Improper Handling of Alternate Encoding Affecting boostorg/locale package, versions [1.48.0-beta1,1.56.0)
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-BOOSTORGLOCALE-13109618
- published28 Sept 2025
- disclosed27 Nov 2012
- creditPeter Klotz
Introduced: 27 Nov 2012
CVE-2013-0252 (opens in a new tab)How to fix?
Upgrade boostorg/locale to version 1.56.0 or higher.
Overview
Affected versions of this package are vulnerable to Improper Handling of Alternate Encoding via boost::locale::utf::utf_traits in the /boost/locale/utf.hpp, which does not properly detect certain invalid UTF-8 sequences. A remote attacker can bypass input validation protection mechanisms via crafted trailing bytes.