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CVE Vulnerabilities

CVE-2025-54349

Off-by-one Error

Published: Aug 03, 2025 | Modified: Nov 03, 2025
CVSS 3.x
10
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
6.5 MODERATE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2025-54349
CWEhttps://cwe.mitre.org/data/definitions/193.html

In iperf before 3.19.1, iperf_auth.c has an off-by-one error and resultant heap-based buffer overflow.

Weakness

A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.

Affected Software

NameVendorStart VersionEnd Version
Iperf3Es3.2 (including)3.19.1 (excluding)
Red Hat Enterprise Linux 10RedHatiperf3-0:3.17.1-5.el10_1*
Red Hat Enterprise Linux 10.0 Extended Update SupportRedHatiperf3-0:3.17.1-4.el10_0.1*
Red Hat Enterprise Linux 8RedHatiperf3-0:3.5-12.el8_10*
Red Hat Enterprise Linux 8.2 Advanced Update SupportRedHatiperf3-0:3.5-4.el8_2.2*
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRedHatiperf3-0:3.5-7.el8_4.2*
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRedHatiperf3-0:3.5-7.el8_4.2*
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRedHatiperf3-0:3.5-7.el8_6.2*
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRedHatiperf3-0:3.5-7.el8_6.2*
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRedHatiperf3-0:3.5-7.el8_6.2*
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRedHatiperf3-0:3.5-7.el8_8.2*
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRedHatiperf3-0:3.5-7.el8_8.2*
Red Hat Enterprise Linux 9RedHatiperf3-0:3.9-14.el9_7.1*
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRedHatiperf3-0:3.9-10.el9_0.2*
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRedHatiperf3-0:3.9-10.el9_2.2*
Red Hat Enterprise Linux 9.4 Extended Update SupportRedHatiperf3-0:3.9-11.el9_4.2*
Red Hat Enterprise Linux 9.6 Extended Update SupportRedHatiperf3-0:3.9-14.el9_6.1*
Iperf3Ubuntuesm-apps/focal*
Iperf3Ubuntuesm-apps/jammy*
Iperf3Ubuntuesm-apps/noble*
Iperf3Ubuntujammy*
Iperf3Ubuntunoble*
Iperf3Ubuntuplucky*
Iperf3Ubuntuquesting*
Iperf3Ubuntuupstream*

Potential Mitigations

References

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