SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://go.dev/cl/721961 Patch
- https://pkg.go.dev/vuln/GO-2025-4134 Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.3 · golangNVD modified 2026-10-18 20:10
Affected (CPE criteria) 1
cpe:2.3:a:golang:crypto:*:*:*:*:*:go:*:*
References 4
- https://go.dev/cl/721961 Patch
- https://go.dev/issue/76363 Issue Tracking
- https://groups.google.com/g/golang-announce/c/w-oX3UxNcZA Mailing List
- https://pkg.go.dev/vuln/GO-2025-4134 Vendor Advisory