CVE-2025-58189

unknown

Published 2025-10-29 · Modified 2026-05-15

CVSS v3

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CVSS v2

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VIR risk

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Description

When Conn.Handshake fails during ALPN negotiation the error contains attacker controlled information (the ALPN protocols sent by the client) which is not escaped.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2025-58189.html

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2025-58189

OS impact

OS	Version	Status	Fixed in
debian	forky	fixed	`1.25.2-1`
debian	sid	fixed	`1.25.2-1`
debian	bullseye	affected
debian	bookworm	affected
debian	trixie	affected
sles		affected

Package impact

Ecosystem	Package	Vulnerable	Fixed
Go	stdlib	`>=1.25.0,<1.25.2`	`1.24.8`

References

https://go.dev/cl/707776
https://go.dev/issue/75652
https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI
https://security-tracker.debian.org/tracker/CVE-2025-58189
https://www.suse.com/security/cve/CVE-2025-58189.html

Verify integrity in audit chain (admin only). AS-IS.