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CVE-2026-41676

CRITICAL · CVSS 9.8 EPSS %0.06 Public Exploit

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-04-24T18:16:29.120 · Çekilme zamanı: 2026-05-24T18:00:53.959194+00:00

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Public Exploit Sinyali

Bu CVE için açıklama veya referanslarda public exploit / PoC / GitHub / Metasploit sinyali tespit edildi.

GitHub PoC Linkleri

Not: Bu bağlantılar yalnızca güvenlik araştırması ve doğrulama amacıyla listelenmiştir.

CVE
CVE-2026-41676
Severity
CRITICAL
CVSS
9.8
EPSS
%0.06
OpenSSL

Orijinal NVD Açıklaması

rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.27 to before 0.10.78, Deriver::derive (and PkeyCtxRef::derive) sets len = buf.len() and passes it as the in/out length to EVP_PKEY_derive, relying on OpenSSL to honor it. On OpenSSL 1.1.x, X25519, X448, DH and HKDF-extract ignore the incoming *keylen, unconditionally writing the full shared secret (32/56/prime-size bytes). A caller passing a short slice gets a heap/stack overflow from safe code. OpenSSL 3.x providers do check, so this only impacts older OpenSSL. This vulnerability is fixed in 0.10.78.