Double Free in Juniper Junos
CVE-2024-39564
This is a similar, but different vulnerability than the issue reported as CVE-2024-39549. A double-free vulnerability in the routing process daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker to send a malformed BGP Path attribute update which allocates memory used to log the bad path attribute. This double free of memory is causing an rpd crash, leading to a Denial of Service (DoS). This issue affects: Junos OS: * from 22.4 before 22.4R3-S4. Junos OS Evolved: * from 22.4 before 22.4R3-S4-EVO.
Vulnerability class: Double Free
EPSS: 0.004 (33.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Juniper Junos — versions 21.2, 21.4, 22.2
- Juniper Junos_os_evolved — versions 21.2, 21.4, 22.2
- Juniper Networks Junos Os — versions 22.4
- Juniper Networks Junos Os Evolved — versions 22.4
Weakness classification (CWE)
References
- sirt@juniper.net (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2024-39564?
- CVE-2024-39564 is a high-severity vulnerability in Juniper Junos, classified under Double Free. CVSS score: 7.5/10. Published 2025-02-05.
- How severe is CVE-2024-39564?
- High severity. CVSS v3 base score is 7.5 out of 10.