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CVE-2026-41677

CRITICAL · CVSS 9.1 EPSS 0.14% Public Exploit

Source: NVD + CISA KEV + EPSS · Published: 2026-04-24 · Last synced: 2026-05-24

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Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-41677
Severity
CRITICAL
CVSS
9.1
EPSS
0.14%
OpenSSL

Original NVD Description

rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.0 to before 0.10.78, the *_from_pem_callback APIs did not validate the length returned by the user's callback. A password callback that returns a value larger than the buffer it was given can cause some versions of OpenSSL to over-read this buffer. OpenSSL 3.x is not affected by this. This vulnerability is fixed in 0.10.78.