VDB
CVE-2026-5447
CVE-2026-5447
PUBLISHED
CVSS 6.300000190734863 MEDIUM
Heap buffer overflow in CertFromX509 via AuthorityKeyIdentifier size confusion. A heap buffer overflow occurs when converting an X.509 certificate internally due to incorrect size handling of the AuthorityKeyIdentifier extension.
EPSS 0.03% · 10.6th percentile
Risk Scores
CVSS v4.0
6.300000190734863
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS Score
0.03%
10.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| wolfSSL | wolfSSL | 0 |
Timeline
- Apr 9, 2026 CVE Published
- Apr 10, 2026 EPSS Score
- Apr 10, 2026 Security Advisory
- Apr 10, 2026 CVE Updated
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score