CVE-2023-26498

What it is

An issue was discovered in Samsung Baseband Modem Chipset for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, Exynos Auto T5126. Memory corruption can occur due to improper checking of the number of properties while parsing the chatroom attribute in the SDP (Session Description Protocol) module.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of service disruption.

Exploit odds

21.4% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2023-03-23 01:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 05:43 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 21.4% in the next 30 days (EPSS).
• Severity: 8.6 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2023-03-23 01:15 UTC

Last modified

2026-06-17 05:43 UTC

Exploit probability

21.4% · EPSS, next 30 days

Weakness

CWE-787 · Out-of-bounds write

Record status

Modified

Affected

• Samsung Exynos Modem 5300 Firmware
• Samsung Exynos Modem 5123 Firmware
• Samsung Exynos 980 Firmware
• Samsung Exynos 1080 Firmware
• Samsung Exynos Auto t5123 Firmware

Attack profile CVSS 3.1 · 8.6

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

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