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.

INFO

Published Date :

2026-04-09T22:33:42.179Z

Last Modified :

2026-04-14T14:34:40.546Z

Source :

wolfSSL
AFFECTED PRODUCTS

The following products are affected by CVE-2026-5504 vulnerability.

Vendors Products
Wolfssl
  • Wolfssl
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-5504.

URL Resource
https://github.com/wolfSSL/wolfssl/pull/10088 cve-icon cve-icon
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CVSS Vulnerability Scoring System

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Detailed values of each vector for above chart.
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