In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group.

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:21865-1 advisory.

    Changes in mbedtls:

    - Update to version 3.6.7:
      * CVE-2026-25832: TLS 1.3 client accepted HRR selecting unadvertised         group (boo#1280186)
      * Fix TLS 1.3 clients to reject a HelloRetryRequest whose selected         group was not advertised in the original ClientHello

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-0bb141710c advisory.

    - Update to 3.6.7
    - Fixes CVE-2026-25832, CVE-2026-35336, CVE-2026-49300, CVE-2026-50579, CVE-2026-50580, CVE-2026-50581,     CVE-2026-50583, CVE-2026-50584, CVE-2026-50585, CVE-2026-50586, CVE-2026-50587, CVE-2026-50588,     CVE-2026-50640, CVE-2026-50713, CVE-2026-54435, CVE-2026-54441

    Release notes: https://github.com/Mbed-TLS/mbedtls/releases#release-mbedtls-3.6.7

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest     selecting an unadvertised group. (CVE-2026-25832)

Note that Nessus relies on the presence of the package as reported by the vendor.

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

  - In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest
    selecting an unadvertised group. (CVE-2026-25832)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-8d954936a5 advisory.

    - Update to 3.6.7
    - Fixes CVE-2026-25832, CVE-2026-35336, CVE-2026-49300, CVE-2026-50579, CVE-2026-50580, CVE-2026-50581,     CVE-2026-50583, CVE-2026-50584, CVE-2026-50585, CVE-2026-50586, CVE-2026-50587, CVE-2026-50588,     CVE-2026-50640, CVE-2026-50713, CVE-2026-54435, CVE-2026-54441

    Release notes: https://github.com/Mbed-TLS/mbedtls/releases#release-mbedtls-3.6.7

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Type	Severity
347921	openSUSE 16: libeverest / libeverest-x86-64-v3 / libmbedcrypto16 / etc (openSUSE-SU-2026:21865-1)	Nessus	SuSE Local Security Checks	Local	low
329526	Fedora 43 : mbedtls (2026-0bb141710c)	Nessus	Fedora Local Security Checks	Local	critical
329449	Linux Distros Unpatched Vulnerability : CVE-2026-25832	Nessus	Misc.	Local	low
444859	Alpine: multiple mbedtls packages: security update to 3.6.7-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	Local	low
444859	Alpine: multiple mbedtls packages: security update to 3.6.7-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	Local	low
444858	Alpine: multiple mbedtls packages: security update to 4.1.1-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	Local	low
444858	Alpine: multiple mbedtls packages: security update to 4.1.1-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	Local	low
444857	Alpine: multiple mbedtls3 packages: security update to 3.6.7-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	Local	low
444857	Alpine: multiple mbedtls3 packages: security update to 3.6.7-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	Local	low
327897	Fedora 44 : mbedtls (2026-8d954936a5)	Nessus	Fedora Local Security Checks	Local	critical

Detections

Analytics

CVE-2026-25832

low

Tenable Plugins

low

critical

low

low

low

low

low

low

low

critical