CVE-2026-28386

NameCVE-2026-28386
DescriptionOut-of-bounds read in AES-CFB-128 on X86-64 with AVX-512 support
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
openssl (PTS)bullseye1.1.1w-0+deb11u1fixed
bullseye (security)1.1.1w-0+deb11u5fixed
bookworm3.0.18-1~deb12u1fixed
bookworm (security)3.0.19-1~deb12u2fixed
trixie3.5.5-1~deb13u1fixed
trixie (security)3.5.5-1~deb13u2fixed
forky, sid3.6.1-3vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
opensslsourcebullseye(not affected)
opensslsourcebookworm(not affected)
opensslsourcetrixie(not affected)
opensslsource(unstable)(unfixed)

Notes

[trixie] - openssl <not-affected> (Vulnerable code introduced later)
[bookworm] - openssl <not-affected> (Vulnerable code introduced later)
[bullseye] - openssl <not-affected> (Vulnerable code introduced later)
https://openssl-library.org/news/secadv/20260407.txt

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