PT-2026-52586 · Wolfssl · Wolfssl

Dikai Zou · Published 2026-06-25 · Updated 2026-06-25 · CVE-2026-6678

X.com · Cvenew

CVSS v4.0

1.0

Low

Base vector

AV:L/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/U:Clear

CVE-2026-6678 Integer underflow in wc PKCS7 DecryptOri when handling crafted Other Recipient Info, leading to incorrect length handling during decryption. https://t.co/UF4atFzn0L

Fix

Integer Underflow

Weakness Enumeration

CWE-191

Related Identifiers

CVE-2026-6678

Affected Products

Wolfssl

References · 5

• https://github.com/wolfSSL/wolfssl/pull/10203 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-6678 · Security Note
• https://twitter.com/CVEnew/status/2070266086000386166 · Twitter Post
• https://twitter.com/infoflowcloud/status/2070267384024187305 · Twitter Post
• https://wolfssl.com/docs/security-vulnerabilities · Note