NULL pointer dereference in Red Hat newlib
Priority LOW 32CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.
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.
Why it matters now
EPSS 0.01453 73rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed newlib (Red Hat): 3.3.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | newlib | before 3.3.0 | 3.3.0 | Patch available | CNA |
- newlib VendorRed Hat Affected before 3.3.0 Fixed in 3.3.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:newlib_project:newlib:*:*:*:*:*:*:*:* | before 3.3.0 | Vulnerable | Newlib Project |
- cpe:2.3:a:newlib_project:newlib:*:*:*:*:*:*:*:* Versions before 3.3.0 Vulnerable ·Newlib Project
Remediation
- Fix · CNA newlib (Red Hat) Fixed in 3.3.0
Timeline
- 2026-10-02 Threatist record created from CVE-2019-14872
- 2026-10-03 Alias added: GHSA-p7g8-2p6x-4pvg
References
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Sources
- CVE-2019-14872 · CVE Program
- CVE-2019-14872 · NVD
- FIRST EPSS
- GHSA-p7g8-2p6x-4pvg · GitHub Advisory Database · CC BY 4.0
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