CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2021-31873
Critical (9.8). EPSS 2.2% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 2.2% chance of exploitation in the next 30 days; higher than 82% of CVEs (scores of 2026-10-31)
- CWE
- CWE-190
- Published
- Modified
- Record from
- the NVD, synced
Affected
- debian:debian_linux
- klibc_project:klibc
References
- http://www.openwall.com/lists/oss-security/2021/04/30/1
- https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=a31ae8c508fc8d1bca4f57e9f9f88127572d5202
- https://github.com/huolinjue/klibc/commit/a31ae8c508fc8d1bca4f57e9f9f88127572d5202
- https://kernel.org/pub/linux/libs/klibc/2.0/
- https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html