AZL-93243

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Import Source

https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-93243.json

JSON Data

https://api.osv.dev/v1/vulns/AZL-93243

Upstream

CVE-2026-59843

Published

2026-07-21T12:18:57Z

Modified

2026-08-30T05:26:50Z

Summary

CVE-2026-59843 affecting package libssh for versions less than 0.10.6-9

Details

A flaw was found in libssh. A remote authenticated peer can advertise a zero maximum packet size in SSHMSGCHANNEL_OPEN, causing later channel writes to loop indefinitely and consume CPU, leading to denial of service.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-59843

Affected packages

Azure Linux:3 / libssh

Package

Name: libssh
Purl: pkg:rpm/azure-linux/libssh

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.10.6-9

Database specific

source

"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-93243.json"