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Vulnerability details: VCID-x8g7-33w9-w7b7
Vulnerability ID VCID-x8g7-33w9-w7b7
Aliases CVE-2019-14876
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
epss 0.00309 https://api.first.org/data/v1/epss?cve=CVE-2019-14876
cvssv2 4.0 https://nvd.nist.gov/vuln/detail/CVE-2019-14876
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2019-14876
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2019-14876
https://census-labs.com/news/2020/01/31/multiple-null-pointer-dereference-vulnerabilities-in-newlib/
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14876
cpe:2.3:a:newlib_project:newlib:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:newlib_project:newlib:*:*:*:*:*:*:*:*
CVE-2019-14876 https://nvd.nist.gov/vuln/detail/CVE-2019-14876
No exploits are available.
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-14876
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-14876
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.53588
EPSS Score 0.00309
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T12:07:05.381262+00:00 EPSS Importer Import https://epss.cyentia.com/epss_scores-current.csv.gz 37.0.0