Detections
Analytics
RockyLinux 10 : unbound (RLSA-2026:71419)
critical Nessus Plugin ID 350315
Synopsis
The remote RockyLinux host is missing one or more security updates.Description
The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:71419 advisory.* unbound: Unbound: Remote Code Execution Vulnerability in CNAME Synthesis (CVE-2026-82717)
* unbound: Unbound: Heap buffer overflow via malicious DNSSEC response (CVE-2026-81634)
* unbound: Unbound: Heap buffer overflow and possible Remote Code Execution when digesting DNSKEY (CVE-2026-81642)
Tenable has extracted the preceding description block directly from the RockyLinux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
https://bugzilla.redhat.com/show_bug.cgi?id=2535051
https://bugzilla.redhat.com/show_bug.cgi?id=2535054
Plugin Details
Severity: Critical
ID: 350315
File Name: rocky_linux_RLSA-2026-71419.nasl
Version: 1.1
Type: Local
Published: 9/25/2026
Updated: 9/25/2026
Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.9
Percentile: 96.52
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 7.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2026-82717
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS v4
Risk Factor: Critical
Base Score: 10
Threat Score: 9.1
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score Source: CVE-2026-81642
Vulnerability Information
CPE: cpe:/o:rocky:linux:10, p-cpe:/a:rocky:linux:python3-unbound-debuginfo, p-cpe:/a:rocky:linux:python3-unbound, p-cpe:/a:rocky:linux:unbound-anchor-debuginfo, p-cpe:/a:rocky:linux:unbound-anchor, p-cpe:/a:rocky:linux:unbound-debuginfo, p-cpe:/a:rocky:linux:unbound-debugsource, p-cpe:/a:rocky:linux:unbound-devel, p-cpe:/a:rocky:linux:unbound-dracut, p-cpe:/a:rocky:linux:unbound-libs-debuginfo, p-cpe:/a:rocky:linux:unbound-libs, p-cpe:/a:rocky:linux:unbound-utils-debuginfo, p-cpe:/a:rocky:linux:unbound-utils, p-cpe:/a:rocky:linux:unbound
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 9/25/2026
Vulnerability Publication Date: 9/16/2026