CVE-2026-55995

NameCVE-2026-55995
DescriptionA Double Free vulnerability in open-iscsi allows an unauthenticated MITM attacker to cause DoS. This issue affects open-iscsi: from ? through 56718d4e9d1a4f51c30697b5c0534144bb41c9bb.
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)
Debian Bugs1143053

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
open-isns (PTS)bullseye0.100-3vulnerable
bookworm0.101-0.2vulnerable
trixie0.101-1vulnerable
forky, sid0.103-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
open-isnssource(unstable)0.103-21143053

Notes

[trixie] - open-isns <no-dsa> (Minor issue)
[bookworm] - open-isns <postponed> (minor issue)
[bullseye] - open-isns <postponed> (minor issue)
Fixed by: https://github.com/open-iscsi/open-isns/commit/56718d4e9d1a4f51c30697b5c0534144bb41c9bb

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