CVE-2023-21253

Name: CVE-2023-21253
Creator: NVD / NIST
Published: 2023-10-06T19:15:12.777+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.14%

Last modified Jun 17, 2026

CVE-2023-21253 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In multiple locations, there is a possible way to crash multiple system services due to resource exhaustion. This could lead to local denial of service with no additional execution privileges needed. EPSS estimates a 0.14% chance of exploitation in the next 30 days.

Description

In multiple locations, there is a possible way to crash multiple system services due to resource exhaustion. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.14%

3.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Google	Android	11.0
Google	Android	12.0
Google	Android	12.1
Google	Android	13.0

References

https://android.googlesource.com/platform/frameworks/base/+/84df68840b6f2407146e722ebd95a7d8bc6e3529Mailing List, Patch
https://android.googlesource.com/platform/tools/apksig/+/039f815895f62c9f8af23df66622b66246f3f61eMailing List, Patch
https://android.googlesource.com/platform/tools/apksig/+/41d882324288085fd32ae0bb70dc85f5fd0e2be7Mailing List, Patch
https://source.android.com/security/bulletin/2023-10-01Patch, Vendor Advisory
https://android.googlesource.com/platform/frameworks/base/+/84df68840b6f2407146e722ebd95a7d8bc6e3529Mailing List, Patch
https://android.googlesource.com/platform/tools/apksig/+/039f815895f62c9f8af23df66622b66246f3f61eMailing List, Patch
https://android.googlesource.com/platform/tools/apksig/+/41d882324288085fd32ae0bb70dc85f5fd0e2be7Mailing List, Patch
https://source.android.com/security/bulletin/2023-10-01Patch, Vendor Advisory

Timeline

Published: Oct 6, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21253?

How severe is CVE-2023-21253?

CVE-2023-21253 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21253?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-21253?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST