osmo-msc through 1.15.0 contains a stack-based buffer overflow in decode_mme_name() in src/libmsc/sgs_iface.c.

published 2026-10-26 15d ago modified 2026-11-02 7d ago also EUVD-2026-110099

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits: 0; none known

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.

Patch / fix

distros 1 links 1

osmo-msc Debian 14 1.16.0+dfsg1-2

debian advisories DEBIAN-CVE-2026-104593

github.com/osmocom/osmo-msc@cd347bb commit

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CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 7d ago (2026-11-02)

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness

CWE-121 Stack-based Buffer Overflow

References

Sources

CVE List CVE-2026-104593
NVD CVE-2026-104593

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