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Status published
Critical
CVE-2021-31873
An issue was discovered in klibc before 2.0.9. Additions in...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://kernel.org/pub/linux/libs/klibc/2.0/
- https://lists.zytor.com/archives/klibc/2021-April/004593.html
- https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=a31ae8c508fc8d1bca4f57e9f9f88127572d5202
- http://www.openwall.com/lists/oss-security/2021/04/30/1
- https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html
- https://github.com/huolinjue/klibc/commit/a31ae8c508fc8d1bca4f57e9f9f88127572d5202
More from klibc project
View All →Affected Vendor
klibc project
View all reports →Affected Software
klibc, debian linux
Vulnerable Versions:
0, 9.0
Timeline
Official Publish:
April 30th, 2021
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.