Stack-based Buffer Overflow Affecting codechecker package, versions [,6.26.2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-CODECHECKER-13004615
- published23 Sept 2025
- disclosed22 Sept 2025
- creditBarnabás Domozi
Introduced: 22 Sep 2025
CVE-2025-40843 (opens in a new tab)How to fix?
Upgrade codechecker to version 6.26.2 or higher.
Overview
codechecker is an analyzer tooling, defect database and viewer extension
Affected versions of this package are vulnerable to Stack-based Buffer Overflow via the strcpy() function in the internal ldlogger library. An attacker can execute arbitrary code or cause a crash by supplying crafted input to the log command, which is processed without proper length checks on a stack-allocated buffer.