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CVE-2026-55995

CVE-2026-55995 · Double-free in the iSNS attribute decoder in open-iscsi

This page contains facts from public vulnerability sources. Check the original advisory before updating.

A Double Free vulnerability in open-iscsi allows an unauthenticated MITM attacker to cause DoS. This issue affects open-iscsi: from ? through 56718d4e9d1a4f51c30697b5c0534144bb41c9bb.

CVSS 8.7 · High · EPSS 0.3% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • open-iscsi

    Versions
    • ≥ ?, ≤ 56718d4e9d1a4f51c30697b5c0534144bb41c9bb: Affected (git)

    No fix published

  • open-isns Debian:12

    Versions
    • 0.101-0.2
    • 0.101-0.3
    • 0.101-0.3~exp1
    • 0.101-1
    • 0.101-2
    • 0.101-2.1
    • 0.103-1
    • 0.103-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • open-isns Debian:13

    Versions
    • 0.101-1
    • 0.101-2
    • 0.101-2.1
    • 0.103-1
    • 0.103-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • open-isns Debian:14

    Versions
    • 0.101-1
    • 0.101-2
    • 0.101-2.1
    • 0.103-1
    Affected ranges
    • ECOSYSTEM: < 0.103-2

    Update to 0.103-2

  • open-iscsi Ubuntu:14.04:LTS

    Versions
    • 2.0.873-3ubuntu7
    • 2.0.873-3ubuntu8
    • 2.0.873-3ubuntu9
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • open-iscsi Ubuntu:Pro:16.04:LTS

    Versions
    • 2.0.873-3ubuntu13
    • 2.0.873+git0.3b4b4500-13ubuntu3
    • 2.0.873+git0.3b4b4500-14ubuntu1
    • 2.0.873+git0.3b4b4500-14ubuntu3
    • 2.0.873+git0.3b4b4500-14ubuntu3.1
    • 2.0.873+git0.3b4b4500-14ubuntu3.2
    • 2.0.873+git0.3b4b4500-14ubuntu3.3
    • 2.0.873+git0.3b4b4500-14ubuntu3.4
    • 2.0.873+git0.3b4b4500-14ubuntu3.5
    • 2.0.873+git0.3b4b4500-14ubuntu3.6
    • 2.0.873+git0.3b4b4500-14ubuntu3.7
    • 2.0.873+git0.3b4b4500-14ubuntu3.7+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • open-iscsi Ubuntu:Pro:18.04:LTS

    Versions
    • 2.0.874-4ubuntu3
    • 2.0.874-4ubuntu4
    • 2.0.874-4ubuntu5
    • 2.0.874-5ubuntu1
    • 2.0.874-5ubuntu2
    • 2.0.874-5ubuntu2.1
    • 2.0.874-5ubuntu2.2
    • 2.0.874-5ubuntu2.3
    • 2.0.874-5ubuntu2.4
    • 2.0.874-5ubuntu2.6
    • 2.0.874-5ubuntu2.7
    • 2.0.874-5ubuntu2.9
    • 2.0.874-5ubuntu2.10
    • 2.0.874-5ubuntu2.11
    • 2.0.874-5ubuntu2.11+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • open-isns Ubuntu:Pro:18.04:LTS

    Versions
    • 0.97-2
    • 0.97-2build1
    Affected ranges
    • ECOSYSTEM: < 0.97-2ubuntu0.1~esm1

    Update to 0.97-2ubuntu0.1~esm1

  • open-iscsi Ubuntu:20.04:LTS

    Versions
    • 2.0.874-7.1ubuntu3
    • 2.0.874-7.1ubuntu5
    • 2.0.874-7.1ubuntu6
    • 2.0.874-7.1ubuntu6.1
    • 2.0.874-7.1ubuntu6.2
    • 2.0.874-7.1ubuntu6.3
    • 2.0.874-7.1ubuntu6.4
    • 2.0.874-7.1ubuntu6.5
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • open-isns Ubuntu:Pro:20.04:LTS

    Versions
    • 0.97-3
    Affected ranges
    • ECOSYSTEM: < 0.97-3ubuntu0.1~esm1

    Update to 0.97-3ubuntu0.1~esm1

  • open-iscsi Ubuntu:22.04:LTS

    Versions
    • 2.1.4-0ubuntu1
    • 2.1.4-0ubuntu2
    • 2.1.4-0ubuntu3
    • 2.1.4-0ubuntu4
    • 2.1.5-1ubuntu1
    • 2.1.5-1ubuntu1.1
    • 2.1.5-1ubuntu1.3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • open-isns Ubuntu:22.04:LTS

    Versions
    • 0.100-3ubuntu3
    • 0.100-3ubuntu4
    • 0.100-3ubuntu5
    • 0.101-0ubuntu1
    • 0.101-0ubuntu2
    Affected ranges
    • ECOSYSTEM: < 0.101-0ubuntu2.1

    Update to 0.101-0ubuntu2.1

  • open-iscsi Ubuntu:24.04:LTS

    Versions
    • 2.1.8-1ubuntu2
    • 2.1.9-3ubuntu1
    • 2.1.9-3ubuntu2
    • 2.1.9-3ubuntu3
    • 2.1.9-3ubuntu4
    • 2.1.9-3ubuntu5.1
    • 2.1.9-3ubuntu5.2
    • 2.1.9-3ubuntu5.3
    • 2.1.9-3ubuntu5.4
    • 2.1.9-3ubuntu5.5
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • open-isns Ubuntu:24.04:LTS

    Versions
    • 0.101-0.2
    • 0.101-0.3
    • 0.101-0.3build1
    • 0.101-0.3build2
    • 0.101-0.3build3
    Affected ranges
    • ECOSYSTEM: < 0.101-0.3ubuntu0.1

    Update to 0.101-0.3ubuntu0.1

  • open-iscsi Ubuntu:26.10

    Versions
    • 2.1.11-3ubuntu3
    • 2.1.11-5ubuntu1
    • 2.1.11-5ubuntu4
    • 2.1.11-5ubuntu5
    • 2.1.11-5ubuntu6
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • open-iscsi Ubuntu:26.04:LTS

    Versions
    • 2.1.11-1ubuntu3
    • 2.1.11-3ubuntu1
    • 2.1.11-3ubuntu2
    • 2.1.11-3ubuntu3
    • 2.1.11-3ubuntu3.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • open-isns Ubuntu:26.04:LTS

    Versions
    • 0.101-1
    • 0.101-1build1
    • 0.101-2
    • 0.101-2.1
    Affected ranges
    • ECOSYSTEM: < 0.101-2.1ubuntu0.1

    Update to 0.101-2.1ubuntu0.1

Original sources

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