| Name | CVE-2026-56852 |
| Description | A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1142674 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| golang-golang-x-text (PTS) | bullseye | 0.3.6-1 | vulnerable |
| bookworm | 0.7.0-1 | vulnerable |
| trixie | 0.22.0-1 | vulnerable |
| forky, sid | 0.40.0-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bookworm] - golang-golang-x-text <postponed> (Limited support, minor issue; DoS only, reachable via norm.Iter with NFC/NFKC on unvalidated UTF-8)
[bullseye] - golang-golang-x-text <postponed> (Limited support, minor issue; DoS only, reachable via norm.Iter with NFC/NFKC on unvalidated UTF-8)
https://github.com/golang/go/issues/80142
Fixed by: https://github.com/golang/text/commit/5ae8e578e495731553eddba11b2d0e86c91a00ce (v0.39.0)