Crow before 1.0+4 has a heap-based buffer overflow via the function qs_parse in query_string.h. On successful exploitation this vulnerability allows attackers to remotely execute arbitrary code in the context of the vulnerable service.
https://github.com/CrowCpp/Crow/releases/tag/v1.0%2B4
https://github.com/CrowCpp/Crow/pull/486
https://cwe.mitre.org/data/definitions/193.html
https://github.com/0xhebi/CVE-2022-34970/blob/master/report.md
Source: Mitre, NVD
Published: 2022-08-04
Updated: 2026-06-17
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.02796