What is the severity of CVE-2023-21100?

CVE-2023-21100 is classified as high severity due to its potential for local privilege escalation.

How do I fix CVE-2023-21100?

To fix CVE-2023-21100, ensure that your Android device is updated to the latest security patches provided by Google.

What systems are affected by CVE-2023-21100?

CVE-2023-21100 affects Android versions 12.0, 12.1, and 13.0.

Can CVE-2023-21100 be exploited remotely?

No, exploitation of CVE-2023-21100 requires local access to the system.

What type of vulnerability is CVE-2023-21100?

CVE-2023-21100 is a heap buffer overflow vulnerability that can lead to out-of-bounds writes.

Vulnerability/
CVE-2023-21100

high

7.8

CWE

787 119

3/4/2023

19/4/2023

5/2/2025

CVE-2023-21100: Buffer Overflow

First published: Mon Apr 03 2023(Updated: )

In inflate of inflate.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-242544249

Credit: security@android.com

Affected Software	Affected Version	How to fix
Android
Android	=12.0
Android	=12.1
Android	=13.0

Remedy

https://source.android.com/security/bulletin/2023-04-01

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2023-21100?
CVE-2023-21100 is classified as high severity due to its potential for local privilege escalation.
How do I fix CVE-2023-21100?
To fix CVE-2023-21100, ensure that your Android device is updated to the latest security patches provided by Google.
What systems are affected by CVE-2023-21100?
CVE-2023-21100 affects Android versions 12.0, 12.1, and 13.0.
Can CVE-2023-21100 be exploited remotely?
No, exploitation of CVE-2023-21100 requires local access to the system.
What type of vulnerability is CVE-2023-21100?
CVE-2023-21100 is a heap buffer overflow vulnerability that can lead to out-of-bounds writes.

agent/type
agent/first-publish-date
agent/author
agent/weakness
agent/severity
agent/remedy
agent/references
agent/description
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/softwarecombine
agent/source
agent/tags
agent/event
collector/android-source
source/Android
agent/software-canonical-lookup
agent/software-canonical-lookup-request
collector/nvd-api
source/NVD
collector/nvd-index
vendor/google
canonical/android
version/android/12.0
version/android/12.1
version/android/13.0

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Frequently Asked Questions

What is the severity of CVE-2023-21100?
CVE-2023-21100 is classified as high severity due to its potential for local privilege escalation.
How do I fix CVE-2023-21100?
To fix CVE-2023-21100, ensure that your Android device is updated to the latest security patches provided by Google.
What systems are affected by CVE-2023-21100?
CVE-2023-21100 affects Android versions 12.0, 12.1, and 13.0.
Can CVE-2023-21100 be exploited remotely?
No, exploitation of CVE-2023-21100 requires local access to the system.
What type of vulnerability is CVE-2023-21100?
CVE-2023-21100 is a heap buffer overflow vulnerability that can lead to out-of-bounds writes.