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CVE-2024-30949

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

9.8 CriticalFix available

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

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.76%Up 0.7 points since Aug 21, 2024
90%50%10%1%

What each source reports

NVD Score used 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.

Record
CVE-2024-30949
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-190, CWE-787
Updated
2026-11-02
CVE List 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.

Record
CVE-2024-30949
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-787
Updated
2026-11-02
EUVDEUVD-2024-28867 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.

Record
EUVD-2024-28867
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-qhpg-jf9r-mqxq 9.8

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

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

Record
GHSA-qhpg-jf9r-mqxq
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-190, CWE-787
Updated
2026-11-02
OSV 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.

Record
CVE-2024-30949
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2024-30949 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.

Record
DEBIAN-CVE-2024-30949
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2024-30949 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.

Record
UBUNTU-CVE-2024-30949
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
newlib
Debian:12
 All versions, plus listed versions
3.3.0-1.33.3.0-1.3+deb12u14.4.0.20231231-14.4.0.20231231-24.4.0.20231231-3
Show 4 moreShow less
4.4.0.20231231-44.5.0.20241231-14.6.0.20260123-14.6.0.20260123-2
 None known
newlib
Debian:13
 before 4.4.0.20231231-2
4.4.0.20231231-2
newlib
Debian:14
 before 4.4.0.20231231-2
4.4.0.20231231-2
newlib
Ubuntu:16.04:LTS
 All versions, plus listed versions
2.1.0+git20141201.db59ff3-22.2.0+git20150830.5a3d536-1
 None known
newlib
Ubuntu:18.04:LTS
 All versions, plus listed versions
2.4.0.20160527-22.4.0.20160527-32.4.0.20160527-3ubuntu0.1
 None known
newlib
Ubuntu:20.04:LTS
 All versions, plus listed versions
3.1.0.20181231-13.3.0-0ubuntu1
 None known
newlib
Ubuntu:22.04:LTS
 All versions, plus listed versions
3.3.0-13.3.0-1.23.3.0-1.3
 None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-30949 is a critical vulnerability (CVSS 9.8) in Newlib Project Newlib, published August 20, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.76%, the 55th percentile. Fixed in newlib 4.4.0.20231231-2.

References

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