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OPENSUSE-SU-2026:21841-1

Vulnerability from csaf_opensuse - Published: 2026-09-14 13:24 - Updated: 2026-09-15 16:13
Summary
Security update for hauler
Severity
Critical
Notes
Title of the patch: Security update for hauler
Description of the patch: This update for hauler fixes the following issues: Changes in hauler: - update vendor.tar to fix: * bsc#1278584, CVE-2026-56855,CVE-2026-56854,CVE-2026-78662: hauler: golang.org/x/crypto/ssh: authentication bypass and deadlocks in the crypto/ssh library - update vendor.tar to fix: * bsc#1279416, CVE-2026-84304 * bsc#1279296, CVE-2026-84303 * bsc#1278934, CVE-2026-84445: google.golang.org/grpc: DoS via crash due to missing ':authority' and 'Host' headers Update to 2.1.0 (bsc#1265425, CVE-2026-41888).
Patchnames: openSUSE-Leap-16.0-packagehub-580
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-2026-41888
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Leap 16.0:hauler-2.1.0-bp160.3.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Leap 16.0:hauler-2.1.0-bp160.3.1.x86_64 —
Vendor Fix
Threats
Impact moderate
CVE-2026-56854
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Affected products
Recommended 2 products, the same list as for CVE-2026-41888
Threats
Impact important
CVE-2026-56855
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 2 products, the same list as for CVE-2026-41888
Threats
Impact important
CVE-2026-78662
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products
Recommended 2 products, the same list as for CVE-2026-41888
Threats
Impact important
CVE-2026-84303
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
Recommended 2 products, the same list as for CVE-2026-41888
Threats
Impact critical
CVE-2026-84304
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 2 products, the same list as for CVE-2026-41888
Threats
Impact important
CVE-2026-84445
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 2 products, the same list as for CVE-2026-41888
Threats
Impact important
References
To clipboard 

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          "date": "2026-09-14T13:24:33Z",
          "details": "critical"
        }
      ],
      "title": "CVE-2026-84303"
    },
    {
      "cve": "CVE-2026-84304",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-84304"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, internal/transport/transport.go stores each fragmented HTTP/2 DATA frame as a separate recvMsg in recvBuffer, so millions of one-byte frames can consume disproportionate heap memory even when payload bytes remain within connection and stream flow-control windows. An unauthenticated remote attacker can use concurrent multiplexed streams to exhaust process memory and cause a runtime panic or out-of-memory termination. Receive-buffer compaction is enabled by default and can be controlled temporarily with GRPC_GO_EXPERIMENTAL_ENABLE_RECEIVE_BUFFER_COMPACTION. This issue is fixed in version 1.83.1.",
          "title": "CVE description"
        }
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          "summary": "CVE-2026-84304",
          "url": "https://www.suse.com/security/cve/CVE-2026-84304"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1278271 for CVE-2026-84304",
          "url": "https://bugzilla.suse.com/1278271"
        }
      ],
      "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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      "scores": [
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          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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          "date": "2026-09-14T13:24:33Z",
          "details": "important"
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      ],
      "title": "CVE-2026-84304"
    },
    {
      "cve": "CVE-2026-84445",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-84445"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "gRPC-Go is the Go language implementation of gRPC. Prior to 1.82.2 and 1.83.2, servers created with xds.NewGRPCServer() allow internal/transport/http2_server.go to accept an RPC containing neither the :authority header nor the Host header, while RouteAndProcess in internal/xds/server/routing.go assumes that an authority value exists and indexes the empty slice. A remote client that can complete transport connection establishment can trigger an index-out-of-bounds panic that is not recovered by the per-RPC goroutine and terminates the entire server process. In insecure or ordinary TLS deployments the request can be unauthenticated, while strict mTLS or ALTS deployments require valid transport credentials before the malformed RPC can reach the interceptor. This issue is fixed in versions 1.82.2 and 1.83.2.",
          "title": "CVE description"
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          "category": "external",
          "summary": "CVE-2026-84445",
          "url": "https://www.suse.com/security/cve/CVE-2026-84445"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1278687 for CVE-2026-84445",
          "url": "https://bugzilla.suse.com/1278687"
        }
      ],
      "remediations": [
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          "category": "impact",
          "date": "2026-09-14T13:24:33Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-84445"
    }
  ]
}



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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.


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.