CVE-2024-30949

CRITICALNVD 9.89.8—

9.8

An issue in newlib v.4.3.0 allows an attacker to execute arbitrary code via the time unit scaling in the _gettimeofday function.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 72.3%
KEV: Not listed

Published

August 20, 2024

Last Modified

August 21, 2024

Advisory Details (2)

Auto-updated May 26, 2026

No patch confirmed yet.

generic

[PATCH v2] RISC-V: Fix timeval conversion in _gettimeofday() - Kuan-Wei Chiu

https://inbox.sourceware.org/newlib/20231129035714.469943-1-visitorckw%40gmail.com/

generic

CVE-2024-30949 · GitHub

https://gist.github.com/visitorckw/6b26e599241ea80210ea136b28441661

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 18× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-06 13:46 UTCepss_batch
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Frequently asked(5)

What is CVE-2024-30949?

CVE-2024-30949 is a critical vulnerability published on August 20, 2024. An issue in newlib v.4.3.0 allows an attacker to execute arbitrary code via the time unit scaling in the _gettimeofday function.

When was CVE-2024-30949 disclosed?

CVE-2024-30949 was first published in the National Vulnerability Database on August 20, 2024, with the most recent update on August 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-30949 actively exploited?

CVE-2024-30949 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 72.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-30949?

CVE-2024-30949 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2024-30949?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-30949, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2024-30949

📅 Published

🔄 Last Modified

📋 Advisory Details (2)