Out-of-bounds Read Affecting libcurl package, versions [,8.9.1)
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-CONAN-LIBCURL-10076479
- published8 May 2025
- disclosed24 Jul 2024
- creditz2_
Introduced: 24 Jul 2024
CVE-2024-6874 (opens in a new tab)How to fix?
Upgrade libcurl to version 8.9.1 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Read due to the improper handling of a buffer during the punycode conversion process in the curl_url_get function, by providing a specially crafted input of exactly 256 bytes.
Note: This is only exploitable if the system is configured to use the macidn IDN backend.