CVE-2020-26521

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

The JWT library in NATS nats-server before 2.1.9 allows a denial of service (a nil dereference in Go code).

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.openwall.com/lists/oss-security/2020/11/02/2Mailing List, Third Party Advisory
https://github.com/nats-io/nats-server/commits/masterPatch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VT67XCLIIBYRT762SVFBYFFTQFVSM3SI/
http://www.openwall.com/lists/oss-security/2020/11/02/2Mailing List, Third Party Advisory
https://github.com/nats-io/nats-server/commits/masterPatch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VT67XCLIIBYRT762SVFBYFFTQFVSM3SI/

Timeline

Published: Nov 6, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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