NULL pointer dereference in Newlib Project
CVE-2019-14871
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).
EPSS: 0.010 (59.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Newlib_project Newlib
- Red Hat Newlib — versions all newlib versions prior to 3.3.0
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-14871?
- CVE-2019-14871 is a medium-severity vulnerability in Newlib Project, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2020-03-18.
- How severe is CVE-2019-14871?
- Medium severity. CVSS v3 base score is 6.5 out of 10.