Reachable Assertion Affecting boostorg/regex package, versions [,1.40.0)
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-UNMANAGED-BOOSTORGREGEX-13109601
- published28 Sept 2025
- disclosed17 Jan 2008
- creditWill Drewry
Introduced: 17 Jan 2008
CVE-2008-0171 (opens in a new tab)How to fix?
Upgrade boostorg/regex to version 1.40.0 or higher.
Overview
Affected versions of this package are vulnerable to Reachable Assertion via perl_matcher_non_recursive.hpp when processing regular expressions. A remote attacker could provide specially crafted regular expressions to an application using Boost, resulting in a denial of service.