Vulnerability · Published Sep 18, 2026 · Assigned by redhat-cnalr
CVE-2026-75894Reachable assertion at ranap_handle_co_dt()
High 7.5
In plain English
A high-severity security flaw in osmo-iuh from Osmocom. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 75.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | osmo-iuh | no fix listed | DEBIAN-CVE-2026-75894 |
| Debian:13 | osmo-iuh | no fix listed | DEBIAN-CVE-2026-75894 |
| Debian:14 | osmo-iuh | 1.8.1+dfsg1-2 | DEBIAN-CVE-2026-75894 |
| Ubuntu:22.04:LTS | osmo-iuh | no fix listed | UBUNTU-CVE-2026-75894 |
| Ubuntu:24.04:LTS | osmo-iuh | no fix listed | UBUNTU-CVE-2026-75894 |
| Ubuntu:26.04:LTS | osmo-iuh | no fix listed | UBUNTU-CVE-2026-75894 |
| Ubuntu:26.10 | osmo-iuh | no fix listed | UBUNTU-CVE-2026-75894 |
Affected products (as reported)
Weakness: CWE-617 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H