An issue in newlib v.4.3.0 allows an attacker to execute arbitrary code via the time unit…
Priority MEDIUM 50CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
An issue in newlib v.4.3.0 allows an attacker to execute arbitrary code via the time unit scaling in the _gettimeofday function.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00762 55th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:newlib_project:newlib:4.3.0:*:*:*:*:*:*:* | 4.3.0 | Vulnerable | Newlib Project |
- cpe:2.3:a:newlib_project:newlib:4.3.0:*:*:*:*:*:*:* Versions 4.3.0 Vulnerable ·Newlib Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2024-30949
- 2026-10-03 Alias added: GHSA-qhpg-jf9r-mqxq
References
More Newlib Project Newlib vulnerabilities
- TI-2021-02384 Integer overflow in newlib CVSS 3.1CRITICAL 9.8
- TI-2019-11082 NULL pointer dereference in Red Hat newlib CVSS 3.1MEDIUM 6.5
- TI-2019-11080 NULL pointer dereference in Red Hat newlib CVSS 3.1MEDIUM 6.5
- TI-2019-11078 NULL pointer dereference in Red Hat newlib CVSS 3.1MEDIUM 6.5
- TI-2019-11077 NULL pointer dereference in Red Hat newlib CVSS 3.1MEDIUM 6.5
- TI-2019-11076 NULL pointer dereference in Red Hat newlib CVSS 3.1MEDIUM 6.5
Sources
- CVE-2024-30949 · CVE Program
- CVE-2024-30949 · NVD
- FIRST EPSS
- GHSA-qhpg-jf9r-mqxq · GitHub Advisory Database · CC BY 4.0
- CVE-2024-30949 · Red Hat security data · CC BY 4.0
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