CVE-2024-20876

Memory corruption in libsheifdecadapter.so

Published Jun 4, 2024 · Updated Aug 1, 2024

Improper input validation in Samsung Mobile Devices on Android 12, 13, and 14 allows local users to corrupt memory in libsheifdecadapter.so. Samsung identifies the affected shared library but does not disclose which input is mishandled or which validation operation is missing. Low-privileged local access is required; Samsung reports memory corruption but does not state whether it causes a crash or code execution.

CVSS severity6.1
Medium
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Samsung Mobile Devices on Android 12, 13, and 14 allows local users to corrupt memory in libsheifdecadapter.so. Samsung identifies the affected shared library but does not disclose which input is mishandled or which validation operation is missing. Low-privileged local access is required; Samsung reports memory corruption but does not state whether it causes a crash or code execution.

The record

CVE
CVE-2024-20876
Published
Jun 4, 2024
Updated
Aug 1, 2024
Vendor
Samsung Electronics
Product
Android
Classifications
CWE-20
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 4, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Samsung Electronics · AndroidAffected versions are unavailable in this record.
Samsung Electronics Co., Ltd. · Samsung Mobile DevicesAffected versions are unavailable in this record.

Published CVSS scores

7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.1Samsung MobileCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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