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vulnerabilityCVE-2026-5263
Name
CVE-2026-5263
Source
NVD ( link)Debian ( link)
Description
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.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
wolfssl
Exploitable

Vulnerability Ratings#


7
CVSSv4
6.5
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
5.9.1
Not Affected
buildroot
master
5.9.1
Not Affected
openwrt
master
5.9.1-r1
Not Affected
openwrt
openwrt-25.12
5.9.1-r1
Not Affected
yocto
master
5.9.1
Not Affected
yocto
scarthgap
5.7.2
Exploitable