How severe is CVE-2019-14872?

CVE-2019-14872 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-14872 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-14872?

CVE-2019-14872 affects Newlib Project Newlib. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-14872?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-14872 published?

CVE-2019-14872 was published on 2020-03-19 and last updated on 2026-06-17.

CVE-2019-14872

CVE-2019-14872 is a medium-severity vulnerability in Newlib Project Newlib with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Newlib Project Newlib
Published: 2020-03-19
Last modified: 2026-06-17

Description

The _dtoa_r function of the newlib libc library, prior to version 3.3.0, performs multiple memory allocations without checking their return value. This could result in NULL pointer dereference.

Frequently asked questions

What is CVE-2019-14872?: The _dtoa_r function of the newlib libc library, prior to version 3.3.0, performs multiple memory allocations without checking their return value. This could result in NULL pointer dereference.
How severe is CVE-2019-14872?: CVE-2019-14872 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-14872 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-14872?: CVE-2019-14872 affects Newlib Project Newlib. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-14872?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-14872 published?: CVE-2019-14872 was published on 2020-03-19 and last updated on 2026-06-17.

References

https://census-labs.com/news/2020/01/31/multiple-null-pointer-dereference-vulnerabilities-in-newlib/

Affected products (1)

cpe:2.3:a:newlib_project:newlib:*:*:*:*:*:*:*:*

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