CVE-2019-14872 json
The _dtoa_r function of the newlib libc library, prior to version 3.3.0, performs multiple memory allocations without checking their return…
published 6y ago modified 4mo ago also EUVD-2019-5987
- cvss
- 6.5
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- newlib_project newlib 3.3.0
- newlib Debian 14, Debian 13, Debian 12 3.3.0-1
- picolibc Debian 14, Debian 13, Debian 12 1.4.3-1
debian advisories DEBIAN-CVE-2019-14872
Is CVE-2019-14872 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.45% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- census-labs.com https://census-labs.com/news/2020/01/31/multiple-null-pointer-dereference-vulnerabilities-in-newlib/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
Affected products
- Red Hat newlib
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
References
-
census-labs.com
/news/2020/01/31/multiple-null-pointer-dereference-vulnerabilities-in-newlib/
exploit, third-party-advisory
Sources
- CVE List CVE-2019-14872
- NVD CVE-2019-14872
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