Description

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.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "3.5",
  "pubDate": "2026-08-16T20:16:25.707Z",
  "pubdate": "2026-08-16T20:16:25.707Z",
  "executiveSummary": "An out-of-bounds read vulnerability has been identified in TrailDB version 0.6, specifically within the tdb_open function located in /src/tdb.c. The flaw resides in the Table of Contents (TOC) validation component of the software. Successful exploitation of this vulnerability can result in an out-of-bounds read condition, potentially leading to unauthorized information disclosure or application crashes.\nThe vulnerability is remotely exploitable, requiring no prior authentication or elevated privileges from an attacker, provided they can supply a maliciously crafted input file to the parsing routine. Public exploits are currently available, increasing the urgency for defensive measures. Because the project developers have not yet responded to early notifications via issue reports, official patches are currently unavailable.\nOrganizations utilizing TrailDB 0.6 face heightened risk exposure, as malicious actors can leverage the public exploit to probe memory structures or disrupt service availability. Remediation is complicated by the lack of an official vendor patch, necessitating compensating controls at the network and application boundaries.",
  "technicalDetails": "The vulnerability stems from improper validation of Table of Contents (TOC) data structures within the tdb_open function located in the /src/tdb.c source file of TrailDB version 0.6. Specifically, when processing a database file, the TOC validation logic fails to adequately bound-check internal offsets or size parameters supplied within the input data. This cryptographic or structural validation failure allows malicious or malformed metadata to define read boundaries that exceed the allocated buffer allocations.\nExploitation occurs remotely when an unauthenticated attacker provides a specially crafted TrailDB input file to an application utilizing the vulnerable tdb_open function. As the function parses the file headers and the TOC, it relies on unverified structural values to calculate memory read addresses. Because the bounds checking is deficient, the reading operation accesses memory regions outside the intended buffer boundaries. This out-of-bounds read payload behavior can expose sensitive heap contents or adjacent memory data back to the processing context, or trigger a segmentation fault that abruptly terminates the parsing process.\nThe attack flow proceeds as follows: First, the attacker crafts a malicious database file containing manipulated TOC metadata designed to trigger an out-of-bounds offset calculation during initialization. Second, the attacker transmits or exposes this file to a remote service or local utility that invokes the tdb_open function on the input. Third, the vulnerable parsing routine processes the malformed TOC without proper truncation or verification checks. Fourth, the memory read operation accesses unauthorized memory space adjacent to the target buffer. Finally, depending on how the application handles the returned data or crash state, the attacker achieves information disclosure or a denial of service."
}