{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-1991",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-06T20:24:58.826447Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-06T20:25:08.368Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "UVC Descriptor Handler"
          ],
          "product": "libuvc",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "0.0.1"
            },
            {
              "status": "affected",
              "version": "0.0.2"
            },
            {
              "status": "affected",
              "version": "0.0.3"
            },
            {
              "status": "affected",
              "version": "0.0.4"
            },
            {
              "status": "affected",
              "version": "0.0.5"
            },
            {
              "status": "affected",
              "version": "0.0.6"
            },
            {
              "status": "affected",
              "version": "0.0.7"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Oneafter (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was detected in libuvc up to 0.0.7. Affected is the function uvc_scan_streaming of the file src/device.c of the component UVC Descriptor Handler. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 1.7,
            "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-476",
              "description": "NULL Pointer Dereference",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-404",
              "description": "Denial of Service",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-23T09:21:46.700Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-344509 | libuvc UVC Descriptor device.c uvc_scan_streaming null pointer dereference",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.344509"
        },
        {
          "name": "VDB-344509 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.344509"
        },
        {
          "name": "Submit #743388 | libuvc v0.0.7 and master-branch NULL Pointer Dereference",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.743388"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/libuvc/libuvc/issues/300"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/oneafter/0104/blob/main/repro"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/libuvc/libuvc/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-02-05T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-02-05T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-02-07T13:18:57.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "libuvc UVC Descriptor device.c uvc_scan_streaming null pointer dereference"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-1991",
    "datePublished": "2026-02-06T05:32:08.140Z",
    "dateReserved": "2026-02-05T15:43:47.726Z",
    "dateUpdated": "2026-02-23T09:21:46.700Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}