CVE catalog

CVE-2026-11703

Missing SNI/ALPN binding on stateful (session-ID) resumption, which previously skipped the binding check performed for ticket-based resumption. A cached session could be resumed under a different SNI/

[CVE catalog]

Severity
Medium · CVSS 6
Published
Source
[NVD] · [CVE record]
EPSS
0.36% · Oct 25, 2026

Missing SNI/ALPN binding on stateful (session-ID) resumption, which previously skipped the binding check performed for ticket-based resumption. A cached session could be resumed under a different SNI/ALPN than originally negotiated and, where client-authentication policy differs across virtual hosts, carry the cached peer-authentication state into a context it was not established for. Resumption now verifies the SNI/ALPN binding for all paths and declines (falling back to a full handshake) on mismatch.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianwolfsslsid5.9.2-1.2fixed
Debianwolfssltrixie5.7.2-0.1+deb13u2vulnerable
Debianwolfsslbookworm5.5.4-2+deb12u2vulnerable
Debianwolfsslbookworm-security5.5.4-2+deb12u3vulnerable
CpewolfsslNot reported5.9.2fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianwolfsslsourcesid5.9.2-1not yet assignedNot reportedNot reported
Debianwolfsslsourcetrixie(unfixed)not yet assignedNot reportedNot reported
Debianwolfsslsourcebookworm(unfixed)end-of-lifeNot reportedNot reported
CpewolfsslcpeNot reported5.9.2Not reportedNot reportedNot reported

Notes

[trixie] wolfssl: Minor issue; can be fixed in point release

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • [libwolfssl35]Affected

    Source package: [wolfssl]

    Details (4)
    • 5.5.4-2+deb12u2 · amd64 · bookworm

      Affected

      nvd · wolfssl · debian · bookworm; nvd · wolfssl · debian · 12

    • 5.5.4-2+deb12u2 · arm64 · bookworm

      Affected

      nvd · wolfssl · debian · bookworm; nvd · wolfssl · debian · 12

    • 5.5.4-2+deb12u3 · amd64 · bookworm-security

      Affected

      nvd · wolfssl · debian · bookworm; nvd · wolfssl · debian · 12

    • 5.5.4-2+deb12u3 · arm64 · bookworm-security

      Affected

      nvd · wolfssl · debian · bookworm; nvd · wolfssl · debian · 12

  • [libwolfssl-dev]Affected

    Source package: [wolfssl]

    Details (4)
    • 5.5.4-2+deb12u2 · amd64 · bookworm

      Affected

      nvd · wolfssl · debian · bookworm; nvd · wolfssl · debian · 12

    • 5.5.4-2+deb12u2 · arm64 · bookworm

      Affected

      nvd · wolfssl · debian · bookworm; nvd · wolfssl · debian · 12

    • 5.5.4-2+deb12u3 · amd64 · bookworm-security

      Affected

      nvd · wolfssl · debian · bookworm; nvd · wolfssl · debian · 12

    • 5.5.4-2+deb12u3 · arm64 · bookworm-security

      Affected

      nvd · wolfssl · debian · bookworm; nvd · wolfssl · debian · 12

[Debian 13 (Trixie)]

  • [libwolfssl42t64]Affected

    Source package: [wolfssl]

    Details (2)
    • 5.7.2-0.1+deb13u1 · amd64 · trixie

      Affected

      nvd · wolfssl · debian · 13

    • 5.7.2-0.1+deb13u1 · arm64 · trixie

      Affected

      nvd · wolfssl · debian · 13

  • [libwolfssl-dev]Affected

    Source package: [wolfssl]

    Details (2)
    • 5.7.2-0.1+deb13u1 · amd64 · trixie

      Affected

      nvd · wolfssl · debian · 13

    • 5.7.2-0.1+deb13u1 · arm64 · trixie

      Affected

      nvd · wolfssl · debian · 13

Observed:

References