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JLSEC-2026-1199 Critical 9.1

libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse...

SourceEditHistoryOSVJSON (OSV)
JLSEC Published
Modified
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Packages
CURL_jll >= 8.17.0+0, < 8.21.0+0
LibCURL_jll >= 8.17.0+0, < 8.21.0+0
Upstream
CVE-2026-11564 GHSA-hf82-6jff-f22v EUVD-2026-41499

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.

References