GHSA-8c26-wmh5-6g9v

golang.org/x/crypto/ssh Denial of service via crafted Signer

At a glance

Published: 2022-03-19 00:01 UTC
Updated: 2026-09-10 03:49 UTC
CVE: CVE-2022-27191
Aliases: GO-2021-0356
CVSS_V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

The golang.org/x/crypto/ssh package before 0.0.0-20220314234659-1baeb1ce4c0b for Go allows an attacker to crash a server in certain circumstances involving AddHostKey.

Affected packages

Package	Versions
Go · golang.org/x/crypto	introduced 0, fixed 0.0.0-20220314234659-1baeb1ce4c0b

References

https://nvd.nist.gov/vuln/detail/CVE-2022-27191 ADVISORY
https://security.netapp.com/advisory/ntap-20220429-0002 WEB
https://raw.githubusercontent.com/golang/vulndb/df2d3d326300e2ae768f00351ffa96cc2c56cf54/reports/GO-2021-0356.yaml WEB
https://pkg.go.dev/vuln/GO-2021-0356 WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZY2SLWOQR4ZURQ7UBRZ7JIX6H6F5JHJR WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZQNPPQWSTP2IX7SHE6TS4SP4EVMI5EZK WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZFUNHFHQVJSADNH7EZ3B53CYDZVEEPBP WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z55VUVGO7E5PJFXIOVAY373NZRHBNCI5 WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YHYRQB7TRMHDB3NEHW5XBRG7PPMUTPGV WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RQXU752ALW53OJAF5MG3WMR5CCZVLWW6 WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QTFOIDHQRGNI4P6LYN6ILH5G443RYYKB WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J5WPM42UR6XIBQNQPNQHM32X7S4LJTRX WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HHGBEGJ54DZZGTXFUQNS7ZIG3E624YAF WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EZ3S7LB65N54HXXBCB67P4TTOHTNPP5O WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DLUJZV3HBP56ADXU6QH2V7RNYUPMVBXQ WEB
https://groups.google.com/g/golang-announce/c/-cp44ypCT5s WEB
https://groups.google.com/g/golang-announce WEB
https://go.googlesource.com/crypto/+/1baeb1ce4c0b006eff0f294c47cb7617598dfb3d WEB
https://go.dev/cl/392355 WEB
https://cs.opensource.google/go/x/crypto PACKAGE

Sources

Source	Licence
OSV.dev	CC-BY 4.0 — GitHub Advisory Database