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CVE-2026-6681

wolfSSL

Description

The PKCS#7 decode path ignores the caller-supplied output buffer size (outputSz), allowing decoded content to be written past the bounds of the provided buffer. This affects wolfSSL 5.9.0 and earlier and was fixed in the 5.9.1 release.

CVSS 5.3EPSS 0.257%Risk 0.54
View source
Published
2026-06-25 21:16:28
Affected versions
<=5.9.0
Type
Critical software
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N