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CVE-2026-47895

CVE-2026-47895

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

In strongSwan before 6.0.7, identity parsing/cloning is mishandled. Parsed EAP-Identities that result in an empty but non-NULL encoding are not correctly cloned and trigger a double-free once the duplicates are destroyed.

CVSS 7.5 · High · EPSS 0.4% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • strongswan

    Versions
    • ≥ 4.3.3, < 6.0.7: Affected (semver)

    Update to 6.0.7

  • strongswan Debian:12

    Versions
    • 5.9.8-5
    • 5.9.8-5+deb12u1
    • 5.9.8-5+deb12u2
    • 5.9.8-5+deb12u3
    • 5.9.8-5+deb12u4
    Affected ranges
    • ECOSYSTEM: < 5.9.8-5+deb12u5

    Update to 5.9.8-5+deb12u5

  • strongswan Debian:13

    Versions
    • 6.0.1-6
    • 6.0.1-6+deb13u1
    • 6.0.1-6+deb13u2
    • 6.0.1-6+deb13u4
    • 6.0.1-6+deb13u5
    Affected ranges
    • ECOSYSTEM: < 6.0.1-6+deb13u6

    Update to 6.0.1-6+deb13u6

  • strongswan Debian:14

    Versions
    • 6.0.1-6
    • 6.0.2-1
    • 6.0.3-1
    • 6.0.4-1
    • 6.0.5-1
    • 6.0.6-1
    Affected ranges
    • ECOSYSTEM: < 6.0.7-1

    Update to 6.0.7-1

  • strongswan Ubuntu:Pro:14.04:LTS

    Versions
    • 4.6.4-9
    • 5.1.0-2
    • 5.1.0-3
    • 5.1.1-0ubuntu1
    • 5.1.1-0ubuntu2
    • 5.1.1-0ubuntu3
    • 5.1.1-0ubuntu4
    • 5.1.1-0ubuntu5
    • 5.1.1-0ubuntu7
    • 5.1.1-0ubuntu14
    • 5.1.1-0ubuntu17
    • 5.1.2~dr3+git20130120-0ubuntu2
    • 5.1.2~dr3+git20130120-0ubuntu3
    • 5.1.2~rc1-0ubuntu3
    • 5.1.2~rc1-0ubuntu4
    • 5.1.2~rc2-0ubuntu2
    • 5.1.2-0ubuntu1
    • 5.1.2-0ubuntu2
    • 5.1.2-0ubuntu2.2
    • 5.1.2-0ubuntu2.3
    • 5.1.2-0ubuntu2.4
    • 5.1.2-0ubuntu2.5
    • 5.1.2-0ubuntu2.6
    • 5.1.2-0ubuntu2.7
    • 5.1.2-0ubuntu2.8
    • 5.1.2-0ubuntu2.10
    • 5.1.2-0ubuntu2.11
    • 5.1.2-0ubuntu2.11+esm1
    • 5.1.2-0ubuntu2.11+esm2
    • 5.1.2-0ubuntu2.11+esm3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • strongswan Ubuntu:Pro:16.04:LTS

    Versions
    • 5.1.2-0ubuntu6
    • 5.1.2-0ubuntu7
    • 5.1.2-0ubuntu8
    • 5.3.5-1ubuntu1
    • 5.3.5-1ubuntu2
    • 5.3.5-1ubuntu3
    • 5.3.5-1ubuntu3.1
    • 5.3.5-1ubuntu3.2
    • 5.3.5-1ubuntu3.3
    • 5.3.5-1ubuntu3.4
    • 5.3.5-1ubuntu3.5
    • 5.3.5-1ubuntu3.7
    • 5.3.5-1ubuntu3.8
    • 5.3.5-1ubuntu3.8+esm1
    • 5.3.5-1ubuntu3.8+esm2
    • 5.3.5-1ubuntu3.8+esm3
    • 5.3.5-1ubuntu3.8+esm4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • strongswan Ubuntu:Pro:FIPS-updates:16.04:LTS

    Versions
    • 5.3.5-1ubuntu3.fips.3.4.1
    • 5.3.5-1ubuntu3.fips.3.4.2
    • 5.3.5-1ubuntu3.fips.3.8.1
    • 5.3.5-1ubuntu3.fips.3.8.2
    • 5.3.5-1ubuntu3.fips.3.8.3
    • 5.3.5-1ubuntu3.fips.3.8.6
    • 5.3.5-1ubuntu3.fips.3.8.7
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • strongswan Ubuntu:Pro:FIPS:16.04:LTS

    Versions
    • 5.3.5-1ubuntu3.fips.3.1
    • 5.3.5-1ubuntu3.fips.3.2
    • 5.3.5-1ubuntu3.fips.3.3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • strongswan Ubuntu:Pro:18.04:LTS

    Versions
    • 5.5.1-4ubuntu2
    • 5.5.1-4ubuntu3
    • 5.6.1-2ubuntu1
    • 5.6.1-2ubuntu2
    • 5.6.1-2ubuntu3
    • 5.6.1-2ubuntu4
    • 5.6.2-1ubuntu2
    • 5.6.2-1ubuntu2.2
    • 5.6.2-1ubuntu2.3
    • 5.6.2-1ubuntu2.4
    • 5.6.2-1ubuntu2.5
    • 5.6.2-1ubuntu2.6
    • 5.6.2-1ubuntu2.7
    • 5.6.2-1ubuntu2.8
    • 5.6.2-1ubuntu2.9
    • 5.6.2-1ubuntu2.9+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • strongswan Ubuntu:Pro:FIPS-updates:18.04:LTS

