CVE-2025-22869

Name	CVE-2025-22869
Description	SSH servers which implement file transfer protocols are vulnerable to a denial of service attack from clients which complete the key exchange slowly, or not at all, causing pending content to be read into memory, but never transmitted.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1098968

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
golang-go.crypto (PTS)	bullseye	1:0.0~git20201221.eec23a3-1	vulnerable
	bookworm	1:0.4.0-1	vulnerable
	sid, trixie	1:0.25.0-1	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
golang-go.crypto	source	(unstable)	(unfixed)			1098968

Notes

[bookworm] - golang-go.crypto <no-dsa> (Minor issue)
[bullseye] - golang-go.crypto <ignored> (Minor issue; DoS)
https://github.com/golang/go/issues/71931
https://go-review.googlesource.com/c/crypto/+/652135
https://pkg.go.dev/vuln/GO-2025-3487