CVE-2026-78157: Out-of-Bounds Read in Open5GS
CVE-2026-78157 is a medium severity vulnerability in Open5GS version 2.8.0 involving an out-of-bounds read in the pcrf_rx_aar_cb function of the Rx AA-Request Handler component. The vulnerability can be triggered remotely and may lead to unintended memory access. A patch identified by commit c18dc6938bf63cc7374315d3dca303d92066e746 is recommended to fix this issue.
AI Analysis
Technical Summary
This vulnerability affects Open5GS 2.8.0 specifically in the pcrf_rx_aar_cb function within the src/pcrf/pcrf-rx-path.c file. It allows a remote attacker to cause an out-of-bounds read due to improper handling of input data. The issue is located in the Rx AA-Request Handler component. The vulnerability has a CVSS 4.0 base score of 5.3, indicating medium severity. A patch has been created (commit c18dc6938bf63cc7374315d3dca303d92066e746) to address this flaw.
Potential Impact
The vulnerability enables a remote attacker to perform an out-of-bounds read, which may lead to information disclosure or application instability. The CVSS score of 5.3 reflects a medium impact with network attack vector, low complexity, and no user interaction required. There are no known exploits in the wild at this time.
Mitigation Recommendations
A patch is available to fix this vulnerability, identified by commit c18dc6938bf63cc7374315d3dca303d92066e746. It is recommended to apply this patch to Open5GS version 2.8.0 to remediate the issue. Since the vendor advisory or official fix details are not provided, verify patch availability and installation instructions from the Open5GS project repository or maintainers.
CVE-2026-78157: Out-of-Bounds Read in Open5GS
Description
CVE-2026-78157 is a medium severity vulnerability in Open5GS version 2.8.0 involving an out-of-bounds read in the pcrf_rx_aar_cb function of the Rx AA-Request Handler component. The vulnerability can be triggered remotely and may lead to unintended memory access. A patch identified by commit c18dc6938bf63cc7374315d3dca303d92066e746 is recommended to fix this issue.
CVSS v4.0
Score 5.3medium
Affected software
cpe: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 affects Open5GS 2.8.0 specifically in the pcrf_rx_aar_cb function within the src/pcrf/pcrf-rx-path.c file. It allows a remote attacker to cause an out-of-bounds read due to improper handling of input data. The issue is located in the Rx AA-Request Handler component. The vulnerability has a CVSS 4.0 base score of 5.3, indicating medium severity. A patch has been created (commit c18dc6938bf63cc7374315d3dca303d92066e746) to address this flaw.
Potential Impact
The vulnerability enables a remote attacker to perform an out-of-bounds read, which may lead to information disclosure or application instability. The CVSS score of 5.3 reflects a medium impact with network attack vector, low complexity, and no user interaction required. There are no known exploits in the wild at this time.
Mitigation Recommendations
A patch is available to fix this vulnerability, identified by commit c18dc6938bf63cc7374315d3dca303d92066e746. It is recommended to apply this patch to Open5GS version 2.8.0 to remediate the issue. Since the vendor advisory or official fix details are not provided, verify patch availability and installation instructions from the Open5GS project repository or maintainers.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-23T11:34:36.749Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8b8ed4acd9273b4991ed8a
Added to database: 08/24/2026, 00:22:44 UTC
Last enriched: 08/24/2026, 00:37:08 UTC
Last updated: 08/24/2026, 00:37:08 UTC
Views: 5
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