CVE-2019-13126
HIGH7.5EPSS 0.68%Integer Overflow or Wraparound in NATS Server
Published: 5/18/2021Modified: 2/4/2026
Description
An integer overflow in NATS Server before 2.2.0 allows a remote attacker to crash the server by sending a crafted request. ### Specific Go Packages Affected github.com/nats-io/nats-server/v2/server
Affected packages (3)
- Go/github.com/nats-io/nats-serverfrom 0
- Go/github.com/nats-io/nats-server/v2from 0, < 2.2.0
- Go/github.com/nats-io/nats-server/v2from 0, < 2.2.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (7)
- ADVISORYhttps://github.com/advisories/GHSA-jp4j-47f9-2vc3
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2019-13126
- WEBhttps://github.com/nats-io/nats-server/commit/07ef71ff98f45f8c2711be4aeaf484610d891dda
- WEBhttps://github.com/nats-io/nats-server/commits/master
- WEBhttps://github.com/nats-io/nats-server/pull/1053
- WEBhttps://github.com/nats-io/nats-server/pull/1441
- WEBhttps://www.twistlock.com/labs-blog/finding-dos-vulnerability-nats-go-fuzz-cve-2019-13126