Bug 1162457 - (CVE-2019-14876) VUL-1: CVE-2019-14876: newlib: __lshift null pointer dereference bug
VUL-1: CVE-2019-14876: newlib: __lshift null pointer dereference bug
Status: NEW
Classification: openSUSE
Product: openSUSE Distribution
Classification: openSUSE
Component: Basesystem
Leap 15.1
Other Other
: P4 - Low : Minor (vote)
: ---
Assigned To: Richard Biener
Security Team bot
Depends on:
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Reported: 2020-02-03 07:37 UTC by Alexander Bergmann
Modified: 2020-02-03 08:00 UTC (History)
0 users

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Found By: Security Response Team
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Description Alexander Bergmann 2020-02-03 07:37:37 UTC

__lshift null pointer dereference bug (CVE-2019-14876)

In the __lshift function of the newlib libc library (see newlib/libc/stdlib/mprec.c), Balloc is used to allocate a big integer, however no check is performed to verify if the allocation succeeded or not: