Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-87411.json
JSON Data
https://api.test.osv.dev/v1/vulns/AZL-87411
Upstream
Published
2026-05-22T04:16:21Z
Modified
2026-09-16T06:39:01Z
Summary
CVE-2026-39827 affecting package cert-manager for versions less than 1.12.15-9
Details

An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for garbage collection.

References

Affected packages

Azure Linux:3 / cert-manager

Package

Name
cert-manager
Purl
pkg:rpm/azure-linux/cert-manager

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.12.15-9

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-87411.json"