{"id":"CVE-2023-40296","aliases":["EUVD-2023-44889","GHSA-jjxp-37fv-3j67"],"status":"published","title":"async-sockets-cpp through 0.3.1 has a stack-based buffer overflow in ReceiveFrom and Receive in...","description":"async-sockets-cpp through 0.3.1 has a stack-based buffer overflow in ReceiveFrom and Receive in udpsocket.hpp when processing malformed UDP packets.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00894,"percentile":0.59755,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-787"],"published":"2023-08-14T00:00:00Z","modified":"2026-10-28T02:30:21Z","exploits":[{"source":"pocgithub","id":"Halcy0nic/CVE-2023-40296","title":"Halcy0nic/CVE-2023-40296","date":"2023-08-14","url":"https://github.com/Halcy0nic/CVE-2023-40296"}],"products":[{"vendor":"eminfedar","product":"async-sockets-cpp"}],"references":[{"url":"https://github.com/eminfedar/async-sockets-cpp/issues/32","tags":["x_transferred","Exploit","Issue Tracking","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40296","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-jjxp-37fv-3j67"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/40xxx/CVE-2023-40296.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-40296","description":"async-sockets-cpp through 0.3.1 has a stack-based buffer overflow in ReceiveFrom and Receive in udpsocket.hpp when processing malformed UDP packets.","status":"published","published":"2023-08-14T00:00:00Z","modified":"2024-10-09T14:53:45.09Z","updated_at":"2026-11-02T14:35:21.971258Z"}],"euvd":[{"id":"EUVD-2023-44889","description":"async-sockets-cpp through 0.3.1 has a stack-based buffer overflow in ReceiveFrom and Receive in udpsocket.hpp when processing malformed UDP packets.","status":"published","published":"2023-08-14T00:00:00Z","modified":"2024-10-09T14:53:45Z","updated_at":"2026-11-03T00:27:43.39457Z"}],"ghsa":[{"id":"GHSA-jjxp-37fv-3j67","title":"async-sockets-cpp through 0.3.1 has a stack-based buffer overflow in ReceiveFrom and Receive in...","description":"async-sockets-cpp through 0.3.1 has a stack-based buffer overflow in ReceiveFrom and Receive in udpsocket.hpp when processing malformed UDP packets.","status":"published","published":"2023-08-14T06:30:21Z","modified":"2024-04-04T06:54:32Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:56:46.449942Z"}],"nvd":[{"id":"CVE-2023-40296","description":"async-sockets-cpp through 0.3.1 has a stack-based buffer overflow in ReceiveFrom and Receive in udpsocket.hpp when processing malformed UDP packets.","status":"published","published":"2023-08-14T04:15:11.467Z","modified":"2026-06-17T06:17:07.857Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:22.812138Z"}],"osv":[{"id":"CVE-2023-40296","description":"async-sockets-cpp through 0.3.1 has a stack-based buffer overflow in ReceiveFrom and Receive in udpsocket.hpp when processing malformed UDP packets.","status":"published","published":"2023-08-14T00:00:00Z","modified":"2026-10-28T02:30:21.777514755Z","updated_at":"2026-11-02T15:44:33.244128Z"}]}}