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openSUSE Leap 15.4 SUSE-SU-2026-1511-1 flatpak Important DoS Threat

opensuse
Calendar Grey April 21, 2026
Dist Opensuse Esm H88
An update for openSUSE addresses important vulnerabilities in flatpak, enabling installation to rectify issues found in versions.
An update that solves two vulnerabilities can now be installed.

Description

This update for flatpak fixes the following issues:

* CVE-2026-34078: Arbitrary code execution via crafted symlinks in sandbox-

expose options (bsc#1261769).

* CVE-2026-34079: Arbitrary file deletion on host via improper cache file path

validation (bsc#1261770).

Topics%20covered

Topics Covered

security advisory arbitrary code execution important file deletion OpenSUSE flatpak

Patch

## 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 15.4

zypper in -t patch SUSE-2026-1511=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1511=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1511=1

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-1511=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP4

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-1511=1

Package List

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)

* flatpak-debuginfo-1.12.8-150400.3.12.1

* flatpak-1.12.8-150400.3.12.1

* typelib-1_0-Flatpak-1_0-1.12.8-150400.3.12.1

* flatpak-zsh-completion-1.12.8-150400.3.12.1

* libflatpak0-1.12.8-150400.3.12.1

* libflatpak0-debuginfo-1.12.8-150400.3.12.1

* system-user-flatpak-1.12.8-150400.3.12.1

* flatpak-debugsource-1.12.8-150400.3.12.1

* flatpak-devel-1.12.8-150400.3.12.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64

x86_64)

* flatpak-debuginfo-1.12.8-150400.3.12.1

* flatpak-1.12.8-150400.3.12.1

* typelib-1_0-Flatpak-1_0-1.12.8-150400.3.12.1

* flatpak-zsh-completion-1.12.8-150400.3.12.1

* libflatpak0-1.12.8-150400.3.12.1

* libflatpak0-debuginfo-1.12.8-150400.3.12.1

* system-user-flatpak-1.12.8-150400.3.12.1

* flatpak-debugsource-1.12.8-150400.3.12.1

* flatpak-devel-1.12.8-150400.3.12.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64

x86_64)

* flatpak-debuginfo-1.12.8-150400.3.12.1

*...

Read the Full Advisory

References

* bsc#1261769

* bsc#1261770

## References:

* https://www.suse.com/security/cve/CVE-2026-34078.html

* https://www.suse.com/security/cve/CVE-2026-34079.html

* https://bugzilla.suse.com/show_bug.cgi?id=1261769

* https://bugzilla.suse.com/show_bug.cgi?id=1261770

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1511-1
Release Date: 2026-04-21T06:28:50Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP4

Topics%20covered

Topics Covered

security advisory arbitrary code execution important file deletion OpenSUSE flatpak

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