This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-11564 →

DEBIAN-CVE-2026-11564

libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse if one of them matches the setup. An easy handle tha...

Original description

The description as published by the source.

libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse if one of them matches the setup. An easy handle that first uses default native CA trust can continue trusting the native platform store after the application switches that same handle to custom CA material for a later transfer.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:14 curl

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.21.0~rc2-1"}]}]

References

advisory security-tracker.debian.org