{"id":"CVE-2019-16140","aliases":["GHSA-5rrv-m36h-qwf8","RUSTSEC-2019-0016"],"url":"https://o3.security/vulnerability/CVE-2019-16140","summary":"Use-after-free in chttp","details":"The From implementation for Vec was not properly implemented, returning a vector backed by freed memory. This could lead to memory corruption or be exploited to cause undefined behavior.\n\nA fix was published in version 0.1.3.","published":"2019-09-09T12:15:10.820Z","modified":"2026-07-08T17:17:17.883274Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"crates.io","name":"chttp","fixedVersion":"0.1.3"}],"fix":{"url":"https://github.com/sagebind/isahc/commit/9e9f1fb44114078c000c78c72e691eeb9e7ac260","label":"sagebind/isahc@9e9f1fb"},"references":[{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2019-0016.html"},{"type":"REPORT","url":"https://github.com/sagebind/isahc/issues/2"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-16140"},{"type":"WEB","url":"https://github.com/sagebind/isahc/commit/9e9f1fb44114078c000c78c72e691eeb9e7ac260"},{"type":"PACKAGE","url":"https://github.com/sagebind/chttp"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T17:17:17.883274Z"}}