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SUSE Podman Important Security Issues Fixed in 2026-3536

SUSE Podman Important Security Issues Fixed in 2026-3536

Linuxsecurity •LinuxSecurity Advisories • August 10, 2026

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## This update for podman fixes the following issues: * CVE-2026-55686: specially crafted image where the `WORKDIR` path contains a symlink allows for directory creation and ownership modification on the host filesystem (bsc#1268579). * CVE-2026-57231: specially crafted image can trick podman run into leaking host environment variables into the container (bsc#1269471). ## 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 High Performance Computing ESPOS 15 SP5 zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-3536=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

## This update for podman fixes the following issues: * CVE-2026-55686: specially crafted image where the `WORKDIR` path contains a symlink allows for directory creation and ownership modification on the host filesystem (bsc#1268579). * CVE-2026-57231: specially crafted image can trick podman run into leaking host environment variables into the container (bsc#1269471). ## 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 High Performance Computing ESPOS 15 SP5 zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-3536=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

* CVE-2026-55686 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

* CVE-2026-55686 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

* CVE-2026-57231 ( SUSE ): 8.7

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

* CVE-2026-57231 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

* CVE-2026-57231 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

* Containers Module 15-SP7

* SUSE Linux Enterprise High Performance Computing 15 SP5

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

* SUSE Linux Enterprise Micro 5.5

Announcement ID: SUSE-SU-2026:3536-1 Release Date: 2026-08-07T20:09:49Z Rating: important

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