{"id":"CVE-2021-22553","aliases":["EUVD-2021-9694","GHSA-f46h-mh94-f4w2"],"status":"published","title":"Heap Memory exhaustion in Gerrit","description":"Any git operation is passed through Jetty and a session is created. No expiry is set for the session and Jetty does not automatically dispose of the session. Over multiple git actions, this can lead to a heap memory exhaustion for Gerrit servers. We recommend upgrading Gerrit to any of the versions listed above.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00368,"percentile":0.3103,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400","CWE-772"],"published":"2021-02-17T12:05:17Z","modified":"2026-06-17T03:37:25Z","products":[{"vendor":"gerrit","product":"gerrit"},{"vendor":"google","product":"gerrit"},{"vendor":"google llc","product":"gerrit"}],"references":[{"url":"https://bugs.chromium.org/p/gerrit/issues/detail?id=13858","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22553"},{"url":"https://github.com/advisories/GHSA-f46h-mh94-f4w2"}],"sources":{"cve":[{"id":"CVE-2021-22553","title":"Heap Memory exhaustion in Gerrit","description":"Any git operation is passed through Jetty and a session is created. No expiry is set for the session and Jetty does not automatically dispose of the session. Over multiple git actions, this can lead to a heap memory exhaustion for Gerrit servers. We recommend upgrading Gerrit to any of the versions listed above.","status":"published","published":"2021-02-17T12:05:17.41Z","modified":"2024-09-16T19:51:15.662Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:32:57.701381Z"}],"euvd":[{"id":"EUVD-2021-9694","description":"Any git operation is passed through Jetty and a session is created. No expiry is set for the session and Jetty does not automatically dispose of the session. Over multiple git actions, this can lead to a heap memory exhaustion for Gerrit servers. We recommend upgrading Gerrit to any of the versions listed above.","status":"published","published":"2021-02-17T12:05:17Z","modified":"2024-09-16T19:51:15Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:55:19.533306Z"}],"ghsa":[{"id":"GHSA-f46h-mh94-f4w2","title":"Any git operation is passed through Jetty and a session is created. No expiry is set for the...","description":"Any git operation is passed through Jetty and a session is created. No expiry is set for the session and Jetty does not automatically dispose of the session. Over multiple git actions, this can lead to a heap memory exhaustion for Gerrit servers. We recommend upgrading Gerrit to any of the versions listed above.","status":"published","published":"2022-05-24T17:42:32Z","modified":"2023-01-30T05:01:28Z","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-400","CWE-772"],"updated_at":"2026-11-02T14:46:25.069065Z"}],"nvd":[{"id":"CVE-2021-22553","description":"Any git operation is passed through Jetty and a session is created. No expiry is set for the session and Jetty does not automatically dispose of the session. Over multiple git actions, this can lead to a heap memory exhaustion for Gerrit servers. We recommend upgrading Gerrit to any of the versions listed above.","status":"published","published":"2021-02-17T12:15:12.063Z","modified":"2026-06-17T03:37:25.38Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"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"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-400","CWE-772"],"updated_at":"2026-11-02T14:06:50.031227Z"}]}}