CVE-2019-14871
Medium
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).
SeverityMedium
CVSS6.5
Exploit probability—
ProductNewlib
PublishedMar 18, 2020
First seenMar 18, 2020
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- newlib_project newlib3.3.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| newlib_project newlib | v < 3.3.0 | 3.3.0 |
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