A Double Free vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on SRX Series allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS).
In a remote access VPN scenario, if a "tcp-encap-profile" is configured and a sequence of specific packets is received, a flowd crash and restart will be observed.
This issue affects Juniper Networks Junos OS on SRX Series:
* All versions earlier than 20.4R3-S8;
* 21.2 versions earlier than 21.2R3-S6;
* 21.3 versions earlier than 21.3R3-S5;
* 21.4 versions earlier than 21.4R3-S5;
* 22.1 versions earlier than 22.1R3-S3;
* 22.2 versions earlier than 22.2R3-S3;
* 22.3 versions earlier than 22.3R3-S1;
* 22.4 versions earlier than 22.4R2-S2, 22.4R3.
Metrics
Affected Vendors & Products
References
History
Tue, 17 Jun 2025 21:15:00 +0000
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Status: PUBLISHED
Assigner: juniper
Published: 2024-01-12T00:54:51.832Z
Updated: 2025-06-17T21:09:19.784Z
Reserved: 2023-12-27T19:38:25.707Z
Link: CVE-2024-21606

Updated: 2025-06-17T21:07:44.962Z

Status : Modified
Published: 2024-01-12T01:15:48.873
Modified: 2024-11-21T08:54:42.453
Link: CVE-2024-21606

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