OPENSUSE-SU-2026:10473-1

Vulnerability from csaf_opensuse - Published: 2026-04-01 00:00 - Updated: 2026-09-17 16:59
Summary
dnsdist-2.0.3-1.1 on GA media
Severity
Moderate
Notes
Title of the patch: dnsdist-2.0.3-1.1 on GA media
Description of the patch: These are all security issues fixed in the dnsdist-2.0.3-1.1 package on the GA media of openSUSE Tumbleweed.
Patchnames: openSUSE-Tumbleweed-2026-10473
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-2026-0396
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.ppc64le —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.s390x —
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.x86_64 —
Vendor Fix
Threats
Impact low
CVE-2026-24028
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
Recommended 4 products, the same list as for CVE-2026-0396
Threats
Impact moderate
CVE-2026-24030
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
Recommended 4 products, the same list as for CVE-2026-0396
Threats
Impact moderate
CVE-2026-27854
4.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Affected products
Recommended 4 products, the same list as for CVE-2026-0396
Threats
Impact moderate
References
To clipboard 

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      "cve": "CVE-2026-0396",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-0396"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An attacker might be able to inject HTML content into the internal web dashboard by sending crafted DNS queries to a DNSdist instance where domain-based dynamic rules have been enabled via either DynBlockRulesGroup:setSuffixMatchRule or DynBlockRulesGroup:setSuffixMatchRuleFFI.",
          "title": "CVE description"
        }
      ],
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          "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.s390x",
          "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.x86_64"
        ]
      },
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        {
          "category": "external",
          "summary": "CVE-2026-0396",
          "url": "https://www.suse.com/security/cve/CVE-2026-0396"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1261236 for CVE-2026-0396",
          "url": "https://bugzilla.suse.com/1261236"
        }
      ],
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        {
          "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": [
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.aarch64",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.ppc64le",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.s390x",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.x86_64"
          ]
        }
      ],
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            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.aarch64",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.ppc64le",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.s390x",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-04-01T00:00:00Z",
          "details": "low"
        }
      ],
      "title": "CVE-2026-0396"
    },
    {
      "cve": "CVE-2026-24028",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-24028"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An attacker might be able to trigger an out-of-bounds read by sending a crafted DNS response packet, when custom Lua code uses newDNSPacketOverlay to parse DNS packets. The out-of-bounds read might trigger a crash, leading to a denial of service, or access unrelated memory, leading to potential information disclosure.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.aarch64",
          "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.ppc64le",
          "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.s390x",
          "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-24028",
          "url": "https://www.suse.com/security/cve/CVE-2026-24028"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1261238 for CVE-2026-24028",
          "url": "https://bugzilla.suse.com/1261238"
        }
      ],
      "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": [
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.aarch64",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.ppc64le",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.s390x",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "products": [
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.aarch64",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.ppc64le",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.s390x",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-04-01T00:00:00Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-24028"
    },
    {
      "cve": "CVE-2026-24030",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-24030"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An attacker might be able to trick DNSdist into allocating too much memory while processing DNS over QUIC or DNS over HTTP/3 payloads, resulting in a denial of service. In setups with a large quantity of memory available this usually results in an exception and the QUIC connection is properly closed, but in some cases the system might enter an out-of-memory state instead and terminate the process.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.aarch64",
          "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.ppc64le",
          "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.s390x",
          "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-24030",
          "url": "https://www.suse.com/security/cve/CVE-2026-24030"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1261240 for CVE-2026-24030",
          "url": "https://bugzilla.suse.com/1261240"
        }
      ],
      "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": [
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.aarch64",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.ppc64le",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.s390x",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
          "products": [
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.aarch64",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.ppc64le",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.s390x",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-04-01T00:00:00Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-24030"
    },
    {
      "cve": "CVE-2026-27854",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-27854"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An attacker might be able to trigger a use-after-free by sending crafted DNS queries to a DNSdist using the DNSQuestion:getEDNSOptions method in custom Lua code. In some cases DNSQuestion:getEDNSOptions might refer to a version of the DNS packet that has been modified, thus triggering a use-after-free and potentially a crash resulting in denial of service.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.aarch64",
          "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.ppc64le",
          "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.s390x",
          "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-27854",
          "url": "https://www.suse.com/security/cve/CVE-2026-27854"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1261243 for CVE-2026-27854",
          "url": "https://bugzilla.suse.com/1261243"
        }
      ],
      "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": [
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.aarch64",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.ppc64le",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.s390x",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L",
            "version": "3.1"
          },
          "products": [
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.aarch64",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.ppc64le",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.s390x",
            "openSUSE Tumbleweed:dnsdist-0:2.0.3-1.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-04-01T00:00:00Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-27854"
    }
  ]
}



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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.



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.