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CVE-2026-10592

CVE-2026-10592 · Wildcard DNS SAN bypasses CA name-constraint checks

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

Certificates with wildcard DNS SANs (e.g. *.example.com) bypassed CA name-constraint checks. A certificate with a wildcard DNS SAN that should be rejected by the issuing CA's permitted/excluded DNS name constraints could be accepted.

CVSS 6.3 · Medium · EPSS 0.2%

Published
Updated

Stack: system

Affected products and versions

  • wolfssl

    Versions
    • ≥ 3.9.10, ≤ 5.9.1: Affected (semver)

    No fix published

  • wolfssl Debian:12

    Versions
    • 5.5.4-2
    • 5.5.4-2+deb12u1
    • 5.5.4-2+deb12u2
    • 5.5.4-2+deb12u3
    • 5.5.4-2.1
    • 5.6.4-1
    • 5.6.4-2
    • 5.6.6-1
    • 5.6.6-1.1
    • 5.6.6-1.2
    • 5.6.6-1.3
    • 5.6.6-1.3~exp1
    • 5.7.0-0.1
    • 5.7.0-0.2
    • 5.7.0-0.3
    • 5.7.2-0.1
    • 5.7.2-0.2
    • 5.7.2-0.3
    • 5.7.2-0.4
    • 5.8.2-1
    • 5.8.2-1.1
    • 5.8.2-1.2
    • 5.8.4-1
    • 5.9.0-0.1
    • 5.9.0-0.2
    • 5.9.1-0.1
    • 5.9.2-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • wolfssl Debian:13

    Versions
    • 5.7.2-0.1
    • 5.7.2-0.1+deb13u1
    • 5.7.2-0.1+deb13u2
    • 5.7.2-0.2
    • 5.7.2-0.3
    • 5.7.2-0.4
    • 5.8.2-1
    • 5.8.2-1.1
    • 5.8.2-1.2
    • 5.8.4-1
    • 5.9.0-0.1
    • 5.9.0-0.2
    • 5.9.1-0.1
    • 5.9.2-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • wolfssl Ubuntu:16.04:LTS

    Versions
    • 3.4.8+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • wolfssl Ubuntu:18.04:LTS

    Versions
    • 3.10.2+dfsg-2
    • 3.12.0+dfsg-1
    • 3.12.2+dfsg-1
    • 3.13.0+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • wolfssl Ubuntu:20.04:LTS

    Versions
    • 4.1.0+dfsg-2
    • 4.2.0+dfsg-1
    • 4.2.0+dfsg-2
    • 4.2.0+dfsg-3
    • 4.3.0+dfsg-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • wolfssl Ubuntu:22.04:LTS

    Versions
    • 4.6.0-3
    • 5.0.0-1
    • 5.1.1-1
    • 5.2.0-1
    • 5.2.0-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • wolfssl Ubuntu:24.04:LTS

    Versions
    • 5.5.4-2
    • 5.5.4-2.1
    • 5.6.4-2
    • 5.6.6-1.2
    • 5.6.6-1.3
    • 5.6.6-1.3build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • wolfssl Ubuntu:25.10

    Versions
    • 5.7.2-0.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • wolfssl Ubuntu:26.10

    Versions
    • 5.9.1-0.1
    • 5.9.2-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • wolfssl Ubuntu:26.04:LTS

    Versions
    • 5.7.2-0.1
    • 5.8.2-1.2
    • 5.8.4-1
    • 5.9.1-0.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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