Open5GS 2.8.0 Rx AA-Request src/pcrf/pcrf-rx-path.c pcrf_rx_aar_cb out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k2.61

Summaryinfo

A vulnerability was found in Open5GS 2.8.0. It has been declared as critical. This vulnerability affects the function pcrf_rx_aar_cb of the file src/pcrf/pcrf-rx-path.c of the component Rx AA-Request Handler. Executing a manipulation can lead to out-of-bounds. This vulnerability is registered as CVE-2026-78157. It is possible to launch the attack remotely. Furthermore, an exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Open5GS 2.8.0. It has been declared as critical. This vulnerability affects the function pcrf_rx_aar_cb of the file src/pcrf/pcrf-rx-path.c of the component Rx AA-Request Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-78157. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a exploit are known.

It is declared as proof-of-concept.

Applying the patch c18dc6938bf63cc7374315d3dca303d92066e746 is able to eliminate this problem. The bugfix is ready for download at github.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.4
VulDB Temp Score: 6.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: c18dc6938bf63cc7374315d3dca303d92066e746

Timelineinfo

08/23/2026 Advisory disclosed
08/23/2026 +0 days VulDB entry created
08/23/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 4663
Status: Confirmed

CVE: CVE-2026-78157 (🔒)
GCVE (CVE): GCVE-0-2026-78157
GCVE (VulDB): GCVE-100-394540
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/23/2026 13:39
Changes: 08/23/2026 13:39 (57)
Complete: 🔍
Submitter: WeiYi
Cache ID: 216::103

Submitinfo

Accepted

Once again VulDB remains the best source for vulnerability data.

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