Medium severity5.3NVD Advisory· Published Dec 25, 2019· Updated Jun 17, 2026

CVE-2019-19963

Description

An issue was discovered in wolfSSL before 4.3.0 in a non-default configuration where DSA is enabled. DSA signing uses the BEEA algorithm during modular inversion of the nonce, leading to a side-channel attack against the nonce.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

wolfSSL/wolfSSLdescription
WolfSSL/Wolfsslllm-fuzzy2 versions
<4.3.0+ 1 more
- (no CPE)range: <4.3.0
- cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*range: <4.3.0

Patches

Vulnerability mechanics

References

github.com/wolfSSL/wolfssl/commit/7e391f0fd57f2ef375b1174d752a56ce34b2b190nvdPatchThird Party Advisory
github.com/wolfSSL/wolfssl/releases/tag/v4.3.0-stablenvdRelease NotesThird Party Advisory

News mentions

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cvss	0.345
epss	0.001
exploit	0.000
kev	0.000
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ransomware	0.000