Medium severity6.5NVD Advisory· Published Mar 18, 2020· Updated Jun 17, 2026
CVE-2019-14871
CVE-2019-14871
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).
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Affected products
2- Red Hat/newlibv5Range: all newlib versions prior to 3.3.0
Patches
Vulnerability mechanics
References
1- census-labs.com/news/2020/01/31/multiple-null-pointer-dereference-vulnerabilities-in-newlib/nvdExploitThird Party Advisory
News mentions
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