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 products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Osmocom | osmo-iuh | 0.1.0 – < 1.8.0 | 1.8.0 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | osmo-iuh | 1.8.1+dfsg1-2 | — |
| Debian 13 | osmo-iuh | No fix yet | — |
| Debian 12 | osmo-iuh | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | osmo-iuh | No fix yet | — |
| Ubuntu 26.04 LTS | osmo-iuh | No fix yet | — |
| Ubuntu 24.04 LTS | osmo-iuh | No fix yet | — |
| Ubuntu 22.04 LTS | osmo-iuh | No fix yet | — |
| Ubuntu 20.04 LTS | osmo-iuh | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | osmo-iuh | 1.5.1-bp160.2.1 | openSUSE-SU-2026:21954-1 |
Advisories 1
- openSUSE-SU-2026:21954-1 Security update for osmo-iuh SUSE / openSUSE Security Updates · Sep 25, 2026