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vulnerabilityCVE-2026-5504
Name
CVE-2026-5504
Source
NVD ( link)Debian ( link)
Description
A padding oracle exists in wolfSSL's PKCS7 CBC decryption that could allow an attacker to recover plaintext through repeated decryption queries with modified ciphertext. In previous versions of wolfSSL the interior padding bytes are not validated.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
wolfssl
Exploitable

Vulnerability Ratings#


6.3
CVSSv4
5.3
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