CVE-2023-4233: Fedoraproject Fedora

High severity, CVSS 8.1. EPSS: 1% chance of exploitation in the next 30 days.

A flaw was found in ofono, an Open Source Telephony on Linux. A stack overflow bug is triggered within the sms_decode_address_field() function during the SMS PDU decoding. It is assumed that the attack scenario is accessible from a compromised modem, a malicious base station, or just SMS.

Affected products

• Fedoraproject Fedora: version 38 only; version 39 only; version 40 only
• Ofono Project Ofono: before 2.1 (fixed in 2.1)

Published 2024-04-17. Last modified 2026-06-17.