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SUSE: iperf Important Buffer Overflow Fix Advisory SUSE-SU-2025:20658-1

suse
Calendar Grey September 10, 2025
Dist Suse Esm H88
SUSE releases a vital security patch for nmap, tackling several threats, featuring significant buffer overflow risks.
* bsc#1247519 * bsc#1247520 * bsc#1247522 Cross-References:

Summary

## This update for iperf fixes the following issues: Update to 3.19.1: * CVE-2025-54349: Fixed off-by-one error and resultant heap-based buffer overflow (bsc#1247519). * CVE-2025-54350: Fixed Base64Decode assertion failure and application exit upon a malformed authentication attempt (bsc#1247520). * CVE-2025-54351: Fixed buffer overflow when --skip-rx-copy is used (for MSG_TRUNC in recv) (bsc#1247522). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Micro Extras 6.0 zypper in -t patch SUSE-SLE-Micro-6.0-448=1 ## Package List: * SUSE Linux Micro Extras 6.0 (aarch64 s390x x86_64) * iperf-debuginfo-3.19.1-1.1 * libiperf0-3.19.1-1.1

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE patch important iperf

References

* bsc#1247519

* bsc#1247520

* bsc#1247522

Cross-

* CVE-2025-54349

* CVE-2025-54350

* CVE-2025-54351

CVSS scores:

* CVE-2025-54349 ( SUSE ): 5.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

* CVE-2025-54349 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L

* CVE-2025-54349 ( NVD ): 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

* CVE-2025-54350 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

* CVE-2025-54350 ( NVD ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

* CVE-2025-54350 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

* CVE-2025-54351 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

* CVE-2025-54351 ( NVD ): 8.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:20658-1
Release Date: 2025-09-05T12:57:05Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE patch important iperf

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