CVE-2019-14872: newlib_project newlib NULL Pointer Dereference
CVSS: 6.5v3.0MediumModified
AliasesUBUNTU-CVE-2019-14872DEBIAN-CVE-2019-14872
Published 19-03-2020Last modified 05-08-2024
Vulnerability summary
CVE-2019-14872 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in newlib_project newlib. EPSS estimates a 1.45% chance of exploitation in the next 30 days, higher than 73% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.5/10
010
Medium · v3.0 (CVE.org)EPSS score
1.45%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 19-03-2020PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
7 scores · 4 sources · 3 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Medium 6.5Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- NVDNIST6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.45%
Chance of exploitation in the next 30 days
Percentile
73%
Versus all other CVEs
30-day change
0.00 pp
From 1.45% on 18-09-2026
18-09-202618-10-2026
EPSS score1.45%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (census-labs.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian2 products
- newlib< 3.3.0-1
- picolibc< 1.4.3-1
Newlib_project1 product
- newlib< 3.3.0
Red hat1 product
- newliball newlib versions prior to 3.3.0
Ubuntu1 product
- newlibAll versions (No fix recorded)
4 vendors · 5 products
References
4 links- census-labs.com/news/2020/01/31/multiple-null-pointer-dereference-vulnerabilities-in-newlib/X Refsource CONFIRMExploitThird Party AdvisoryREPORT