CVE-2024-14043: Heap-based Buffer Overflow in Open5GS
CVE-2024-14043 is a heap-based buffer overflow vulnerability in Open5GS versions 2.7.0 and 2.7.1. It affects the function mme_s6a_subscription_data_from_avp in the Diameter S6a Interface component. The vulnerability can be triggered remotely by manipulating the msisdn_len argument. Exploit code has been publicly disclosed. Upgrading to Open5GS version 2.7.2 resolves this issue.
AI Analysis
Technical Summary
This vulnerability exists in Open5GS up to version 2.7.1 within the mme_s6a_subscription_data_from_avp function of src/mme/mme-fd-path.c, part of the Diameter S6a Interface. Improper handling of the msisdn_len argument can lead to a heap-based buffer overflow, which can be exploited remotely. The vulnerability has a CVSS 4.0 score of 5.3 (medium severity). A patch fixing this issue was introduced in version 2.7.2, identified by commit 7ea82cb87bb65c3694d8d7c7a5efed1c4d3c9304.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to cause a heap-based buffer overflow remotely, potentially leading to application crashes or other undefined behavior. The CVSS score indicates a medium severity impact with network attack vector and no user interaction required. There is no confirmed evidence of exploitation in the wild at this time.
Mitigation Recommendations
Upgrade Open5GS to version 2.7.2 or later, which contains the official fix for this vulnerability. No other mitigations are specified. Patch status is confirmed by the vendor through the version upgrade.
CVE-2024-14043: Heap-based Buffer Overflow in Open5GS
Description
CVE-2024-14043 is a heap-based buffer overflow vulnerability in Open5GS versions 2.7.0 and 2.7.1. It affects the function mme_s6a_subscription_data_from_avp in the Diameter S6a Interface component. The vulnerability can be triggered remotely by manipulating the msisdn_len argument. Exploit code has been publicly disclosed. Upgrading to Open5GS version 2.7.2 resolves this issue.
CVSS v4.0
Score 5.3medium
Affected software
pkg:github/open5gs/open5gscpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability exists in Open5GS up to version 2.7.1 within the mme_s6a_subscription_data_from_avp function of src/mme/mme-fd-path.c, part of the Diameter S6a Interface. Improper handling of the msisdn_len argument can lead to a heap-based buffer overflow, which can be exploited remotely. The vulnerability has a CVSS 4.0 score of 5.3 (medium severity). A patch fixing this issue was introduced in version 2.7.2, identified by commit 7ea82cb87bb65c3694d8d7c7a5efed1c4d3c9304.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to cause a heap-based buffer overflow remotely, potentially leading to application crashes or other undefined behavior. The CVSS score indicates a medium severity impact with network attack vector and no user interaction required. There is no confirmed evidence of exploitation in the wild at this time.
Mitigation Recommendations
Upgrade Open5GS to version 2.7.2 or later, which contains the official fix for this vulnerability. No other mitigations are specified. Patch status is confirmed by the vendor through the version upgrade.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-09T17:46:19.916Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7bafb6bf8831d539925274
Added to database: 08/11/2026, 23:26:46 UTC
Last enriched: 08/11/2026, 23:43:24 UTC
Last updated: 08/12/2026, 02:20:41 UTC
Views: 8
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