NewNTUnicodeString does not check for string length overflow. When provided with a string that overflows the maximum size of a NTUnicodeString (a 16-bit number of bytes), it returns a truncated string rather than an error.

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:21492-1 advisory.

    Changes in keybase-client:

    - CVE-2026-39824: failure to reject ASCII-only Punycode-encoded labels

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 version of CBL-Mariner Releases installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2026-39824 advisory.

  - NewNTUnicodeString does not check for string length overflow. When provided with a string that overflows     the maximum size of a NTUnicodeString (a 16-bit number of bytes), it returns a truncated string rather     than an error. (CVE-2026-39824)

Note that Nessus has not tested for this issue 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.

  - NewNTUnicodeString does not check for string length overflow. When provided with a string that overflows     the maximum size of a NTUnicodeString (a 16-bit number of bytes), it returns a truncated string rather     than an error. (CVE-2026-39824)

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

ID	Name	Product	Family	Severity
331570	openSUSE 16 Security Update : keybase-client (openSUSE-SU-2026:21492-1)	Nessus	SuSE Local Security Checks	low
329722	openSUSE 16 Security Update : rclone (openSUSE-SU-2026:21436-1)	Nessus	SuSE Local Security Checks	critical
318143	Azure Linux 3.0 Security Update: CBL-Mariner Releases (CVE-2026-39824)	Nessus	Azure Linux Local Security Checks	low
317043	Linux Distros Unpatched Vulnerability : CVE-2026-39824	Nessus	Misc.	low

Detections

Analytics

CVE-2026-39824

low

Tenable Plugins

low

critical

low

low