{"id":"CVE-2026-67588","aliases":["DEBIAN-CVE-2026-67588","EUVD-2026-53054","GHSA-mxmv-xrrq-hrv5","UBUNTU-CVE-2026-67588"],"status":"published","title":"Apache Qpid ProtonJ2: Unbounded symbol value caching can lead to pre-authentication resource exhaustion","description":"A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service.\n\nThis issue affects Apache Qpid ProtonJ2: through 1.1.0.\n\nUsers are recommended to upgrade to version 1.2.0, which fixes the issue.","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":"2026-11-12","score":0.00774,"percentile":0.5624,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2026-08-05T05:21:44Z","modified":"2026-11-11T09:40:21Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"qpid-proton","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7-2","0.10-2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"qpid-proton","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.14.0-5.1","0.14.0-5.1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"qpid-proton","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.22.0-5.1","0.22.0-5.1build1","0.22.0-5.1ubuntu1","0.22.0-5.1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"qpid-proton","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.37.0-7build1","0.37.0-8","0.37.0-9","0.37.0-9build1"]}],"products":[{"vendor":"apache","product":"qpid_protonj2"},{"vendor":"apache software foundation","product":"apache qpid protonj2"}],"references":[{"url":"https://lists.apache.org/thread/vk4j02dzggfdrdkwvzmqo4jro2tgj0jt","tags":["vendor-advisory","Mailing List","Vendor Advisory","advisory","report"]},{"url":"http://www.openwall.com/lists/oss-security/2026/08/04/27","tags":["Mailing List","Third Party Advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-67588","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mxmv-xrrq-hrv5"},{"url":"https://repo.maven.apache.org/maven2","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67588.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-67588","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-67588","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-67588","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-67588","title":"Apache Qpid ProtonJ2: Unbounded symbol value caching can lead to pre-authentication resource exhaustion","description":"A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service.\n\nThis issue affects Apache Qpid ProtonJ2: through 1.1.0.\n\nUsers are recommended to upgrade to version 1.2.0, which fixes the issue.","status":"published","published":"2026-08-05T05:21:44.24Z","modified":"2026-08-06T13:44:32.387Z","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-770"],"updated_at":"2026-11-02T14:20:06.562031Z"}],"euvd":[{"id":"EUVD-2026-53054","description":"A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service.\n\nThis issue affects Apache Qpid ProtonJ2: through 1.1.0.\n\nUsers are recommended to upgrade to version 1.2.0, which fixes the issue.","status":"published","published":"2026-08-05T05:21:44Z","modified":"2026-08-06T13:44:32Z","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"}],"updated_at":"2026-11-02T18:02:09.043832Z"}],"ghsa":[{"id":"GHSA-mxmv-xrrq-hrv5","title":"A pre-authentication attacker could leverage unbounded symbol value caching to cause resource...","description":"A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service.\n\nThis issue affects Apache Qpid ProtonJ2: through 1.1.0.\n\nUsers are recommended to upgrade to version 1.2.0, which fixes the issue.","status":"published","published":"2026-08-05T06:30:32Z","modified":"2026-08-06T15:32:33Z","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-770"],"updated_at":"2026-11-02T15:10:09.171432Z"}],"nvd":[{"id":"CVE-2026-67588","description":"A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service.\n\nThis issue affects Apache Qpid ProtonJ2: through 1.1.0.\n\nUsers are recommended to upgrade to version 1.2.0, which fixes the issue.","status":"published","published":"2026-08-05T06:16:39.45Z","modified":"2026-10-24T16:10:00.153Z","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-770"],"updated_at":"2026-11-02T14:12:34.643497Z"}],"osv":[{"id":"CVE-2026-67588","title":"Apache Qpid ProtonJ2: Unbounded symbol value caching can lead to pre-authentication resource exhaustion","description":"A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service.\n\nThis issue affects Apache Qpid ProtonJ2: through 1.1.0.\n\nUsers are recommended to upgrade to version 1.2.0, which fixes the issue.","status":"published","published":"2026-08-05T05:21:44.24Z","modified":"2026-10-28T02:30:45.830371044Z","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-770"],"updated_at":"2026-11-02T15:45:14.46177Z"},{"id":"UBUNTU-CVE-2026-67588","description":"A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service. This issue affects Apache Qpid ProtonJ2: through 1.1.0. Users are recommended to upgrade to version 1.2.0, which fixes the issue.","status":"published","published":"2026-08-05T06:16:00Z","modified":"2026-11-11T09:40:21.724935121Z","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":"2026-11-11T10:02:29.873884Z"},{"id":"DEBIAN-CVE-2026-67588","description":"A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service.  This issue affects Apache Qpid ProtonJ2: through 1.1.0.  Users are recommended to upgrade to version 1.2.0, which fixes the issue.","status":"withdrawn","published":"2026-08-05T06:16:39.45Z","modified":"2026-08-06T20:00:37.010168651Z","updated_at":"2026-11-02T15:46:01.68444Z"}]}}