Search: CVE-2026-27459

1 threat

Severity	CVSS	Signals	Threat	Source	Published	Score and star
High	7.2	EPSS 0.7%	CVE-2026-27459pyca pyopenssl · Classic Buffer Overflow High7.2EPSS 0.7%2026-03-17CVE Database V5CVE-2026-27459 pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 22.0.0 and prior to version 26.0.0, if a user provided callback to `set_cookie_generate_callback` returned a cookie value greater than 256 bytes, pyOpenSSL would overflow an OpenSSL provided buffer. Starting in version 26.0.0, cookie values that are too long are now rejected. EPSS 0.7%Vulnerability CWE-120	CVE Database V5	2026-03-17

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