{"id":"CVE-2022-38667","aliases":["EUVD-2022-41236","GHSA-g8qv-x989-399f"],"status":"published","title":"HTTP applications (servers) based on Crow through 1.0+4 may allow a Use-After-Free and code...","description":"HTTP applications (servers) based on Crow through 1.0+4 may allow a Use-After-Free and code execution when HTTP pipelining is used. The HTTP parser supports HTTP pipelining, but the asynchronous Connection layer is unaware of HTTP pipelining. Specifically, the Connection layer is unaware that it has begun processing a later request before it has finished processing an earlier request.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0322,"percentile":0.88312,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2022-08-22T19:07:43Z","modified":"2026-10-28T02:30:49Z","products":[{"vendor":"crowcpp","product":"crow"}],"references":[{"url":"https://cwe.mitre.org/data/definitions/372.html","tags":["x_refsource_MISC","x_transferred","Technical Description","Third Party Advisory","web"]},{"url":"https://github.com/CrowCpp/Crow/pull/524","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/0xhebi/CVEs/blob/main/Crow/CVE-2022-38667.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://gynvael.coldwind.pl/?id=753","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-38667","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-g8qv-x989-399f"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/38xxx/CVE-2022-38667.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-38667","description":"HTTP applications (servers) based on Crow through 1.0+4 may allow a Use-After-Free and code execution when HTTP pipelining is used. The HTTP parser supports HTTP pipelining, but the asynchronous Connection layer is unaware of HTTP pipelining. Specifically, the Connection layer is unaware that it has begun processing a later request before it has finished processing an earlier request.","status":"published","published":"2022-08-22T19:07:43Z","modified":"2024-08-03T11:02:14.379Z","updated_at":"2026-11-02T14:34:37.599536Z"}],"euvd":[{"id":"EUVD-2022-41236","description":"HTTP applications (servers) based on Crow through 1.0+4 may allow a Use-After-Free and code execution when HTTP pipelining is used. The HTTP parser supports HTTP pipelining, but the asynchronous Connection layer is unaware of HTTP pipelining. Specifically, the Connection layer is unaware that it has begun processing a later request before it has finished processing an earlier request.","status":"published","published":"2022-08-22T19:07:43Z","modified":"2024-08-03T11:02:14Z","updated_at":"2026-11-03T03:25:21.94292Z"}],"ghsa":[{"id":"GHSA-g8qv-x989-399f","title":"HTTP applications (servers) based on Crow through 1.0+4 may allow a Use-After-Free and code...","description":"HTTP applications (servers) based on Crow through 1.0+4 may allow a Use-After-Free and code execution when HTTP pipelining is used.","status":"published","published":"2022-08-23T00:00:15Z","modified":"2023-02-01T05:05:06Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:50:13.161108Z"}],"nvd":[{"id":"CVE-2022-38667","description":"HTTP applications (servers) based on Crow through 1.0+4 may allow a Use-After-Free and code execution when HTTP pipelining is used. The HTTP parser supports HTTP pipelining, but the asynchronous Connection layer is unaware of HTTP pipelining. Specifically, the Connection layer is unaware that it has begun processing a later request before it has finished processing an earlier request.","status":"published","published":"2022-08-22T20:15:08.52Z","modified":"2026-06-17T04:56:58.277Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:07:25.883929Z"}],"osv":[{"id":"CVE-2022-38667","description":"HTTP applications (servers) based on Crow through 1.0+4 may allow a Use-After-Free and code execution when HTTP pipelining is used. The HTTP parser supports HTTP pipelining, but the asynchronous Connection layer is unaware of HTTP pipelining. Specifically, the Connection layer is unaware that it has begun processing a later request before it has finished processing an earlier request.","status":"published","published":"2022-08-22T19:07:43Z","modified":"2026-10-28T02:30:49.059128125Z","updated_at":"2026-11-02T15:44:26.53798Z"}]}}