{"id":"CVE-2017-16228","aliases":["GHSA-cwwh-4382-6fwr","PYSEC-2017-12"],"url":"https://o3.security/vulnerability/CVE-2017-16228","summary":"Dulwich RCE Vulnerability","details":"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-2017-9800, CVE-2017-12836, CVE-2017-12976, CVE-2017-1000116, and CVE-2017-1000117.","published":"2017-10-29T20:29:00.237Z","modified":"2026-08-07T15:18:44.868156Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"dulwich","fixedVersion":"0.18.5"}],"fix":{"url":"https://github.com/jelmer/dulwich/commit/7116a0cbbda571f7dac863f4b1c00b6e16d6d8d6","label":"jelmer/dulwich@7116a0c"},"references":[{"type":"ADVISORY","url":"https://www.dulwich.io/code/dulwich/"},{"type":"REPORT","url":"https://tracker.debian.org/news/882440"},{"type":"FIX","url":"https://www.dulwich.io/code/dulwich/commit/7116a0cbbda571f7dac863f4b1c00b6e16d6d8d6/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-16228"},{"type":"WEB","url":"https://github.com/jelmer/dulwich/commit/7116a0cbbda571f7dac863f4b1c00b6e16d6d8d6"},{"type":"PACKAGE","url":"https://github.com/jelmer/dulwich"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/dulwich/PYSEC-2017-12.yaml"},{"type":"WEB","url":"https://web.archive.org/web/20201220231743/https://www.dulwich.io/code/dulwich/commit/7116a0cbbda571f7dac863f4b1c00b6e16d6d8d6"},{"type":"WEB","url":"https://web.archive.org/web/20210128154006/https://www.dulwich.io/code/dulwich"},{"type":"WEB","url":"https://www.dulwich.io/code/dulwich"},{"type":"WEB","url":"https://www.dulwich.io/code/dulwich/commit/7116a0cbbda571f7dac863f4b1c00b6e16d6d8d6"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T15:18:44.868156Z"}}