CVE-2023-2794

Name: CVE-2023-2794
Creator: NVD / NIST
Published: 2024-04-10T11:15:48.28+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 1.24%

Last modified Jun 17, 2026

CVE-2023-2794 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. A flaw was found in ofono, an Open Source Telephony on Linux. A stack overflow bug is triggered within the decode_deliver() function during the SMS decoding. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

Description

A flaw was found in ofono, an Open Source Telephony on Linux. A stack overflow bug is triggered within the decode_deliver() function during the SMS decoding. It is assumed that the attack scenario is accessible from a compromised modem, a malicious base station, or just SMS. There is a bound check for this memcpy length in decode_submit(), but it was forgotten in decode_deliver().

Metrics

CVSS 3.1

8.1/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.24%

65.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Ofono Project	Ofono	< 2.5
Fedoraproject	Fedora	39
Fedoraproject	Fedora	40

References

https://bugzilla.redhat.com/show_bug.cgi?id=2255387Exploit, Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2255387Exploit, Issue Tracking, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RLAWJAAS3HDI2KMCZXF4DMR3Y4BQNMKO/

Timeline

Published: Apr 10, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-2794?

How severe is CVE-2023-2794?

CVE-2023-2794 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.

How do I fix CVE-2023-2794?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-2794?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST