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SUSE Linux Micro rsync Important Symlink Race Auth Bypass 2026-21739

SUSE Linux Micro rsync Important Symlink Race Auth Bypass 2026-21739

Linuxsecurity •LinuxSecurity Advisories • May 22, 2026

## This update for rsync fixes the following issues * CVE-2026-29518: Symlink-Race TOCTOU in Daemon (bsc#1264511). * CVE-2026-43617: Authorization Bypass via Hostname Resolution (bsc#1264515). * CVE-2026-43618: Integer Overflow Information Disclosure (bsc#1264512). * CVE-2026-43619: Symlink Race Condition via Path-Based Syscalls (bsc#1264514). * CVE-2026-43620: Out-of-Bounds Array Read via recv_files() (bsc#1264513). * CVE-2026-45232: Off-by-one stack OOB write in HTTP CONNECT proxy response parsing (bsc#1265296). ## 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 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-539=1

## This update for rsync fixes the following issues * CVE-2026-29518: Symlink-Race TOCTOU in Daemon (bsc#1264511). * CVE-2026-43617: Authorization Bypass via Hostname Resolution (bsc#1264515). * CVE-2026-43618: Integer Overflow Information Disclosure (bsc#1264512). * CVE-2026-43619: Symlink Race Condition via Path-Based Syscalls (bsc#1264514). * CVE-2026-43620: Out-of-Bounds Array Read via recv_files() (bsc#1264513). * CVE-2026-45232: Off-by-one stack OOB write in HTTP CONNECT proxy response parsing (bsc#1265296). ## 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 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-539=1

* CVE-2025-10158 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

* CVE-2025-10158 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

* CVE-2026-29518 ( SUSE ): 7.3

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

* CVE-2026-29518 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-29518 ( NVD ): 7.3

Announcement ID: SUSE-SU-2026:21739-1 Release Date: 2026-05-21T11:22:07Z Rating: important

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