CVE-2026-21903

Опубликовано: 15 янв. 2026

Источник: nvd

CVSS3: 6.5

EPSS Низкий

Описание

Subscribing to telemetry sensors at scale causes all FPC connections to drop, resulting in an FPC crash and restart. The issue was not seen when YANG packages for the specific sensors were installed.

This issue affects Junos OS:

all versions before 22.4R3-S7,
23.2 version before 23.2R2-S4,
23.4 versions before 23.4R2.

Ссылки

https://kb.juniper.net/JSA106022
Vendor Advisory
https://supportportal.juniper.net/JSA106022
Vendor Advisory

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*

Версия до 22.4 (исключая)

cpe:2.3:o:juniper:junos:22.4:-:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:22.4:r1:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:22.4:r1-s1:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:22.4:r1-s2:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:22.4:r2:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:22.4:r2-s1:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:22.4:r2-s2:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:22.4:r3:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:22.4:r3-s1:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:22.4:r3-s2:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:22.4:r3-s3:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:22.4:r3-s4:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:22.4:r3-s5:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:22.4:r3-s6:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:23.2:-:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:23.2:r1:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:23.2:r1-s1:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:23.2:r1-s2:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:23.2:r2:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:23.2:r2-s1:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:23.2:r2-s2:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:23.2:r2-s3:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:23.4:-:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:23.4:r1:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:23.4:r1-s1:*:*:*:*:*:*

cpe:2.3:o:juniper:junos:23.4:r1-s2:*:*:*:*:*:*

EPSS

Процентиль: 12%

0.00041

Низкий

6.5 Medium

CVSS3

Дефекты

CWE-121

Связанные уязвимости

GHSA-h3c8-3472-7v7g

CVSS3: 6.5

github

23 дня назад

A Stack-based Buffer Overflow vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS allows a network-based attacker, authenticated with low privileges to cause a Denial-of-Service (DoS). Subscribing to telemetry sensors at scale causes all FPC connections to drop, resulting in an FPC crash and restart. The issue was not seen when YANG packages for the specific sensors were installed. This issue affects Junos OS: * all versions before 22.4R3-S7, * 23.2 version before 23.2R2-S4, * 23.4 versions before 23.4R2.

EPSS

Процентиль: 12%

0.00041

Низкий

6.5 Medium

CVSS3

Дефекты

CWE-121