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SUSE vsftpd 3.0.5 Fixes Integer Overflow DoS Vulnerability

Linuxsecurity •LinuxSecurity Advisories • November 10, 2026

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## This update for vsftpd fixes the following issue: * CVE-2025-14242: denial of service via integer overflow in `ls` command parameter parsing (bsc#1256700). ## 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 Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-5156 ## Package List: * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64) * vsftpd-3.0.5-60.1 * vsftpd-debugsource-3.0.5-60.1 * vsftpd-debuginfo-3.0.5-60.1

* CVE-2025-14242 ( SUSE ): 7.1

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2025-14242 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-14242 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* SUSE Linux Enterprise Server 12 SP5

* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security

* SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves one vulnerability can now be installed.

Announcement ID: SUSE-SU-2026:5156-1 Release Date: 2026-11-10T09:31:15Z Rating: moderate

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SUSE vsftpd Update Addresses Integer Overflow DoS Vulnerability On November 10, 2026, SUSE released updates for vsftpd to address CVE-2025-14242, an integer overflow vulnerability that can lead to denial of service via improper parsing of the `ls` command parameter. The vulnerability affects multiple SUSE Linux distributions, including openSUSE Leap 15.6 and SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security. The CVSS score for this vulnerability is 6.5, categorized as medium severity. Administrators are advised to apply the patches using SUSE's recommended installation methods. The updates are crucial for maintaining server stability and security, as exploitation could disrupt service availability. The vulnerability was published on January 14, 2026, and is now patched, with no reports of in the wild. 3 sources 46

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SUSE vsftpd 3.0.5 Fixes Integer Overflow DoS Vulnerability

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Attack Types (1)

CVEs (1)

CWE Weaknesses (1)

Platforms (1)