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Vulnerability details: VCID-exyu-7j28-43ga
Vulnerability ID VCID-exyu-7j28-43ga
Aliases CVE-2021-31873
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk None
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-31873
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-31873
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-31873
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-31873
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-31873
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-31873
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-31873
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-31873
epss 0.00889 https://api.first.org/data/v1/epss?cve=CVE-2021-31873
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-31873
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31873
989505 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989505
USN-5379-1 https://usn.ubuntu.com/5379-1/
No exploits are available.
There are no known vectors.
Exploit Prediction Scoring System (EPSS)
Percentile 0.75452
EPSS Score 0.00889
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T16:34:50.482585+00:00 Debian Oval Importer Import https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.0.0