Vulnerability · Published Oct 26, 2026 · Assigned by mitre
CVE-2026-104596
High 7.5
In plain English
A high-severity information exposure 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 0.4% (higher than 33% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 66.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
libosmocore through 1.14.1 contains out-of-bounds reads in the GSM 04.80 supplementary-service component parsers in src/gsm/gsm0480.c. This allows a remote attacker to obtain sensitive information.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libosmocore | no fix listed | DEBIAN-CVE-2026-104596 |
| Debian:13 | libosmocore | no fix listed | DEBIAN-CVE-2026-104596 |
| Debian:14 | libosmocore | 1.14.2-1 | DEBIAN-CVE-2026-104596 |
| Ubuntu:22.04:LTS | libosmocore | no fix listed | UBUNTU-CVE-2026-104596 |
| Ubuntu:24.04:LTS | libosmocore | no fix listed | UBUNTU-CVE-2026-104596 |
| Ubuntu:26.04:LTS | libosmocore | no fix listed | UBUNTU-CVE-2026-104596 |
| Ubuntu:26.10 | libosmocore | no fix listed | UBUNTU-CVE-2026-104596 |
Affected products (as reported)
Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N