SARA / Free Tools / CVE / CVE-2024-39549

CVE-2024-39549 — A Missing Release of Memory after Effective Lifetime vulnerability in the routin

A Missing Release of Memory after Effective Lifetime 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. Thi

CVSS
8.7 HIGH
EPSS
29.00% (top 47.50%)
CWE
CWE-401
Published
2024-07-11T16:27:19.238Z
Last modified
2025-02-26T18:16:27.497Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

01What is this vulnerability?

A Missing Release of Memory after Effective Lifetime 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 memory is not properly freed in all circumstances, leading to a Denial of Service (DoS).

02Affected products

VendorProductVersions
Juniper NetworksJunos OS0, 21.4, 22.2, 22.3, 22.4, 23.2, 23.4
Juniper NetworksJunos OS Evolved0, 21.4, 22.2, 22.3, 22.4, 23.2, 23.4

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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