{"id":"CVE-2026-26446","aliases":["EUVD-2026-66755","GHSA-22jf-r33c-m8rf","UBUNTU-CVE-2026-26446"],"status":"published","title":"Stomper 5e2741e is vulnerable to Denial of Service. When a broker sends data to a client whose...","description":"Stomper 5e2741e is vulnerable to Denial of Service. When a broker sends data to a client whose TCP connection was already closed by the peer, the server process receives SIGPIPE and immediately terminates, resulting in a denial of service. Any unauthenticated client can trigger the crash by closing the socket at specific points.","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":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00488,"percentile":0.42464,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-703"],"published":"2026-08-26T00:00:00Z","modified":"2026-10-28T02:30:52Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"stomper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3.0-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"stomper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3.0-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"stomper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.1-2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"stomper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.1-2","0.4.3-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"stomper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.3-2","0.4.3-3"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"stomper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.3-3build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"stomper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.3-3","0.4.3-3build1"]}],"references":[{"url":"https://github.com/mdoi/stomper","tags":["package"]},{"url":"https://github.com/songxpu/bug_report/blob/master/Stomp/stomper_vuln2.md","tags":["exploit","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26446","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-22jf-r33c-m8rf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26446.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-26446","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-26446","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-26446","description":"Stomper 5e2741e is vulnerable to Denial of Service. When a broker sends data to a client whose TCP connection was already closed by the peer, the server process receives SIGPIPE and immediately terminates, resulting in a denial of service. Any unauthenticated client can trigger the crash by closing the socket at specific points.","status":"published","published":"2026-08-26T00:00:00Z","modified":"2026-08-27T18:42:45.23Z","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":"adp"}],"cwes":["CWE-703"],"updated_at":"2026-11-02T13:38:32.13011Z"}],"euvd":[{"id":"EUVD-2026-66755","description":"Stomper 5e2741e is vulnerable to Denial of Service. When a broker sends data to a client whose TCP connection was already closed by the peer, the server process receives SIGPIPE and immediately terminates, resulting in a denial of service. Any unauthenticated client can trigger the crash by closing the socket at specific points.","status":"published","published":"2026-08-26T00:00:00Z","modified":"2026-08-27T18:42:45Z","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"}],"updated_at":"2026-11-02T18:01:26.820985Z"}],"ghsa":[{"id":"GHSA-22jf-r33c-m8rf","title":"Stomper 5e2741e is vulnerable to Denial of Service. When a broker sends data to a client whose...","description":"Stomper 5e2741e is vulnerable to Denial of Service. When a broker sends data to a client whose TCP connection was already closed by the peer, the server process receives SIGPIPE and immediately terminates, resulting in a denial of service. Any unauthenticated client can trigger the crash by closing the socket at specific points.","status":"published","published":"2026-08-26T21:31:42Z","modified":"2026-08-27T21:32:30Z","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-703"],"updated_at":"2026-11-02T15:11:05.645531Z"}],"nvd":[{"id":"CVE-2026-26446","description":"Stomper 5e2741e is vulnerable to Denial of Service. When a broker sends data to a client whose TCP connection was already closed by the peer, the server process receives SIGPIPE and immediately terminates, resulting in a denial of service. Any unauthenticated client can trigger the crash by closing the socket at specific points.","status":"published","published":"2026-08-26T20:17:11.527Z","modified":"2026-08-28T21:20:39.19Z","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":"secondary"}],"cwes":["CWE-703"],"updated_at":"2026-11-02T14:12:41.66469Z"}],"osv":[{"id":"CVE-2026-26446","description":"Stomper 5e2741e is vulnerable to Denial of Service. When a broker sends data to a client whose TCP connection was already closed by the peer, the server process receives SIGPIPE and immediately terminates, resulting in a denial of service. Any unauthenticated client can trigger the crash by closing the socket at specific points.","status":"published","published":"2026-08-26T00:00:00Z","modified":"2026-10-28T02:30:52.956736656Z","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"}],"updated_at":"2026-11-02T15:44:59.80315Z"},{"id":"UBUNTU-CVE-2026-26446","description":"Stomper 5e2741e is vulnerable to Denial of Service. When a broker sends data to a client whose TCP connection was already closed by the peer, the server process receives SIGPIPE and immediately terminates, resulting in a denial of service. Any unauthenticated client can trigger the crash by closing the socket at specific points.","status":"published","published":"2026-08-26T20:17:00Z","modified":"2026-10-17T12:56:18.11717133Z","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"}],"updated_at":"2026-11-02T16:56:08.726452Z"}]}}