OPENSUSE-SU-2026:11590-1

Vulnerability from csaf_opensuse - Published: 2026-08-24 00:00 - Updated: 2026-09-17 17:21
Summary
tor-0.4.9.11-1.1 on GA media
Severity
Moderate
Notes
Title of the patch: tor-0.4.9.11-1.1 on GA media
Description of the patch: These are all security issues fixed in the tor-0.4.9.11-1.1 package on the GA media of openSUSE Tumbleweed.
Patchnames: openSUSE-Tumbleweed-2026-11590
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: openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.aarch64
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.ppc64le
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.s390x
Vendor Fix
Unresolved product id: openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.x86_64
Vendor Fix
Threats
Impact important
Affected products
Recommended 4 products, the same list as for CVE-2026-77584
Threats
Impact important
Affected products
Recommended 4 products, the same list as for CVE-2026-77584
Threats
Impact critical

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      "revision_history": [
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          "number": "2",
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          "number": "3",
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  "vulnerabilities": [
    {
      "cve": "CVE-2026-77584",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-77584"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Tor before 0.4.9.10 did not reject a CONFLUX_LINK cell that arrives on a circuit which already has attached streams. A malicious client could send a RELAY_COMMAND_BEGIN before the CONFLUX_LINK on the same circuit, attaching an exit stream that would later end up orphan leaving a dangling circuit back-pointer and a use-after-free (UAF) when the circuit is freed. This is TROVE-2026-025.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.aarch64",
          "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.ppc64le",
          "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.s390x",
          "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-77584",
          "url": "https://www.suse.com/security/cve/CVE-2026-77584"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1275920 for CVE-2026-77584",
          "url": "https://bugzilla.suse.com/1275920"
        }
      ],
      "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:tor-0:0.4.9.11-1.1.aarch64",
            "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.ppc64le",
            "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.s390x",
            "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L",
            "version": "3.1"
          },
          "products": [
            "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.aarch64",
            "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.ppc64le",
            "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.s390x",
            "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-08-24T00:00:00Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-77584"
    },
    {
      "cve": "CVE-2026-77587",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-77587"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Tor before 0.4.9.11 is prone to a use-after-free (and potential double free) of a conflux object when a recovery leg revives a conflux set whose last linked leg has already been closed. A malicious exit node could use this to crash a client. This is TROVE-2026-026.",
          "title": "CVE description"
        }
      ],
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          "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.ppc64le",
          "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.s390x",
          "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.x86_64"
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      },
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          "summary": "CVE-2026-77587",
          "url": "https://www.suse.com/security/cve/CVE-2026-77587"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1275919 for CVE-2026-77587",
          "url": "https://bugzilla.suse.com/1275919"
        }
      ],
      "remediations": [
        {
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          "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:tor-0:0.4.9.11-1.1.aarch64",
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            "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.s390x",
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      ],
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          },
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            "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.ppc64le",
            "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.s390x",
            "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.x86_64"
          ]
        }
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          "date": "2026-08-24T00:00:00Z",
          "details": "important"
        }
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      "title": "CVE-2026-77587"
    },
    {
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        {
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          "text": "https://www.suse.com/security/cve/CVE-2026-77638"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Tor before 0.4.9.11 is prone to a race condition where in just the right circumstances a rendezvous point could man-in-the-middle (impersonate) the onion service that the client was trying to reach.",
          "title": "CVE description"
        }
      ],
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          "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.ppc64le",
          "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.s390x",
          "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-77638",
          "url": "https://www.suse.com/security/cve/CVE-2026-77638"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1275918 for CVE-2026-77638",
          "url": "https://bugzilla.suse.com/1275918"
        }
      ],
      "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:tor-0:0.4.9.11-1.1.aarch64",
            "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.ppc64le",
            "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.s390x",
            "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 9,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.aarch64",
            "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.ppc64le",
            "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.s390x",
            "openSUSE Tumbleweed:tor-0:0.4.9.11-1.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-08-24T00:00:00Z",
          "details": "critical"
        }
      ],
      "title": "CVE-2026-77638"
    }
  ]
}



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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.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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