{"id":"GHSA-4xgv-j62q-h3rj","aliases":["GO-2023-1534"],"status":"published","title":"Panic during unmarshal of Hello Verify Request in github.com/pion/dtls/v2","description":"### Impact\n\nDuring the unmarshalling of a hello verify request we could try to unmarshal into too small a buffer. is could result in a panic leading the program to crash.\n\nThis issue could be abused to cause a denial of service.\n\n### Workaround\n\nNone, upgrade to 2.2.4","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","from":"ghsa"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2023-02-07T18:36:47Z","modified":"2024-05-20T16:03:47Z","fixes":[{"ecosystem":"Go","package":"github.com/pion/dtls/v2","fixed_in":["2.2.4"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/pion/dtls/v2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.4"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/pion/dtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.5.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/pion/dtls","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"1.5.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/pion/dtls/v2","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.2.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/pion/dtls/v2","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.2.4"}]}]}],"references":[{"url":"https://github.com/pion/dtls/security/advisories/GHSA-4xgv-j62q-h3rj","tags":["web"]},{"url":"https://github.com/pion/dtls/commit/a50d26c5e4eed2ca87509494ffef2d2ebd22b1eb","tags":["web","fix"]},{"url":"https://pkg.go.dev/vuln/GO-2023-1534","tags":["web"]},{"url":"https://github.com/advisories/GHSA-4xgv-j62q-h3rj"},{"url":"https://github.com/pion/dtls","tags":["package"]}],"sources":{"ghsa":[{"id":"GHSA-4xgv-j62q-h3rj","title":"Panic during unmarshal of Hello Verify Request in github.com/pion/dtls/v2","description":"### Impact\n\nDuring the unmarshalling of a hello verify request we could try to unmarshal into too small a buffer. is could result in a panic leading the program to crash.\n\nThis issue could be abused to cause a denial of service.\n\n### Workaround\n\nNone, upgrade to 2.2.4\n","status":"published","published":"2023-02-07T18:36:47Z","modified":"2023-06-13T23:50:40Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T14:36:54.225318Z"}],"osv":[{"id":"GHSA-4xgv-j62q-h3rj","title":"Panic during unmarshal of Hello Verify Request in github.com/pion/dtls/v2","description":"### Impact\n\nDuring the unmarshalling of a hello verify request we could try to unmarshal into too small a buffer. is could result in a panic leading the program to crash.\n\nThis issue could be abused to cause a denial of service.\n\n### Workaround\n\nNone, upgrade to 2.2.4\n","status":"published","published":"2023-02-07T18:36:47Z","modified":"2023-11-08T04:15:24.696181Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:46:37.528068Z"},{"id":"GO-2023-1534","title":"Panic during unmarshal of Hello Verify Request in github.com/pion/dtls/v2","description":"Unmarshalling a Hello Verify request can panic, which could allow a denial of service.","status":"published","published":"2023-02-13T16:00:43Z","modified":"2024-05-20T16:03:47Z","updated_at":"2026-11-02T15:47:01.185262Z"}]}}