Use After Free Affecting libcurl package, versions [8.15.0,8.22.0)
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-LIBCURL-20158574
- published27 Sept 2026
- disclosed6 Sept 2026
- creditUnknown
Introduced: 6 Sep 2026
NewCVE-2026-80229 (opens in a new tab)How to fix?
Upgrade libcurl to version 8.22.0 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free in the multi process when pooled TLS connections outlive their originating easy handles. An attacker can cause a heap-use-after-free by triggering the destruction of an easy handle while an active connection still references its associated library context, leading to potential code execution or denial of service during subsequent I/O or post-handshake operations.