CVE catalog
CVE-2020-26521
golang-github-nats-io-jwt: CVE-2020-26521
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.16% · Oct 25, 2026
The JWT library in NATS nats-server before 2.1.9 allows a denial of service (a nil dereference in Go code).
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | golang-github-nats-io-jwt | sid | 2.8.2-1 | fixed |
| Debian | golang-github-nats-io-jwt | forky | 2.8.2-1 | fixed |
| Debian | golang-github-nats-io-jwt | trixie | 2.7.3-1 | fixed |
| Debian | golang-github-nats-io-jwt | bookworm | 2.3.0-1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | golang-github-nats-io-jwt | source | sid | 2.2.0-1 | not yet assigned | Not reported | [988950] |
| Debian | golang-github-nats-io-jwt | source | forky | 2.2.0-1 | not yet assigned | Not reported | [988950] |
| Debian | golang-github-nats-io-jwt | source | trixie | 2.2.0-1 | not yet assigned | Not reported | [988950] |
| Debian | golang-github-nats-io-jwt | source | bookworm | 2.2.0-1 | not yet assigned | Not reported | [988950] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
Source package: [golang-github-nats-io-jwt]
Details (2)
2.3.0-1· all · bookwormFixed · Fixed:
2.2.0-1dsa · golang-github-nats-io-jwt · debian · bookworm; dsa · golang-github-nats-io-jwt · debian · 12
2.3.0-1· all · bookwormFixed · Fixed:
2.2.0-1dsa · golang-github-nats-io-jwt · debian · bookworm; dsa · golang-github-nats-io-jwt · debian · 12
[Debian 13 (Trixie)]
Source package: [golang-github-nats-io-jwt]
Details (2)
2.7.3-1· all · trixieFixed · Fixed:
2.2.0-1dsa · golang-github-nats-io-jwt · debian · 13
2.7.3-1· all · trixieFixed · Fixed:
2.2.0-1dsa · golang-github-nats-io-jwt · debian · 13
Observed: