CVE-2021-27419
9.8
CRITICAL
CVSS 3.1
EPSS 2.6%
Description
uClibc-ng versions prior to 1.0.37 are vulnerable to integer wrap-around in functions malloc-simple. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.
How to fix CVE-2021-27419
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/uclibc—no fix listed
Is CVE-2021-27419 being exploited?
Low — EPSS is 2.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |