5.3
Moyenne
CVE-2026-33219 NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system
Description
NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, a malicious client which can connect to the WebSockets port can cause unbounded memory use in the nats-server before authentication; this requires sending a corresponding amount of data. This is a milder variant of CVE-2026-27571. That earlier issue was a compression bomb, this vulnerability is not. Attacks against this new issue thus require significant client bandwidth. Versions 2.11.15 and 2.12.6 contain a fix. As a workaround, disable websockets if not required for project deployment.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Multicluster Global Hub 1.4.5 1779579439 | premières → < 1779579439 | 1779579439 |
| Multicluster Global Hub 1.5.4 1778867753 | premières → < 1778867753 | 1778867753 |
| Multicluster Global Hub 1.6.2 1780167118 | premières → < 1780167118 | 1780167118 |
| Red Hat OpenShift Container Platform 4 | Versions non publiées | |
| nats-server 2.12 | 2.12.0-RC.1 → < 2.12.6 | 2.12.6 |
| nats-server 2.11 | premières → < 2.11.15 | 2.11.15 |
| Red Hat multicluster global hub 1.4.3 1779579439 | premières → < 1779579439 | 1779579439 |
| Red Hat multicluster global hub 1.5.2 1778867753 | premières → < 1778867753 | 1778867753 |
| Red Hat multicluster global hub 1.4.4 1779579439 | premières → < 1779579439 | 1779579439 |
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| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Red Hat multicluster global hub 1.6.0 1780167118 | premières → < 1780167118 | 1780167118 |
| Red Hat multicluster global hub 1.5.0 1778867753 | premières → < 1778867753 | 1778867753 |
| Multicluster Global Hub 1.5.7 1778867753 | premières → < 1778867753 | 1778867753 |
| Multicluster Global Hub 1.6.5 1780167118 | premières → < 1780167118 | 1780167118 |
| Red Hat multicluster global hub 1.4.2 1779579439 | premières → < 1779579439 | 1779579439 |
| Red Hat multicluster global hub 1.5.1 1778867753 | premières → < 1778867753 | 1778867753 |
| Multicluster Global Hub 1.5.6 1778867753 | premières → < 1778867753 | 1778867753 |
| Red Hat multicluster global hub 1.5.3 1778867753 | premières → < 1778867753 | 1778867753 |
Références
- github.com github.com
- advisories.nats.io advisories.nats.io
- advisories.nats.io advisories.nats.io
- github.com github.com
Chronologie
- Publiée
- Dernière modification
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