Samsung Exynos DPU driver out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.53

Summaryinfo

A vulnerability marked as problematic has been reported in Samsung Exynos. The affected element is an unknown function of the component DPU driver. Performing a manipulation results in out-of-bounds write. This vulnerability is known as CVE-2026-23791. Attacking locally is a requirement. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Samsung Exynos (the affected version is unknown). This affects an unknown code of the component DPU driver. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on integrity, and availability. The summary by CVE is:

An issue was discovered in DPU in Samsung Mobile Processor Exynos 1280, 2200, 1380, 1480, 2400, 1580, 2500, 1680, and 2600. An out-of-bounds write vulnerability in the Exynos DPU driver (due to missing input length validation in color mode LUT parsing) leads to kernel memory corruption and potential privilege escalation.

The advisory is shared at semiconductor.samsung.com. This vulnerability is uniquely identified as CVE-2026-23791 since 01/16/2026. The exploitability is told to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.4
VulDB Temp Score: 4.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.2
CNA Vector (MITRE): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/16/2026 CVE reserved
09/14/2026 +240 days Advisory disclosed
09/14/2026 +0 days VulDB entry created
09/14/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: samsung.com

Advisory: semiconductor.samsung.com
Status: Not defined

CVE: CVE-2026-23791 (🔒)
GCVE (CVE): GCVE-0-2026-23791
GCVE (VulDB): GCVE-100-403365

Entryinfo

Created: 09/14/2026 03:39
Changes: 09/14/2026 03:39 (60)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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