Vulnerability · Published Oct 26, 2026 · Assigned by mitre
CVE-2026-104591
High 7.5
In plain English
A high-severity uncontrolled resource consumption in the libosmocore package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 39% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 60.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
libosmocore through 1.14.1 contains a buffer overflow in osmo_iuup_compute_payload_crc() in src/gsm/iuup.c. This allows a remote attacker to cause a denial of service.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libosmocore | no fix listed | DEBIAN-CVE-2026-104591 |
| Debian:13 | libosmocore | no fix listed | DEBIAN-CVE-2026-104591 |
| Debian:14 | libosmocore | 1.14.2-1 | DEBIAN-CVE-2026-104591 |
| Ubuntu:22.04:LTS | libosmocore | no fix listed | UBUNTU-CVE-2026-104591 |
| Ubuntu:24.04:LTS | libosmocore | no fix listed | UBUNTU-CVE-2026-104591 |
| Ubuntu:26.04:LTS | libosmocore | no fix listed | UBUNTU-CVE-2026-104591 |
| Ubuntu:26.10 | libosmocore | no fix listed | UBUNTU-CVE-2026-104591 |
Affected products (as reported)
Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H