{"id":"DEBIAN-CVE-2025-4565","details":"Any project that uses Protobuf Pure-Python backend to parse untrusted Protocol Buffers data containing an arbitrary number of recursive groups, recursive messages or a series of SGROUP tags can be corrupted by exceeding the Python recursion limit. This can result in a Denial of service by crashing the application with a RecursionError. We recommend upgrading to version =\u003e6.31.1 or beyond commit 17838beda2943d08b8a9d4df5b68f5f04f26d901","modified":"2026-09-01T20:05:52.639550604Z","published":"2025-06-16T15:15:24.990Z","upstream":["CVE-2025-4565"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2025-4565"}],"affected":[{"package":{"name":"protobuf","ecosystem":"Debian:12","purl":"pkg:deb/debian/protobuf?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.21.12-3+deb12u1"}]}],"versions":["3.21.12-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-4565.json"}},{"package":{"name":"protobuf","ecosystem":"Debian:13","purl":"pkg:deb/debian/protobuf?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.21.12-11+deb13u1"}]}],"versions":["3.21.12-11"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-4565.json"}},{"package":{"name":"protobuf","ecosystem":"Debian:14","purl":"pkg:deb/debian/protobuf?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.21.12-12"}]}],"versions":["3.21.12-11"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-4565.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}