Debian/golang-golang-x-net: critical 9.6
The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. For example, ToUnicode("xn--example-.com") incorrectly returns the name "example.com"
Action: Upgrade golang-golang-x-net to 1:0.55.0-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:0.55.0-1 | - |
Fixed versions
| 1:0.55.0-1 |
Sources
- osv: DEBIAN-CVE-2026-39821#Debian:14/golang-golang-x-net
- https://security-tracker.debian.org/tracker/CVE-2026-39821
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