    Versions
    • 5.6.2-1ubuntu2.fips.2.5.1
    • 5.6.2-1ubuntu2.fips.2.7.1
    • 5.6.2-1ubuntu2.fips.2.7.2
    • 5.6.2-1ubuntu2.fips.2.8.1
    • 5.6.2-1ubuntu2.fips.2.9
    • 5.6.2-1ubuntu2.fips.2.9+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • strongswan Ubuntu:Pro:FIPS:18.04:LTS

    Versions
    • 5.6.2-1ubuntu2.fips.2.4.2
    • 5.6.2-1ubuntu2.fips.2.5.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • strongswan Ubuntu:20.04:LTS

    Versions
    • 5.7.2-1ubuntu3
    • 5.8.1-1ubuntu1
    • 5.8.2-1ubuntu1
    • 5.8.2-1ubuntu2
    • 5.8.2-1ubuntu3
    • 5.8.2-1ubuntu3.1
    • 5.8.2-1ubuntu3.2
    • 5.8.2-1ubuntu3.3
    • 5.8.2-1ubuntu3.4
    • 5.8.2-1ubuntu3.5
    • 5.8.2-1ubuntu3.6
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • strongswan Ubuntu:Pro:FIPS-updates:20.04:LTS

    Versions
    • 5.8.2-1ubuntu3.fips.3.1.2
    • 5.8.2-1ubuntu3.fips.3.3.1
    • 5.8.2-1ubuntu3.fips.3.4.1
    • 5.8.2-1ubuntu3.fips.3.5
    • 5.8.2-1ubuntu3.fips.3.6
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • strongswan Ubuntu:Pro:FIPS:20.04:LTS

    Versions
    • 5.8.2-1ubuntu3.fips.3.1.2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • strongswan Ubuntu:22.04:LTS

    Versions
    • 5.9.1-1ubuntu3
    • 5.9.1-1ubuntu3.1
    • 5.9.4-1ubuntu1
    • 5.9.4-1ubuntu2
    • 5.9.4-1ubuntu3
    • 5.9.4-1ubuntu4
    • 5.9.5-2ubuntu1
    • 5.9.5-2ubuntu2
    • 5.9.5-2ubuntu2.1
    • 5.9.5-2ubuntu2.2
    • 5.9.5-2ubuntu2.3
    • 5.9.5-2ubuntu2.4
    • 5.9.5-2ubuntu2.5
    • 5.9.5-2ubuntu2.6
    Affected ranges
    • ECOSYSTEM: < 5.9.5-2ubuntu2.7

    Update to 5.9.5-2ubuntu2.7

  • strongswan Ubuntu:Pro:FIPS-preview:22.04:LTS

    Versions
    • 5.9.5-2ubuntu2.1+Fips1
    • 5.9.5-2ubuntu2.2+Fips1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • strongswan Ubuntu:Pro:FIPS-updates:22.04:LTS

    Versions
    • 5.9.5-2ubuntu2.1+Fips1
    • 5.9.5-2ubuntu2.2+Fips1
    • 5.9.5-2ubuntu2.3+Fips1
    • 5.9.5-2ubuntu2.4+Fips1
    • 5.9.5-2ubuntu2.5+Fips1
    • 5.9.5-2ubuntu2.6+Fips1
    Affected ranges
    • ECOSYSTEM: < 5.9.5-2ubuntu2.7+Fips1

    Update to 5.9.5-2ubuntu2.7+Fips1

  • strongswan Ubuntu:24.04:LTS

    Versions
    • 5.9.11-1ubuntu1
    • 5.9.11-1ubuntu2
    • 5.9.12-1ubuntu1
    • 5.9.13-2ubuntu1
    • 5.9.13-2ubuntu3
    • 5.9.13-2ubuntu4
    • 5.9.13-2ubuntu4.24.04.1
    • 5.9.13-2ubuntu4.24.04.2
    • 5.9.13-2ubuntu4.24.04.3
    Affected ranges
    • ECOSYSTEM: < 5.9.13-2ubuntu4.24.04.4

    Update to 5.9.13-2ubuntu4.24.04.4

  • strongswan Ubuntu:25.10

    Versions
    • 5.9.13-2ubuntu4
    • 5.9.13-2ubuntu5
    • 6.0.1-6ubuntu2
    • 6.0.1-6ubuntu4
    • 6.0.1-6ubuntu4.1
    • 6.0.1-6ubuntu4.2
    • 6.0.1-6ubuntu4.3
    Affected ranges
    • ECOSYSTEM: < 6.0.1-6ubuntu4.4

    Update to 6.0.1-6ubuntu4.4

  • strongswan Ubuntu:26.04:LTS

    Versions
    • 6.0.1-6ubuntu4
    • 6.0.1-6ubuntu5
    • 6.0.4-1ubuntu1
    • 6.0.4-1ubuntu2
    • 6.0.4-1ubuntu3
    Affected ranges
    • ECOSYSTEM: < 6.0.4-1ubuntu3.1

    Update to 6.0.4-1ubuntu3.1

Original sources

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