CVE-2019-14872
The _dtoa_r function of the newlib libc library, prior to version 3.3.0, performs multiple memory...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2019-14872- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
EUVDEUVD-2019-5987
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.
- Record
EUVD-2019-5987- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p7g8-2p6x-4pvg No score
The _dtoa_r function of the newlib libc library, prior to version 3.3.0, performs multiple memory...
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.
- Record
GHSA-p7g8-2p6x-4pvg- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2019-14872- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:N/A:P - Weakness
- CWE-476
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2019-14872- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-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.
- Record
DEBIAN-CVE-2019-14872- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-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.
- Record
UBUNTU-CVE-2019-14872- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
newlibDebian:12 |
before 3.3.0-1 | 3.3.0-1 |
newlibDebian:13 |
before 3.3.0-1 | 3.3.0-1 |
newlibDebian:14 |
before 3.3.0-1 | 3.3.0-1 |
picolibcDebian:12 |
before 1.4.3-1 | 1.4.3-1 |
picolibcDebian:13 |
before 1.4.3-1 | 1.4.3-1 |
picolibcDebian:14 |
before 1.4.3-1 | 1.4.3-1 |
newlibUbuntu:16.04:LTS |
All versions, plus listed versions 2.1.0+git20141201.db59ff3-22.2.0+git20150830.5a3d536-1 |
None known |
newlibUbuntu:18.04:LTS |
All versions, plus listed versions 2.4.0.20160527-22.4.0.20160527-32.4.0.20160527-3ubuntu0.1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-14872 is a medium vulnerability (CVSS 6.5) in Newlib Project Newlib, published March 19, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.45%, the 73rd percentile. Fixed in newlib 3.3.0-1.