://groups.google.com/g/golang-announce/c/jnQcOYpiR2c
- https://pkg.go.dev/vuln/GO-2026-4440
- https://security-tracker.debian.org/tracker/CVE-2025-47911
- https://www.suse.com/security/cve/CVE-2025-47911.html
Verify integrity in audit chain (admin only). AS-IS.