{"action":"Upgrade dulwich to 0.18.5 or later.","affected":[{"fixed":"0.18.5","introduced":"0"}],"component":"dulwich","cve_ids":["CVE-2017-16228"],"ecosystem":"PyPI","epss":0.03706,"exploited":false,"fixed_versions":["0.18.5"],"ghsa_id":"GHSA-cwwh-4382-6fwr","id":"tcs_01M5KG72SQRB1F97B86DNCZC6B","modified_at":"2026-06-10T17:01:13.161612470Z","published_at":"2017-10-29T20:29:00Z","references":["https://osv.dev/vulnerability/PYSEC-2017-12","https://www.dulwich.io/code/dulwich/commit/7116a0cbbda571f7dac863f4b1c00b6e16d6d8d6/","https://www.dulwich.io/code/dulwich/","https://tracker.debian.org/news/882440","https://github.com/advisories/GHSA-cwwh-4382-6fwr"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2017-12","url":"https://osv.dev/vulnerability/PYSEC-2017-12"}],"summary":"Dulwich before 0.18.5, when an SSH subprocess is used, allows remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostname, a related issue to CVE-2017-"}