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CVE-2026-19955: Out-of-Bounds Read in TrailDB

0
Medium
VulnerabilityCVE-2026-19955cvecve-2026-19955
Published: 08/16/2026 (08/16/2026, 20:00:11 UTC)
Source: CVE Database V5
Product: TrailDB

Description

CVE-2026-19955 is a medium severity vulnerability in TrailDB version 0.6. It involves an out-of-bounds read in the tdb_open function within the TOC Validation component. The vulnerability can be exploited remotely and public exploit code is available. The project has been informed but has not yet responded or issued a fix.

CVSS v4.0

Score 5.1medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
Passive
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
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

Affected software

GitHub Actionsmore threats →ai
traildb/traildb
pkg:github/traildb/traildb
Affected versions
=0.6
CPE configurations
cpe:2.3:a:traildb:traildb:*:*:*:*:*:*:*:*

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/16/2026, 20:28:58 UTC

Technical Analysis

This vulnerability affects TrailDB 0.6 in the tdb_open function located in /src/tdb.c, specifically in the TOC Validation component. The flaw allows an attacker to cause an out-of-bounds read, which can be triggered remotely without user interaction. The vulnerability has a CVSS 4.0 base score of 5.1 (medium severity) and an exploit is publicly available. No official remediation or patch has been released by the vendor as of the publication date.

Potential Impact

An attacker can remotely trigger an out-of-bounds read in TrailDB 0.6, potentially leading to information disclosure or application instability. The vulnerability does not require privileges or user interaction but has limited impact as indicated by the medium CVSS score. There is no evidence of active exploitation in the wild at this time.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or vendor response is available, users should consider mitigating exposure by restricting access to the vulnerable service or applying other environment-specific controls until a patch is released.

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Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-08-16T05:55:25.488Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a821989bf8831d5399748d1

Added to database: 08/16/2026, 20:11:53 UTC

Last enriched: 08/16/2026, 20:28:58 UTC

Last updated: 08/17/2026, 00:47:03 UTC

Views: 10

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