CVE-2026-19955 (GCVE-0-2026-19955)

Vulnerability from cvelistv5 – Published: 2026-08-16 20:00 – Updated: 2026-08-16 20:00
VLAI
Title
TrailDB TOC Validation tdb.c tdb_open out-of-bounds
Summary
A vulnerability was detected in TrailDB 0.6. Impacted is the function tdb_open of the file /src/tdb.c of the component TOC Validation. The manipulation results in out-of-bounds read. It is possible to launch the attack remotely. 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.
Severity
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
3.5 (Low)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
3.5 (Low)
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/391111 vdb-entrytechnical-description
https://vuldb.com/vuln/391111/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19955 third-party-advisory
https://vuldb.com/submit/872771 third-party-advisory
https://github.com/traildb/traildb/issues/149 exploitissue-tracking
https://github.com/traildb/traildb/ product
Impacted products
Vendor Product Version CPE status
n/a TrailDB Affected: 0.6
    cpe:2.3:a:traildb:traildb:*:*:*:*:*:*:*:*
Credits
Fantasy_2026 (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:traildb:traildb:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "TOC Validation"
          ],
          "product": "TrailDB",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "0.6"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Fantasy_2026 (VulDB User)"
        },
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          "lang": "en",
          "type": "coordinator",
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        }
      ],
      "metrics": [
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      "providerMetadata": {
        "dateUpdated": "2026-08-16T20:00:11.156Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
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      "references": [
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          "name": "VDB-391111 | TrailDB TOC Validation tdb.c tdb_open out-of-bounds",
          "tags": [
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            "technical-description"
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          "url": "https://vuldb.com/vuln/391111"
        },
        {
          "name": "VDB-391111 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/391111/cti"
        },
        {
          "name": "CVE-2026-19955 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-19955"
        },
        {
          "name": "Submit #872771 | TrailDB 0.6 Out-of-Bounds Read",
          "tags": [
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          ],
          "url": "https://vuldb.com/submit/872771"
        },
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          ],
          "url": "https://github.com/traildb/traildb/issues/149"
        },
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          "tags": [
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          "url": "https://github.com/traildb/traildb/"
        }
      ],
      "timeline": [
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          "lang": "en",
          "time": "2026-08-16T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-08-16T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-08-16T08:00:31.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "TrailDB TOC Validation tdb.c tdb_open out-of-bounds",
      "x_generator": [
        "VulDB PVTS v202608"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-19955",
    "datePublished": "2026-08-16T20:00:11.156Z",
    "dateReserved": "2026-08-16T05:55:25.488Z",
    "dateUpdated": "2026-08-16T20:00:11.156Z",
    "state": "PUBLISHED"
  },
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      "date": "2026-08-17",
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      "percentile": "0.21866"
    },
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  }
}



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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.

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.