Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-90927.json
JSON Data
https://api.test.osv.dev/v1/vulns/AZL-90927
Upstream
Published
2026-06-17T20:17:28Z
Modified
2026-09-16T06:39:01Z
Summary
CVE-2026-55200 affecting package libssh2 for versions less than 1.11.1-3
Details

libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2_transport_read() that fails to enforce upper bounds on packet_length field. Remote attackers can send crafted SSH packets with excessively large packet_length values to corrupt heap memory and achieve remote code execution.

References

Affected packages

Azure Linux:3 / libssh2

Package

Name
libssh2
Purl
pkg:rpm/azure-linux/libssh2

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.11.1-3

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-90927.json"