CVE-2023-26496

Name: CVE-2023-26496
Creator: NVD / NIST
Published: 2023-03-23T02:15:12.657+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 24.08%

Last modified Jun 17, 2026

CVE-2023-26496 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in Samsung Baseband Modem Chipset for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, and Exynos Auto T5124. Memory corruption can occur due to improper checking of the parameter length while parsing the fmtp attribute in the SDP (Session Description Protocol) module.. EPSS estimates a 24.08% chance of exploitation in the next 30 days.

Description

An issue was discovered in Samsung Baseband Modem Chipset for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, and Exynos Auto T5124. Memory corruption can occur due to improper checking of the parameter length while parsing the fmtp attribute in the SDP (Session Description Protocol) module.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

24.08%

97.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Samsung	Exynos Modem 5300 Firmware	All versions
Samsung	Exynos Modem 5123 Firmware	All versions
Samsung	Exynos 980 Firmware	All versions
Samsung	Exynos 1080 Firmware	All versions
Samsung	Exynos Auto T5123 Firmware	All versions

References

Timeline

Published: Mar 23, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-26496?

How severe is CVE-2023-26496?

CVE-2023-26496 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 24.08% probability of exploitation in the next 30 days.

How do I fix CVE-2023-26496?

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-2023-26496?

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

Scan your code now

Source: NVD / NIST