CVE catalog
CVE-2026-46600
Parsing an invalid SVCB or HTTPS RR can panic when the size of a parameter value overflows the message buffer.
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.55% · Oct 25, 2026
Parsing an invalid SVCB or HTTPS RR can panic when the size of a parameter value overflows the message buffer.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | golang-golang-x-net | sid | 1:0.61.0-1 | fixed |
| Debian | golang-golang-x-net | forky | 1:0.61.0-1 | fixed |
| Debian | golang-golang-x-net | trixie | 1:0.27.0-2 | not affected |
| Debian | golang-golang-x-net | bookworm | 1:0.7.0+dfsg-1 | not affected |
| Go | golang.org/x/net | Not reported | 0.56.0 | fixed |
| Go | stdlib | Not reported | 1.27.0-rc.3 | fixed |
| Go | stdlib | Not reported | 1.26.6 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | golang-golang-x-net | source | sid | 1:0.56.0-1 | not yet assigned | Not reported | Not reported |
| Debian | golang-golang-x-net | source | forky | 1:0.56.0-1 | not yet assigned | Not reported | Not reported |
| Debian | golang-golang-x-net | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | golang-golang-x-net | source | bookworm | Not affected | unimportant | Not reported | Not reported |
| Go | golang.org/x/net | Go | Not reported | 0.56.0 | Not reported | GO-2026-5942 | Not reported |
| Go | stdlib | Go | Not reported | 1.27.0-rc.3 | Not reported | GO-2026-5942 | Not reported |
| Go | stdlib | Go | Not reported | 1.26.6 | Not reported | GO-2026-5942 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [golang-golang-x-net-dev]Not affected
Source package: [golang-golang-x-net]
Details (2)
1:0.7.0+dfsg-1· all · bookwormNot affected
nvd · golang-golang-x-net · debian · bookworm
1:0.7.0+dfsg-1· all · bookwormNot affected
nvd · golang-golang-x-net · debian · bookworm
Observed:
References
- [https://access.redhat.com/errata/RHSA-2026:60386]
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_11392-1.json]
- [https://go.dev/cl/786345]
- [https://go.dev/issue/79795]
- [https://groups.google.com/g/golang-announce/c/94pEornpRlI]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-46600]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-46600]
- [https://osv.dev/vulnerability/GO-2026-5942]
- [https://pkg.go.dev/vuln/GO-2026-5942]
- [https://security-tracker.debian.org/tracker/CVE-2026-46600]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2850.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [Go Vulnerability Database] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]