Detections
Analytics
MiracleLinux 8 : krb5-1.18.2-34.el8_10 (AXSA:2026-613:03)
medium Nessus Plugin ID 314671
Synopsis
The remote MiracleLinux host is missing one or more security updates.Description
The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-613:03 advisory.* krb5: MIT Kerberos 5 (krb5): Denial of Service via integer underflow and out-of-bounds read (CVE-2026-40356)
* krb5: MIT Kerberos 5: Denial of Service via NULL pointer dereference in NegoEx mechanism (CVE-2026-40355)
Tenable has extracted the preceding description block directly from the MiracleLinux 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
Plugin Details
Severity: Medium
ID: 314671
File Name: miracle_linux_AXSA-2026-613.nasl
Version: 1.1
Type: Local
Published: 5/14/2026
Updated: 5/14/2026
Supported Sensors: Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
Vendor
Vendor Severity: High
CVSS v2
Risk Factor: Medium
Base Score: 5.4
Temporal Score: 4
Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2026-40356
CVSS v3
Risk Factor: Medium
Base Score: 5.9
Temporal Score: 5.2
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:miracle:linux:krb5-libs, p-cpe:/a:miracle:linux:krb5-workstation, cpe:/o:miracle:linux:8, p-cpe:/a:miracle:linux:libkadm5, p-cpe:/a:miracle:linux:krb5-devel, p-cpe:/a:miracle:linux:krb5-server, p-cpe:/a:miracle:linux:krb5-server-ldap, p-cpe:/a:miracle:linux:krb5-pkinit
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/MiracleLinux/release, Host/MiracleLinux/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 5/14/2026
Vulnerability Publication Date: 4/28/2026
Reference Information
CVE: CVE-2026-40355, CVE-2026-40356