CVE-2021-31873: Buffer Overflow
Published Apr 30, 2021
·Updated
An issue was discovered in klibc before 2.0.9. Additions in the malloc() function may result in an integer overflow and a subsequent heap buffer overflow.
Affected Software
2 affected components
Klibc Project Klibc<2.0.9
Debian Debian Linux=9.0
Remediation
Event History
Apr 30, 2021
CVE Published
12:00 AM
Data Sourced
12:00 AM
Description
Frequently Asked Questions
1
What is the severity of CVE-2021-31873?
CVE-2021-31873 is considered a critical vulnerability due to the potential for an integer overflow leading to a heap buffer overflow.
2
How do I fix CVE-2021-31873?
To mitigate CVE-2021-31873, upgrade your klibc to version 2.0.9 or later.
3
Which versions of klibc are affected by CVE-2021-31873?
CVE-2021-31873 affects klibc versions prior to 2.0.9.
4
What kind of issue is represented by CVE-2021-31873?
CVE-2021-31873 represents an integer overflow issue in the malloc() function that may result in a heap buffer overflow.
5
Which operating systems are impacted by CVE-2021-31873?
CVE-2021-31873 affects Debian Linux version 9.0 when using the vulnerable versions of klibc.