---
id: CVE-2026-104598
title: >-
  libosmo-sigtran through 2.2.1 contains an out-of-bounds read in the M3UA
  NOTIFY decoder in src/m3ua.c
summary: >-
  libosmo-sigtran through 2.2.1 contains an out-of-bounds read in the M3UA
  NOTIFY decoder in src/m3ua.c. This allows a remote attacker to obtain
  sensitive information.
severity: none
published: '2026-10-26'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T19:27:08.390Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-104598'
references:
  - url: 'https://osmocom.org/issues/7056'
  - url: >-
      https://github.com/osmocom/libosmo-sigtran/commit/b554131f2cbb20ca9a9cf51ca17d73f644eff1f8
tags:
  - cve.org
ingestedAt: '2026-10-26T19:38:01.118Z'
epss: 0.00234
epssPercentile: 0.1426
---

## Overview

libosmo-sigtran through 2.2.1 contains an out-of-bounds read in the M3UA NOTIFY decoder in src/m3ua.c. This allows a remote attacker to obtain sensitive information.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.