crítica
CVE-2021-20236
zeromq: Stack overflow on server running PUB/XPUB socket
En la Trivy database desde, como mínimo, el 24 oct 2026, 07:11 UTCNo consta cuándo entró antes de ese build.
Severidad por fuente
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Julia9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
La etiqueta propia de Trivy es CRITICAL. Crítica según NVD, CBL-Mariner, Julia, Photon OS. Más baja según Red Hat (media), Ubuntu (media).
Descripción
A flaw was found in the ZeroMQ server in versions before 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Paquetes afectados y versiones corregidas
| Fuente | Paquete | Corregido en |
|---|---|---|
| CBL-Mariner 1.0 | zeromq | 0:4.3.4-1.cm1 |
| julia::Julia Ecosystem Security Advisories | ZeroMQ_jll | 4.3.4+0 |
| Photon OS 1.0 | zeromq | 4.3.4-1.ph1 |
| Photon OS 2.0 | zeromq | 4.3.4-1.ph2 |
| Photon OS 3.0 | zeromq | 4.3.4-1.ph3 |
| conan::GitLab Advisory Database Community | zeromq | 4.3.3 |
| debian 10 | zeromq3 | sin corrección indicada |
| debian 11 | zeromq3 | 4.3.3-1 |
| debian 12 | zeromq3 | 4.3.3-1 |
| debian 13 | zeromq3 | 4.3.3-1 |
| debian 14 | zeromq3 | 4.3.3-1 |
| debian 9 | zeromq3 | sin corrección indicada |
Mostrar las 16 entradas de 16 fuentes
| Fuente | Paquete | Corregido en |
|---|---|---|
| CBL-Mariner 1.0 | zeromq | 0:4.3.4-1.cm1 |
| julia::Julia Ecosystem Security Advisories | ZeroMQ_jll | 4.3.4+0 |
| Photon OS 1.0 | zeromq | 4.3.4-1.ph1 |
| Photon OS 2.0 | zeromq | 4.3.4-1.ph2 |
| Photon OS 3.0 | zeromq | 4.3.4-1.ph3 |
| conan::GitLab Advisory Database Community | zeromq | 4.3.3 |
| debian 10 | zeromq3 | sin corrección indicada |
| debian 11 | zeromq3 | 4.3.3-1 |
| debian 12 | zeromq3 | 4.3.3-1 |
| debian 13 | zeromq3 | 4.3.3-1 |
| debian 14 | zeromq3 | 4.3.3-1 |
| debian 9 | zeromq3 | sin corrección indicada |
| echo | zeromq3 | 4.3.3-1 |
| Red Hat | zeromq3 | sin corrección indicada |
| ubuntu 18.04-ESM | zeromq3 | sin corrección indicada |
| ubuntu 20.04-ESM | zeromq3 | sin corrección indicada |