Vulnerability-Lookup

GHSA-M47Q-4224-6RVC

Vulnerability from github – Published: 2026-05-07 06:31 – Updated: 2026-05-07 06:31

Details

Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007.

Severity ?

3.7 (Low)


                  
                    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

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{
  "affected": [],
  "aliases": [
    "CVE-2026-44603"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-193"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-07T04:16:35Z",
    "severity": "LOW"
  },
  "details": "Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007.",
  "id": "GHSA-m47q-4224-6rvc",
  "modified": "2026-05-07T06:31:42Z",
  "published": "2026-05-07T06:31:42Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44603"
    },
    {
      "type": "WEB",
      "url": "https://forum.torproject.org/c/news/tor-release-announcement/28"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.torproject.org/tpo/core/tor/-/commit/1703df3d439c83c2184e259fad1cfa19240f9c89"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.torproject.org/tpo/core/tor/-/work_items/41245"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2026/05/06/8"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-44603 (GCVE-0-2026-44603)

Vulnerability from cvelistv5 – Published: 2026-05-07 03:21 – Updated: 2026-05-07 14:58

Summary

Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007.

Severity ?

3.7 (Low)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE

CWE-193 - Off-by-one Error

Assigner

mitre

References

4 references

URL	Tags
https://forum.torproject.org/c/news/tor-release-a…
https://www.openwall.com/lists/oss-security/2026/…
https://gitlab.torproject.org/tpo/core/tor/-/work…
https://gitlab.torproject.org/tpo/core/tor/-/comm…

Impacted products

1 product

Vendor	Product	Version
torproject	Tor	Affected: 0 , < 0.4.9.7 (custom)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-44603",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-07T14:01:38.415268Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-07T14:58:13.900Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Tor",
          "vendor": "torproject",
          "versions": [
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              "lessThan": "0.4.9.7",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
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          "nodes": [
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                  "criteria": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "0.4.9.7",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
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          "lang": "en",
          "value": "Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
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          },
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          "scenarios": [
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      "problemTypes": [
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          "descriptions": [
            {
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              "lang": "en",
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      "providerMetadata": {
        "dateUpdated": "2026-05-07T03:36:57.931Z",
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      "references": [
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          "url": "https://forum.torproject.org/c/news/tor-release-announcement/28"
        },
        {
          "url": "https://www.openwall.com/lists/oss-security/2026/05/06/8"
        },
        {
          "url": "https://gitlab.torproject.org/tpo/core/tor/-/work_items/41245"
        },
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          "url": "https://gitlab.torproject.org/tpo/core/tor/-/commit/1703df3d439c83c2184e259fad1cfa19240f9c89"
        }
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      "x_generator": {
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-44603",
    "datePublished": "2026-05-07T03:21:24.822Z",
    "dateReserved": "2026-05-07T03:21:24.363Z",
    "dateUpdated": "2026-05-07T14:58:13.900Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

GHSA-M47Q-4224-6RVC

CVE-2026-44603 (GCVE-0-2026-44603)

Tags

Sightings

Nomenclature