CVE-2019-14871
6.5
MEDIUM
CVSS 3.1
EPSS 0.46%
Description
The REENT_CHECK macro (see newlib/libc/include/sys/reent.h) as used by REENT_CHECK_TM, REENT_CHECK_MISC, REENT_CHECK_MP and other newlib macros in versions prior to 3.3.0, does not check for memory allocation problems when the DEBUG flag is unset (as is the case in production firmware builds).
How to fix CVE-2019-14871
To remediate CVE-2019-14871, upgrade the affected package to a fixed version below.
- Debian/newlib—upgrade to 3.3.0-1 or later
- —upgrade to 1.4.3-1 or later
Is CVE-2019-14871 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.3.0-1
- from 0, < 1.4.3-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |