CVE-2026-5263
No fix known EPSS <1%CVSS 7.0
URI nameConstraints from constrained intermediate CAs are parsed but not enforced during certificate chain verification in wolfcrypt/src/asn.c. A compromised or malicious sub-CA could issue leaf certificates with URI SAN entries that violate the nameConstraints of the issuing CA, and wolfSSL would accept them as valid.
Products: wolfssl
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | wolfssl | no fix |
| Debian 13 | wolfssl | no fix |
| Ubuntu 16.04 LTS | wolfssl | no fix |
| Ubuntu 18.04 LTS | wolfssl | no fix |
| Ubuntu 20.04 LTS | wolfssl | no fix |
| Ubuntu 22.04 LTS | wolfssl | no fix |
| Ubuntu 24.04 LTS | wolfssl | no fix |
| Ubuntu 25.10 | wolfssl | no fix |
| Ubuntu 26.04 LTS | wolfssl | no fix |
| Ubuntu 26.10 | wolfssl | no fix |