CVE-2026-5392

NameCVE-2026-5392
DescriptionHeap out-of-bounds read in PKCS7 parsing. A crafted PKCS7 message can trigger an OOB read on the heap. The missing bounds check is in the indefinite-length end-of-content verification loop in PKCS7_VerifySignedData().
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
wolfssl (PTS)bullseye4.6.0+p1-0+deb11u2vulnerable
bookworm5.5.4-2+deb12u2vulnerable
trixie5.7.2-0.1+deb13u1vulnerable
forky, sid5.9.0-0.2vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wolfsslsource(unstable)(unfixed)

Notes

https://github.com/wolfssl/wolfssl/pull/10039
Fixed by (merge): https://github.com/wolfSSL/wolfssl/commit/49cbbab6b0372d78574ca822387898382cb41ed1 (v5.9.1-stable)

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