CVE-2026-108102
Open5GS through 2.8.0 Heap Out-of-Bounds Read via PFCP Volume Measurement IE
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 9, 2026
- Updated
- Oct 9, 2026
- Reserved
- Oct 9, 2026
Description
Open5GS through 2.8.0 contains a heap out-of-bounds read vulnerability in ogs_pfcp_parse_volume_measurement() in lib/pfcp/types.c that allows remote unauthenticated attackers to read past IE buffers. Attackers can send a PFCP Session Report Request to the SMF on UDP port 8805 with a short, all-flags Volume Measurement IE, reading up to 48 bytes and potentially crashing the SMF.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | VulnCheck |
Weaknesses
- CWE-125 Out-of-bounds Read
Affected Products
| Product | Versions |
|---|---|
open5gsopen5gs |
|
References
- Patch Commitpatch
- https://github.com/open5gs/open5gsproduct
- GitHub Security Advisory (GHSA-37c3-hv4f-688p)vendor-advisory
- https://github.com/open5gs/open5gs/blob/v2.8.0/lib/pfcp/types.c#L581-L635technical-description
- VulnCheck Advisory: Open5GS through 2.8.0 Heap Out-of-Bounds Read via PFCP Volume Measurement IEthird-party-advisory
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