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openSUSE Apptainer Important DoS Buffer Overflow Fixes SUSE-SU-2026-2609-1

opensuse
Calendar Grey June 24, 2026
Dist Opensuse Esm H88
An update for openSUSE fixes 19 vulnerabilities in apptainer, rated important, addressing key security issues.
An update that solves 19 vulnerabilities can now be installed.

Description

This update for apptainer fixes the following issues

* CVE-2026-24137: github.com/sigstore/sigstore/pkg/tuf: legacy TUF client

allows for arbitrary file writes with target cache path traversal

(bsc#1264177).

* CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper

validation of the HTTP/2: path pseudo- header (bsc#1260311).

* CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport

when given bad SETTINGS_MAX_FRAME_SIZE (bsc#1265844).

* CVE-2026-34986: github.com/go-jose/go-jose/v4,github.com/go-jose/go-jose/v3:

crafted JWE input with a missing encrypted key can lead to a denial of

service (bsc#1262956).

* CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only

Punycode-encoded labels allows for validation bypass and privilege

escalation (bsc#1266656).

* CVE-2026-39827: memory leak when rejecting channels can lead to DoS in

golang.org/x/crypto/ssh (bsc#1266202).

* CVE-2026-39828:...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory buffer overflow DoS important OpenSUSE apptainer

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:

* HPC Module 15-SP7

zypper in -t patch SUSE-SLE-Module-HPC-15-SP7-2026-2609=1

* SUSE Linux Enterprise Server 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2609=1

* openSUSE Leap 15.6

zypper in -t patch SUSE-2026-2609=1

Package List

* openSUSE Leap 15.6 (aarch64 x86_64)

* apptainer-debuginfo-1.5.1-150600.4.24.1

* apptainer-1.5.1-150600.4.24.1

* openSUSE Leap 15.6 (noarch)

* apptainer-sle15_6-1.5.1-150600.4.24.1

* apptainer-leap-1.5.1-150600.4.24.1

* apptainer-sle15_7-1.5.1-150600.4.24.1

* apptainer-sle16-1.5.1-150600.4.24.1

* HPC Module 15-SP7 (aarch64 x86_64)

* apptainer-debuginfo-1.5.1-150600.4.24.1

* apptainer-1.5.1-150600.4.24.1

* HPC Module 15-SP7 (noarch)

* apptainer-sle15_7-1.5.1-150600.4.24.1

* SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 x86_64)

* apptainer-debuginfo-1.5.1-150600.4.24.1

* apptainer-1.5.1-150600.4.24.1

* SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)

* apptainer-sle15_6-1.5.1-150600.4.24.1

References

* bsc#1260311

* bsc#1262956

* bsc#1264177

* bsc#1265844

* bsc#1266202

* bsc#1266656

* bsc#1267982

## References:

* https://www.suse.com/security/cve/CVE-2026-24137.html

* https://www.suse.com/security/cve/CVE-2026-33186.html

* https://www.suse.com/security/cve/CVE-2026-33814.html

* https://www.suse.com/security/cve/CVE-2026-34986.html

* https://www.suse.com/security/cve/CVE-2026-39821.html

* https://www.suse.com/security/cve/CVE-2026-39827.html

* https://www.suse.com/security/cve/CVE-2026-39828.html

* https://www.suse.com/security/cve/CVE-2026-39829.html

* https://www.suse.com/security/cve/CVE-2026-39830.html

* https://www.suse.com/security/cve/CVE-2026-39831.html

* https://www.suse.com/security/cve/CVE-2026-39832.html

* https://www.suse.com/security/cve/CVE-2026-39833.html

* https://www.suse.com/security/cve/CVE-2026-39834.html

* https://www.suse.com/security/cve/CVE-2026-39835.html

* https://www.suse.com/security/cve/CVE-2026-42508.html

* https://www.suse.com/security/cve/CVE-2026-46595.html

*...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2609-1
Release Date: 2026-06-24T08:46:20Z
Affected Products: * HPC Module 15-SP7 * openSUSE Leap 15.6 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP6 LTSS * SUSE Linux Enterprise Server 15 SP7

Topics%20covered

Topics Covered

security advisory buffer overflow DoS important OpenSUSE apptainer

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