CVE-2019-14876
6.5
MEDIUM
CVSS 3.1
EPSS 0.40%
Description
In the __lshift function of the newlib libc library, all versions prior to 3.3.0 (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. The access to b1 will trigger a null pointer dereference bug in case of a memory allocation failure.
How to fix CVE-2019-14876
To remediate CVE-2019-14876, upgrade the affected package to a fixed version below.
- —upgrade to 3.3.0-1 or later
- —no fix listed
Is CVE-2019-14876 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.3.0-1
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |