REDHAT-BUG-2427698: Buffer Overflow
Published Jan 7, 2026
·Updated
Stack-based buffer overflow in libtasn1 version: v4.20.0. The function fails to validate the size of input data resulting in a buffer overflow in asn1expendoctetstring.
Affected Software
1 affected component
libtasn1 libtasn1=v4.20.0
Event History
Jan 7, 2026
Data Sourced
via Red Hat·10:01 PM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the severity of REDHAT-BUG-2427698?
The severity of REDHAT-BUG-2427698 is classified as low.
2
What type of vulnerability is REDHAT-BUG-2427698?
REDHAT-BUG-2427698 is a stack-based buffer overflow vulnerability.
3
What version of libtasn1 is affected by REDHAT-BUG-2427698?
REDHAT-BUG-2427698 affects libtasn1 version v4.20.0.
4
How do I fix REDHAT-BUG-2427698?
To fix REDHAT-BUG-2427698, update libtasn1 to the latest version that resolves the buffer overflow issue.
5
What causes the vulnerability in REDHAT-BUG-2427698?
The vulnerability in REDHAT-BUG-2427698 is caused by the function failing to validate the size of input data.