CVE-2019-14871

Public Exploit

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).

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.46%
Third-Party Advisory census-labs.com
Affected: Red Hat newlib
Published at:
Updated at:

References

Link Tags
https://census-labs.com/news/2020/01/31/multiple-null-pointer-dereference-vulnerabilities-in-newlib/ exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-14871?
CVE-2019-14871 has been scored as a medium severity vulnerability.
How to fix CVE-2019-14871?
To fix CVE-2019-14871, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-14871 being actively exploited in the wild?
It is possible that CVE-2019-14871 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-14871?
CVE-2019-14871 affects Red Hat newlib.
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