Description
An Unchecked Return Value vulnerability in the DNS module of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS). If an SRX Series device configured for DNS processing, receives a specifically formatted DNS request flowd will crash and restart, which causes a service interruption until the process has recovered. This issue affects Junos OS on SRX Series: * 23.4 versions before 23.4R2-S5, * 24.2 versions before 24.2R2-S1, * 24.4 versions before 24.4R2. This issue does not affect Junos OS versions before 23.4R1.
Related CPE's
o
juniper
junos
References
https://kb.juniper.net/JSA106020
https://supportportal.juniper.net/JSA106020
CVSS impact metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 · High
Information
Source identifier
Vulnerability status
Analyzed
Published
2026-01-15T21:16:08.217Z
1 month agoLast modified
2026-01-23T18:51:59.987Z
3 weeks ago