CVE-2021-25456

Name: CVE-2021-25456
Creator: NVD / NIST
Published: 2021-09-09T19:15:10.497+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2021-25456 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. OOB read vulnerability in libswmfextractor.so library prior to SMR Sep-2021 Release 1 allows attackers to execute memcpy at arbitrary address via forged wmf file.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

OOB read vulnerability in libswmfextractor.so library prior to SMR Sep-2021 Release 1 allows attackers to execute memcpy at arbitrary address via forged wmf file.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.24%

15.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Google	Android	8.1
Google	Android	9.0
Google	Android	10.0
Google	Android	11.0

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=9Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=9Vendor Advisory

Timeline

Published: Sep 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-25456?

OOB read vulnerability in libswmfextractor.so library prior to SMR Sep-2021 Release 1 allows attackers to execute memcpy at arbitrary address via forged wmf file.

How severe is CVE-2021-25456?

CVE-2021-25456 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2021-25456?

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-2021-25456?

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

Scan your code now

Source: NVD / NIST