yocto ▾
›
kirkstone ▾
›
vulnerability
›
CVE-2026-5447
Component Overview
Vulnerability Overview
Name
CVE-2026-5447
Source
NVD (
link
)
Debian (
link
)
Description
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.
CWEs
CWE-122
Published Date
Apr 9, 2026
Updated Date
Jun 17, 2026
Workaround
-
Advisories
https://github.com/wolfSSL/wolfssl/pull/10112
Issue Tracking
Analysis
#
Affected Component
Analysis
wolfssl
Exploitable
Vulnerability Ratings
#
6.3
CVSSv4
7.5
CVSSv31
NaN
other
Others affected components
#
Name
Project
Project Version
Version
Status
wolfssl
buildroot
2025.02.x
5.9.1
Not Affected
wolfssl
buildroot
master
5.9.1
Not Affected
wolfssl
openwrt
master
5.9.1-r1
Not Affected
wolfssl
openwrt
openwrt-25.12
5.9.1-r1
Not Affected
wolfssl
yocto
master
5.9.1
Not Affected
wolfssl
yocto
scarthgap
5.7.2
Exploitable