VDB
CVE-2021-31873
CVE-2021-31873
PUBLISHED
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.
EPSS 0.89% · 75.9th percentile
Risk Scores
EPSS Score
0.89%
75.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | klibc | 2.0.6-1ubuntu1, 2.0.7-1ubuntu1, 2.0.7-1ubuntu3 |
| Ubuntu:Pro:16.04:LTS | klibc | 0, 2.0.4-4, 2.0.4-6 |
| Ubuntu:Pro:14.04:LTS | klibc | 2.0.1-3.1ubuntu2, 2.0.2-1ubuntu1, 2.0.2-1ubuntu2 |
| Ubuntu:18.04:LTS | klibc | 0, 2.0.4-9ubuntu1, 2.0.4-9ubuntu2 |
Timeline
- Apr 30, 2021 CVE Published
- Apr 30, 2021 EPSS Score
- Jul 3, 2021 EPSS Score
- Nov 4, 2021 EPSS Score
- Jan 5, 2022 EPSS Score
- Jan 6, 2022 EPSS Score
- Mar 9, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 10, 2022 EPSS Score
- Jul 11, 2022 EPSS Score
- Nov 13, 2022 EPSS Score
- Jan 14, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-31873 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-2021-31873 third-party-advisory