CVE-2026-23788
Received Received - Intake

Heap Overflow in Samsung Exynos Mobile Processor DRM Driver

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: MITRE

Description
An issue was discovered in DPU in Samsung Mobile Processor Exynos 1280, 2200, and 1380. A heap overflow in the Exynos DRM HDR driver (due to improper buffer size validation) leads to kernel memory corruption and a system crash.

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Meta Information

Published
2026-09-14
Last Modified
2026-09-14
Generated
2026-09-14
AI Q&A
2026-09-14
EPSS Evaluated
N/A
NVD
CVE-2026-23788
EUVD
EUVD-2026-77152

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
samsung exynos_1280 *
samsung exynos_2200 *
samsung exynos_1380 *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Attack-Flow Graph

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Executive Summary

CVE-2026-23788 is a heap overflow vulnerability in Samsung's Exynos DRM HDR driver. It occurs due to improper buffer size validation, leading to kernel memory corruption and potential system crashes.

Impact Analysis

This vulnerability may cause system instability, crashes, or disruptions in devices using affected Exynos processors (1280, 2200, 1380). It could lead to temporary loss of functionality until patched.

Compliance Impact

This vulnerability does not directly impact compliance with GDPR or HIPAA as it primarily causes system crashes and memory corruption without evidence of data exposure or privacy violations. However, system instability could indirectly affect availability requirements in regulated environments.

Mitigation Strategies

Apply the latest security patches from Samsung for Exynos 1280, 2200, and 1380 processors to fix the heap overflow in the DRM HDR driver.

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