{"cve":"CVE-2019-13126","nvd":{"published":"2019-07-29T17:15:11.467","modified":"2026-06-17T02:16:07.397","status":"Modified","description":"An integer overflow in NATS Server before 2.0.2 allows a remote attacker to crash the server by sending a crafted request. If authentication is enabled, then the remote attacker must have first authenticated.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-190"],"references":["https://github.com/nats-io/nats-server/pull/1053","https://www.twistlock.com/labs-blog/finding-dos-vulnerability-nats-go-fuzz-cve-2019-13126/","https://github.com/nats-io/nats-server/pull/1053","https://www.twistlock.com/labs-blog/finding-dos-vulnerability-nats-go-fuzz-cve-2019-13126/"],"products":["linuxfoundation:nats-server"],"source":"nvd","synced_at":"2026-10-19T20:58:11.797917892+00:00"},"epss":{"cve":"CVE-2019-13126","score":0.01773,"percentile":0.78178,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-jp4j-47f9-2vc3","url":"https://osv.dev/vulnerability/GHSA-jp4j-47f9-2vc3","summary":"Integer Overflow or Wraparound in NATS Server","modified":"2026-09-10T03:49:05.035658757Z","packages":[{"ecosystem":"Go","name":"github.com/nats-io/nats-server/v2","purl":"pkg:golang/github.com/nats-io/nats-server/v2","ranges":["<2.2.0"],"fixed":["2.2.0"]}]},{"id":"GO-2022-0852","url":"https://osv.dev/vulnerability/GO-2022-0852","summary":"Integer Overflow or Wraparound in NATS Server in github.com/nats-io/nats-server","modified":"2026-02-04T03:32:18.606640Z","packages":[{"ecosystem":"Go","name":"github.com/nats-io/nats-server","purl":"pkg:golang/github.com/nats-io/nats-server","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/nats-io/nats-server/v2","purl":"pkg:golang/github.com/nats-io/nats-server/v2","ranges":["<2.2.0"],"fixed":["2.2.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}