VDB
CVE-2021-31871
CVE-2021-31871
PUBLISHED
CVSS 7.5 HIGH
An issue was discovered in klibc before 2.0.9. An integer overflow in the cpio command may result in a NULL pointer dereference on 64-bit systems.
EPSS 1.88% · 77.7th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
1.88%
77.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:16.04:LTS | klibc | 2.0.4-8ubuntu1.16.04.2, 2.0.4-8ubuntu1.16.04.3, 2.0.4-6 |
| Ubuntu:Pro:14.04:LTS | klibc | 0, 2.0.2-1ubuntu1, 2.0.2-1ubuntu2 |
| Ubuntu:20.04:LTS | klibc | 0, 2.0.6-1ubuntu1, 2.0.6-1ubuntu2 |
| Ubuntu:18.04:LTS | klibc | 0, 2.0.4-9ubuntu1, 2.0.4-9ubuntu2 |
Timeline
- Apr 30, 2021 EPSS Score
- Apr 30, 2021 CVE Published
- Jul 3, 2021 EPSS Score
- Sep 4, 2021 EPSS Score
- Nov 5, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 10, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 11, 2022 EPSS Score
- Jul 12, 2022 EPSS Score
- Sep 14, 2022 EPSS Score
- Nov 15, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-31871 third-party-advisory
- https://kernel.org/pub/linux/libs/klibc/2.0/ third-party-advisory
- https://lists.zytor.com/archives/klibc/2021-April/004593.html third-party-advisory
- https://ubuntu.com/security/notices/USN-5379-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-31871 third-party-advisory