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CVE-2021-31873
Component Overview
Vulnerability Overview
Name
CVE-2021-31873
Source
NVD (
link
)
Debian (
link
)
Description
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.
CWEs
CWE-190
Published Date
Apr 30, 2021
Updated Date
Jun 17, 2026
Workaround
-
Advisories
http://www.openwall.com/lists/oss-security/2021/04/30/1
Mailing List
https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=a31ae8c508fc8d1bca4f57e9f9f88127572d5202
Patch
https://kernel.org/pub/linux/libs/klibc/2.0/
Release Notes
https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html
Mailing List
https://lists.zytor.com/archives/klibc/2021-April/004593.html
Mailing List
http://www.openwall.com/lists/oss-security/2021/04/30/1
Mailing List
https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=a31ae8c508fc8d1bca4f57e9f9f88127572d5202
Patch
https://kernel.org/pub/linux/libs/klibc/2.0/
Release Notes
https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html
Mailing List
https://lists.zytor.com/archives/klibc/2021-April/004593.html
Mailing List
Analysis
#
Affected Component
Analysis
klibc
Exploitable
Vulnerability Ratings
#
9.8
CVSSv31
7.5
CVSSv2
Others affected components
#
Name
Project
Project Version
Version
Status
klibc
yocto
master
2.0.14
Not Affected
klibc
yocto
scarthgap
2.0.13
Not Affected