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VulnerabilityPublished Updated

CVE-2026-75894: Osmocom osmo-iuh · Reachable Assertion

Affects Osmocom osmo-iuhSource CVE Database V5

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Not known to be exploited · CVSS 7.5 High : upgrade to 1.8.0 soon.

Data as of 2 Nov 2026, 10:58 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 24% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.8.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2 Nov 2026.

What to do

Upgrade Osmocom osmo-iuh to 1.8.0.

Affected software

ProductAffectedFixed in
Osmocomosmo-iuhAffected
  • >=0.1.0 <1.8.0
Fixed in
  • 1.8.0

AI-suggested

If you cannot patch yet, consider implementing network-level protections to limit exposure of the osmo-iuh service to untrusted sources.

Description

CVE-2026-75894 is a high-severity vulnerability in Osmocom's osmo-iuh component affecting versions from 0.1.0 up to but not including 1.8.0, and from 1.10.0 up to but not including 1.14.5. The issue is a reachable assertion failure in the ranap_handle_co_dt() function triggered by an arbitrarily sized NAS-PDU, which can cause the process to crash and result in a remote denial of service.

References

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