Unrated severityNVD Advisory· Published Jan 27, 2012· Updated Jun 16, 2026
CVE-2011-4354
CVE-2011-4354
Description
crypto/bn/bn_nist.c in OpenSSL before 0.9.8h on 32-bit platforms, as used in stunnel and other products, in certain circumstances involving ECDH or ECDHE cipher suites, uses an incorrect modular reduction algorithm in its implementation of the P-256 and P-384 NIST elliptic curves, which allows remote attackers to obtain the private key of a TLS server via multiple handshake attempts.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
60cpe:2.3:a:openssl:openssl:0.9.1c:*:*:*:*:*:x86:*+ 59 more
- cpe:2.3:a:openssl:openssl:0.9.1c:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.2b:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.3a:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.3:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.4:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.5a:beta1:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.5a:beta2:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.5a:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.5:beta1:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.5:beta2:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.5:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6a:beta1:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6a:beta2:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6a:beta3:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6a:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6:beta1:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6:beta2:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6:beta3:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6b:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6c:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6d:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6e:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6f:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6g:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6h:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6i:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6j:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6k:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6l:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6m:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.6:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7a:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7:beta1:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7:beta2:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7:beta3:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7:beta4:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7:beta5:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7:beta6:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7b:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7c:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7d:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7e:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7f:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7g:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7h:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7i:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7j:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7k:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7l:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7m:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.7:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.8c:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.8d:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.8e:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.8f:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:x86:*
- cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:x86:*range: <=0.9.8g
- (no CPE)range: <0.9.8h
Patches
Vulnerability mechanics
References
8News mentions
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