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Security Advisories

CVE-2026-80229

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-80229

Severity

7.5

High

CVSS V3

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Summary

OpenSSL provider use-after-free

Description

When performing transfers via libcurl’s multi interface, pooled TLS connections can outlive their originating easy handles. In OpenSSL 3 provider configurations, libcurl attaches an allocated library context to the easy handle's state and passes it to OpenSSL without acquiring an ownership reference; destroying the easy handle prematurely frees this context while the active connection retains a dangling pointer, leading to a heap-use-after-free upon subsequent I/O or post-handshake operations.

References

Affected packages


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