CVE-2026-75894— Reachable assertion at ranap_handle_co_dt()
Quick assessment
Affected
Osmocom osmo-iuh
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
In osmo-iuh from 0.1.0 through 1.8.0 a reachable assertion was found in the ranap_handle_co_dt() function via a arbitrarily sized NAS-PDU that leads to process crash and remote denial of service.
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-75894
Vulnerability Information
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Vulnerability Title
Reachable assertion at ranap_handle_co_dt()
Source: CVE Program / CVE List V5
Vulnerability Description
In osmo-iuh from 0.1.0 through 1.8.0 a reachable assertion was found in the ranap_handle_co_dt() function via a arbitrarily sized NAS-PDU that leads to process crash and remote denial of service.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
可达断言
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-75894
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2026-75894 (1)
Same Patch Batch · Osmocom · 2026-09-18 · 4 CVEs total
| CVE-2026-75892 | Out of bounds write in PDP ctx GSN-Address decode | |
| CVE-2026-75893 | Heap based buffer overflow at ipaccess_proxy_read_msg() | |
| CVE-2026-75895 | Out of bounds read at smpp34_unpack() |
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V. Comments for CVE-2026-75894
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