Unrated severityNVD Advisory· Published Mar 19, 2020· Updated Aug 5, 2024
CVE-2019-14877
CVE-2019-14877
Description
In the __mdiff function of the newlib libc library, all versions prior to 3.3.0 (see newlib/libc/stdlib/mprec.c), Balloc is used to allocate big integers, however no check is performed to verify if the allocation succeeded or not. The access to _wds and _sign will trigger a null pointer dereference bug in case of a memory allocation failure.
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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/mitrex_refsource_CONFIRM
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