CVE-2012-4409

Name: CVE-2012-4409
Creator: NVD / NIST
Published: 2012-11-21T23:55:01.757+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 15.02%

Last modified Jun 16, 2026

CVE-2012-4409 is a vulnerability of currently unknown severity. Stack-based buffer overflow in the check_file_head function in extra.c in mcrypt 2.6.8 and earlier allows user-assisted remote attackers to execute arbitrary code via an encrypted file with a crafted header containing long salt data that is not properly handled during decryption.. EPSS estimates a 15.02% chance of exploitation in the next 30 days.

Description

Stack-based buffer overflow in the check_file_head function in extra.c in mcrypt 2.6.8 and earlier allows user-assisted remote attackers to execute arbitrary code via an encrypted file with a crafted header containing long salt data that is not properly handled during decryption.

Metrics

EPSS Probability

15.02%

96.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Mcrypt	Mcrypt	<= 2.6.8
Mcrypt	Mcrypt	2.6.4
Mcrypt	Mcrypt	2.6.5
Mcrypt	Mcrypt	2.6.6
Mcrypt	Mcrypt	2.6.7

References

Timeline

Published: Nov 21, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-4409?

How severe is CVE-2012-4409?

Severity scoring for CVE-2012-4409 is pending analysis. The EPSS model estimates a 15.02% probability of exploitation in the next 30 days.

How do I fix CVE-2012-4409?

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-2012-4409?

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

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Source: NVD / NIST