Vulnerability · Published Oct 26, 2026 · Assigned by mitre
CVE-2026-104593
High 7.5
In plain English
A high-severity stack buffer overflow in the osmo-msc 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
osmo-msc through 1.15.0 contains a stack-based buffer overflow in decode_mme_name() in src/libmsc/sgs_iface.c. This allows a remote attacker to cause a denial of service.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | osmo-msc | no fix listed | DEBIAN-CVE-2026-104593 |
| Debian:13 | osmo-msc | no fix listed | DEBIAN-CVE-2026-104593 |
| Debian:14 | osmo-msc | 1.16.0+dfsg1-2 | DEBIAN-CVE-2026-104593 |
| Ubuntu:22.04:LTS | osmo-msc | no fix listed | UBUNTU-CVE-2026-104593 |
| Ubuntu:24.04:LTS | osmo-msc | no fix listed | UBUNTU-CVE-2026-104593 |
| Ubuntu:26.04:LTS | osmo-msc | no fix listed | UBUNTU-CVE-2026-104593 |
| Ubuntu:26.10 | osmo-msc | no fix listed | UBUNTU-CVE-2026-104593 |
Affected products (as reported)
Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H