| Name | CVE-2026-46600 |
| Description | Parsing an invalid SVCB or HTTPS RR can panic when the size of a parameter value overflows the message buffer. |
| 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) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| golang-golang-x-net (PTS) | bullseye | 1:0.0+git20210119.5f4716e+dfsg-4 | fixed |
| bookworm | 1:0.7.0+dfsg-1 | fixed |
| trixie | 1:0.27.0-2 | fixed |
| forky, sid | 1:0.57.0-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[trixie] - golang-golang-x-net <not-affected> (Vulnerable code introduced later)
[bookworm] - golang-golang-x-net <not-affected> (SVCB/HTTPS RR support not present; dns/dnsmessage/svcb.go and unpackSVCBResource introduced in x/net v0.47.0)
[bullseye] - golang-golang-x-net <not-affected> (SVCB/HTTPS RR support not present; dns/dnsmessage/svcb.go and unpackSVCBResource introduced in x/net v0.47.0)
https://github.com/golang/go/issues/79795
Fixed by: https://github.com/golang/net/commit/82e7868a02167540748b74780b0bf825985256f7 (v0.56.0)
Introduced with: https://github.com/golang/net/commit/bb2055dafd28a92822d2297d3121c7498d58f1f6 (v0.47.0)