SUSE-SU-2026:22285-1

Vulnerability from csaf_suse - Published: 2026-06-25 12:44 - Updated: 2026-06-25 12:44
Summary
Security update for docker
Severity
Important
Notes
Title of the patch: Security update for docker
Description of the patch: This update for docker fixes the following issues - CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE (bsc#1265782). - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation (bsc#1266625). - CVE-2026-39984: github.com/sigstore/timestamp-authority/v2/pkg/verification: improper certificate validation can be used to bypass some authorization controls (bsc#1262346). - CVE-2026-41567: arbitrary code execution with full daemon privileges when a user uploads a compressed archive into that container (bsc#1267827).
Patchnames: SUSE-SL-Micro-6.2-1081
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2026-33814
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2026-39821
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2026-39984
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.x86_64 —
Vendor Fix
Threats
Impact moderate
CVE-2026-41567
7.2 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.aarch64 —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.ppc64le —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.s390x —
Vendor Fix
Unresolved product id: SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.x86_64 —
Vendor Fix
Threats
Impact important
References
To clipboard 

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          "text": "When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.",
          "title": "CVE description"
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      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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          "category": "general",
          "text": "The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. For example, ToUnicode(\"xn--example-.com\") incorrectly returns the name \"example.com\" rather than an error. This behavior can lead to privilege escalation in programs using the idna package. For example, a program which performs privilege checks on the ASCII hostname may reject \"example.com\" but permit \"xn--example-.com\". If that program subsequently converts the ASCII hostname to Unicode, it will inadvertently permits access to the Unicode name \"example.com\".",
          "title": "CVE description"
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      "product_status": {
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          "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.aarch64",
          "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.ppc64le",
          "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.s390x",
          "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.x86_64",
          "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.aarch64",
          "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.ppc64le",
          "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.s390x",
          "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-39821",
          "url": "https://www.suse.com/security/cve/CVE-2026-39821"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1266474 for CVE-2026-39821",
          "url": "https://bugzilla.suse.com/1266474"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.aarch64",
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.ppc64le",
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.s390x",
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.x86_64",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.aarch64",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.ppc64le",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.s390x",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.aarch64",
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.ppc64le",
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.s390x",
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.x86_64",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.aarch64",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.ppc64le",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.s390x",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-06-25T12:44:31Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-39821"
    },
    {
      "cve": "CVE-2026-39984",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-39984"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Sigstore Timestamp Authority is a service for issuing RFC 3161 timestamps. Versions 2.0.5 and below contain an authorization bypass vulnerability in the VerifyTimestampResponse function. VerifyTimestampResponse correctly verifies the certificate chain signature, but the TSA-specific constraint checks in VerifyLeafCert uses the first non-CA certificate from the PKCS#7 certificate bag instead of the leaf certificate from the verified chain. An attacker can exploit this by prepending a forged certificate to the certificate bag while the message is signed with an authorized key, causing the library to validate the signature against one certificate but perform authorization checks against another. This vulnerability only affects users of the timestamp-authority/v2/pkg/verification package and does not affect the timestamp-authority service itself or sigstore-go. The issue has been fixed in version 2.0.6.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.aarch64",
          "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.ppc64le",
          "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.s390x",
          "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.x86_64",
          "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.aarch64",
          "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.ppc64le",
          "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.s390x",
          "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-39984",
          "url": "https://www.suse.com/security/cve/CVE-2026-39984"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1262338 for CVE-2026-39984",
          "url": "https://bugzilla.suse.com/1262338"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.aarch64",
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.ppc64le",
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.s390x",
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.x86_64",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.aarch64",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.ppc64le",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.s390x",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.aarch64",
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.ppc64le",
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.s390x",
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.x86_64",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.aarch64",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.ppc64le",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.s390x",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-06-25T12:44:31Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-39984"
    },
    {
      "cve": "CVE-2026-41567",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-41567"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Moby is an open source container framework. In versions prior to 29.5.1 and in moby/moby v2 prior to v2.0.0-beta.14, when a compressed archive is uploaded to a container via `PUT /containers/{id}/archive` or piped through `docker cp -`, the daemon resolves decompression binaries (such as `xz` or `unpigz`) from the container\u0027s filesystem rather than the host\u0027s due to incorrect ordering of operations. A malicious container image containing a trojanized decompression binary can achieve arbitrary code execution with full daemon privileges, including host root UID and unrestricted capabilities, when a user uploads a compressed (xz or gzip) archive into that container. This issue is fixed in Docker Engine 29.5.1 and moby/moby v2.0.0-beta.14. Workarounds include only running containers from trusted images, using authorization plugins to restrict access to the `PUT /containers/{id}/archive` endpoint, and avoiding piping compressed archives into containers created from untrusted images",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.aarch64",
          "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.ppc64le",
          "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.s390x",
          "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.x86_64",
          "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.aarch64",
          "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.ppc64le",
          "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.s390x",
          "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-41567",
          "url": "https://www.suse.com/security/cve/CVE-2026-41567"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1267827 for CVE-2026-41567",
          "url": "https://bugzilla.suse.com/1267827"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.aarch64",
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.ppc64le",
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.s390x",
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.x86_64",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.aarch64",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.ppc64le",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.s390x",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.aarch64",
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.ppc64le",
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.s390x",
            "SUSE Linux Micro 6.2:docker-29.4.0_ce-160000.7.1.x86_64",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.aarch64",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.ppc64le",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.s390x",
            "SUSE Linux Micro 6.2:docker-buildx-0.33.0-160000.7.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-06-25T12:44:31Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-41567"
    }
  ]
}


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Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.