CVE-2024-30949

newlib: arbitrary code execution via the time unit scaling in the _gettimeofday function

Published 20 Aug 2024Modified 17 Jun 2026CWE 190, 787

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Red Hat9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (high).

Description

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

Affected packages and fixed versions

Source	Package	Fixed in
debian 11	newlib	no fix listed
debian 12	newlib	no fix listed
debian 13	newlib	4.4.0.20231231-2
debian 14	newlib	4.4.0.20231231-2
echo	newlib	4.4.0.20231231-2
rapidfort debian 12	newlib	0:4.4.0.20231231-2
rapidfort debian 13	newlib	0:4.4.0.20231231-2

References

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Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.