Use of Uninitialized Resource Affecting libssh2 package, versions [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-CONAN-LIBSSH2-17669874
- published29 Jun 2026
- disclosed28 Jun 2026
- creditUnknown
Introduced: 28 Jun 2026
CVE-2026-58051 (opens in a new tab)How to fix?
There is no fixed version for libssh2.
Overview
Affected versions of this package are vulnerable to Use of Uninitialized Resource in the cleanup process of the publickey list when a parse failure occurs. An attacker can cause memory corruption or a denial of service by sending a malformed response from a malicious SSH server that triggers the freeing of an uninitialized, attacker-controlled pointer.