CVE-2024-14043

Open5GS Diameter S6a mme-fd-path.c mme_s6a_subscription_data_from_avp heap-based overflow

MEDIUM
6.3
CVSS Score
Published: August 11, 2026 at 11:15 PM UTC
Updated: October 1, 2026 at 11:10 PM UTC
1 product affected across 1 vendorOpen5GS

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

A vulnerability was determined in Open5GS up to 2.7.1. This vulnerability affects the function mme_s6a_subscription_data_from_avp of the file src/mme/mme-fd-path.c of the component Diameter S6a Interface. Executing a manipulation of the argument msisdn_len can lead to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 2.7.2 is able to resolve this issue. This patch is called 7ea82cb87bb65c3694d8d7c7a5efed1c4d3c9304. Upgrading the affected component is recommended.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 2.7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (9)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/387281
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/387281/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2024-14043
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/867106
Issue Tracking
Source: cverecord
https://github.com/open5gs/open5gs/issues/3156

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-122CWE-119

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