{"id":"GHSA-jp4j-47f9-2vc3","summary":"Integer Overflow or Wraparound in NATS Server","details":"An integer overflow in NATS Server before 2.2.0 allows a remote attacker to crash the server by sending a crafted request.\n\n### Specific Go Packages Affected\ngithub.com/nats-io/nats-server/v2/server","aliases":["CVE-2019-13126","GO-2022-0852"],"modified":"2026-09-10T03:49:05.035658757Z","published":"2021-05-18T18:14:55Z","database_specific":{"github_reviewed_at":"2021-05-17T16:35:04Z","nvd_published_at":"2019-07-29T17:15:00Z","cwe_ids":["CWE-190"],"severity":"HIGH","github_reviewed":true},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-13126"},{"type":"WEB","url":"https://github.com/nats-io/nats-server/pull/1053"},{"type":"WEB","url":"https://github.com/nats-io/nats-server/pull/1441"},{"type":"WEB","url":"https://github.com/nats-io/nats-server/commit/07ef71ff98f45f8c2711be4aeaf484610d891dda"},{"type":"WEB","url":"https://github.com/nats-io/nats-server/commits/master"},{"type":"WEB","url":"https://www.twistlock.com/labs-blog/finding-dos-vulnerability-nats-go-fuzz-cve-2019-13126"}],"affected":[{"package":{"name":"github.com/nats-io/nats-server/v2","ecosystem":"Go","purl":"pkg:golang/github.com/nats-io/nats-server/v2"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.2.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/05/GHSA-jp4j-47f9-2vc3/GHSA-jp4j-47f9-2vc3.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}