Heap based buffer overflow at ipaccess_proxy_read_msg()
Summary
| CVE | CVE-2026-75893 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat-cnalr |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-09-18 19:16:45 UTC |
| Updated | 2026-09-21 19:17:09 UTC |
| Description | In osmo-bsc from 1.0.1 through 1.14.1 a heap based buffer overflow issue was found in the ipaccess_proxy_read_msg() function via IPA frame lengths. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.002670000 probability, percentile 0.190670000 (date 2026-09-22)
Problem Types: CWE-122 | CWE-122 CWE-122 Heap-based buffer overflow
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | ADP | DECLARED | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| cgit.osmocom.org/osmo-bsc/commit | 74b3a70d-cca6-4d34-9789-e83b222ae3be | cgit.osmocom.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Nikolas Null "n0k0" - Security Researcher at mnemonic (en)
There are currently no legacy QID mappings associated with this CVE.