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CVE-2026-6678
Component Overview
Vulnerability Overview
Name
CVE-2026-6678
Source
NVD (
link
)
Debian (
link
)
Description
Integer underflow in wc_PKCS7_DecryptOri when handling crafted Other Recipient Info, leading to incorrect length handling during decryption.
CWEs
CWE-191
Published Date
Jun 25, 2026
Updated Date
Jul 1, 2026
Workaround
-
Advisories
https://github.com/wolfSSL/wolfssl/pull/10203
Issue Tracking
https://www.wolfssl.com/docs/security-vulnerabilities/
Vendor Advisory
Analysis
#
Affected Component
Analysis
wolfssl
Exploitable
Vulnerability Ratings
#
1
CVSSv4
5.3
CVSSv31
NaN
other
Others affected components
#
Name
Project
Project Version
Version
Status
wolfssl
buildroot
2025.02.x
5.9.2
Not Affected
wolfssl
buildroot
master
5.9.2
Not Affected
wolfssl
openwrt
master
5.9.2-r1
Not Affected
wolfssl
openwrt
openwrt-25.12
5.9.2-r1
Not Affected
wolfssl
yocto
master
5.9.2
Not Affected
wolfssl
yocto
scarthgap
5.7.2
Exploitable