SUSE openssh Fixes SSH Forwarding and Tunnel Policy Issues

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## This update for openssh fixes the following issues: * CVE-2026-73282: unsynchronized remote forwarding updates in SSH client multiplexing can cause use-after-free (bsc#1275074). * CVE-2026-73283: unenforced restriction keywords on tunnel forwarding can allow administrative security policy bypasses (bsc#1275079). ## 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: * openSUSE Leap 15.3 zypper in -t patch SUSE-2026-4811 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-4811 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

## This update for openssh fixes the following issues: * CVE-2026-73282: unsynchronized remote forwarding updates in SSH client multiplexing can cause use-after-free (bsc#1275074). * CVE-2026-73283: unenforced restriction keywords on tunnel forwarding can allow administrative security policy bypasses (bsc#1275079). ## 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: * openSUSE Leap 15.3 zypper in -t patch SUSE-2026-4811 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-4811 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

* CVE-2026-73282 ( SUSE ): 6.3

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

* CVE-2026-73282 ( SUSE ): 5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

* CVE-2026-73282 ( NVD ): 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

* CVE-2026-73283 ( SUSE ): 2.3

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

* CVE-2026-73283 ( SUSE ): 4.2 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

* CVE-2026-73283 ( NVD ): 2.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

* SUSE Linux Enterprise High Performance Computing 15 SP4

* SUSE Linux Enterprise High Performance Computing 15 SP5

Announcement ID: SUSE-SU-2026:4811-1 Release Date: 2026-10-21T08:46:52Z Rating: moderate

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