Signal
Critical vulnerability found in wolfSSL affecting ECDSA certificate verification
Evidence first: scan the strongest sources, then decide whether to go deeper.
Published 2026-04-13 17:32 UTCUpdated 2026-04-14 02:00 UTC
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cvesecurity_advisoryvulnerabilityincident_response
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Evidence trail (top sources)
top sources (2 domains)domains are deduped. counts indicate coverage, not truth.2 top sources shown
limited source diversity in top sources
Overview
Coverage discusses speculative scenarios for 2026; treat as market chatter and see linked sources.
Entities
wolfSSL
Score total
1.05
Momentum 24h
2
Posts
2
Origins
2
Source types
1
Duplicate ratio
0%
Why now
- wolfSSL publicly disclosed the vulnerability on April 9, 2026, with official fixes released.
- The Canadian Cyber Centre issued an advisory on April 13, 2026, urging prompt remediation.
- Timely patching is crucial to mitigate risks before exploit maturity is defined or attacks emerge.
Why it matters
- The vulnerability undermines ECDSA certificate authentication, a core security mechanism in SSL/TLS communications.
- High CVSS score (9.3) indicates critical risk requiring immediate patching to prevent exploitation.
- Widely used wolfSSL library users must update to avoid potential security breaches.
LLM analysis
Topic mix: lowPromo risk: lowSource quality: high
Recurring claims
- wolfSSL versions 3.12.0 to prior to 5.9.1 contain a critical vulnerability (CVE-2026-5194) involving missing hash/digest size and OID checks in ECDSA certificate verification.
How sources frame it
- Canadian Centre For Cyber Security: neutral
All evidence
All evidence
wolfSSL - Missing hash/digest size and OID checks
NCSC-FI - Vulnerabilities · github.com · 2026-04-14 02:00 UTC
wolfSSL security advisory (AV26-344)
Canadian Centre for Cyber Security - Alerts · cyber.gc.ca · 2026-04-13 17:32 UTC
Show filters & breakdown
Posts loaded: 0Publishers: 2Origin domains: 2Duplicates: -
Showing 2 / 0
Top publishers (this list)
- NCSC-FI - Vulnerabilities (1)
- Canadian Centre for Cyber Security - Alerts (1)
Top origin domains (this list)
- github.com (1)
- cyber.gc.ca (1)