CVE-2026-5504

N/A

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.

CVE Details

CVSS v3.1 ScoreN/A

Published4/9/2026

Last Modified4/13/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-354

References

https://github.com/wolfSSL/wolfssl/pull/10088(facts@wolfssl.com)

IOC Correlations

No correlations recorded

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