SUSE-SU-2026:3417-1

Vulnerability from csaf_suse - Published: 2026-07-30 07:06 - Updated: 2026-09-17 16:37
Summary
Security update for apptainer
Severity
Important
Notes
Title of the patch: Security update for apptainer
Description of the patch: This update for apptainer fixes the following issues: - 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-2026-56852: golang.org/x/text/unicode/norm: infinite loop on truncated/invalid UTF-8 input (bsc#1272115). Changes for apptainer: - Update apptainer to version 1.5.3: * If the ptrace() system call does not work while building an image as an unprivileged user, skip using PRoot to preserve file ownership and print an INFO message. * Bind getopt from the host when using fakeroot command mode, to make the fakeroot command work with base containers which no longer contain getopt by default. * Extended the mksquashfs segmentation fault workaround for cases where mksquashfs uses many processor cores.
Patchnames: SUSE-2026-3417,SUSE-SLE-Module-HPC-15-SP7-2026-3417,SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-3417,SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-3417
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP7:apptainer-0:1.5.3-150600.4.34.2.aarch64
Vendor Fix
Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP7:apptainer-0:1.5.3-150600.4.34.2.x86_64
Vendor Fix
Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP7:apptainer-sle15_7-0:1.5.3-150600.4.34.2.noarch
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for HPC 15 SP7:apptainer-0:1.5.3-150600.4.34.2.aarch64
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for HPC 15 SP7:apptainer-0:1.5.3-150600.4.34.2.x86_64
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for HPC 15 SP7:apptainer-sle15_7-0:1.5.3-150600.4.34.2.noarch
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP7:apptainer-0:1.5.3-150600.4.34.2.aarch64
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP7:apptainer-0:1.5.3-150600.4.34.2.x86_64
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP7:apptainer-suid-0:1.5.3-150600.4.34.2.aarch64
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP7:apptainer-suid-0:1.5.3-150600.4.34.2.x86_64
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 15 SP6-LTSS:apptainer-0:1.5.3-150600.4.34.2.aarch64
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 15 SP6-LTSS:apptainer-0:1.5.3-150600.4.34.2.x86_64
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 15 SP6-LTSS:apptainer-sle15_6-0:1.5.3-150600.4.34.2.noarch
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 15 SP6:apptainer-0:1.5.3-150600.4.34.2.aarch64
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 15 SP6:apptainer-0:1.5.3-150600.4.34.2.x86_64
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 15 SP6:apptainer-sle15_6-0:1.5.3-150600.4.34.2.noarch
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15 SP6:apptainer-0:1.5.3-150600.4.34.2.aarch64
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15 SP6:apptainer-0:1.5.3-150600.4.34.2.x86_64
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15 SP6:apptainer-sle15_6-0:1.5.3-150600.4.34.2.noarch
Vendor Fix
Threats
Impact important
Affected products
Recommended 19 products, the same list as for CVE-2026-39821
Threats
Impact moderate

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          "details": "moderate"
        }
      ],
      "title": "CVE-2026-56852"
    }
  ]
}



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Tags
Taxonomy of the tags.


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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