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JLSEC-2026-754 Low 1.0

The PKCS#7 decode path ignores the caller-supplied output buffer size (outputSz), allowing decoded...

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JLSEC Published
Modified
Severity
CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear
Affected Packages
wolfSSL_jll < 5.9.2+0
Upstream
CVE-2026-6681 GHSA-6q89-vxvr-wgv2 EUVD-2026-39556

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.

References