Linux Distros Unpatched Vulnerability : CVE-2026-119196

high Nessus Plugin ID 374106

Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

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

- pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.5, constructed BIT STRING decoding repeatedly shifts and copies the complete bit value accumulated from earlier fragments. Attacker-controlled BER or CER input contains many constructed BIT STRING fragments; schema-driven DER also accepts a definite-length constructed BIT STRING. BitStringPayloadDecoder repeatedly calls BitString.fromOctetString with the prior bitString as prepend, shifting an ever-growing SizedInteger for each fragment and causing quadratic work.
Large fragmented values can exhaust CPU during decode() without requiring later conversion or formatting.
This issue is fixed in version 0.6.5. (CVE-2026-119196)

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

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2026-119196

https://security-tracker.debian.org/tracker/CVE-2026-119196

https://ubuntu.com/security/CVE-2026-119196

Plugin Details

Severity: High

ID: 374106

File Name: unpatched_CVE_2026_119196.nasl

Version: 1.3

Type: Local

Agent: unix

Family: Misc.

Published: 10/30/2026

Updated: 10/31/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.74

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.3

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2026-119196

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, cpe:/o:canonical:ubuntu_linux:26.10, cpe:/o:centos:centos:7, cpe:/o:centos:centos:8, cpe:/o:debian:debian_linux:12.0, cpe:/o:debian:debian_linux:13.0, cpe:/o:debian:debian_linux:14.0, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:canonical:ubuntu_linux:pyasn1, p-cpe:/a:centos:centos:fence-agents-aliyun, p-cpe:/a:centos:centos:fence-agents-all, p-cpe:/a:centos:centos:fence-agents-amt-ws, p-cpe:/a:centos:centos:fence-agents-apc-snmp, p-cpe:/a:centos:centos:fence-agents-apc, p-cpe:/a:centos:centos:fence-agents-aws, p-cpe:/a:centos:centos:fence-agents-azure-arm, p-cpe:/a:centos:centos:fence-agents-bladecenter, p-cpe:/a:centos:centos:fence-agents-brocade, p-cpe:/a:centos:centos:fence-agents-cisco-mds, p-cpe:/a:centos:centos:fence-agents-cisco-ucs, p-cpe:/a:centos:centos:fence-agents-common, p-cpe:/a:centos:centos:fence-agents-compute, p-cpe:/a:centos:centos:fence-agents-drac5, p-cpe:/a:centos:centos:fence-agents-eaton-snmp, p-cpe:/a:centos:centos:fence-agents-emerson, p-cpe:/a:centos:centos:fence-agents-eps, p-cpe:/a:centos:centos:fence-agents-gce, p-cpe:/a:centos:centos:fence-agents-heuristics-ping, p-cpe:/a:centos:centos:fence-agents-hpblade, p-cpe:/a:centos:centos:fence-agents-ibm-powervs, p-cpe:/a:centos:centos:fence-agents-ibm-vpc, p-cpe:/a:centos:centos:fence-agents-ibmblade, p-cpe:/a:centos:centos:fence-agents-ifmib, p-cpe:/a:centos:centos:fence-agents-ilo-moonshot, p-cpe:/a:centos:centos:fence-agents-ilo-mp, p-cpe:/a:centos:centos:fence-agents-ilo-ssh, p-cpe:/a:centos:centos:fence-agents-ilo2, p-cpe:/a:centos:centos:fence-agents-intelmodular, p-cpe:/a:centos:centos:fence-agents-ipdu, p-cpe:/a:centos:centos:fence-agents-ipmilan, p-cpe:/a:centos:centos:fence-agents-kdump, p-cpe:/a:centos:centos:fence-agents-kubevirt, p-cpe:/a:centos:centos:fence-agents-lpar, p-cpe:/a:centos:centos:fence-agents-mpath, p-cpe:/a:centos:centos:fence-agents-nutanix-ahv, p-cpe:/a:centos:centos:fence-agents-openstack, p-cpe:/a:centos:centos:fence-agents-redfish, p-cpe:/a:centos:centos:fence-agents-rhevm, p-cpe:/a:centos:centos:fence-agents-rsa, p-cpe:/a:centos:centos:fence-agents-rsb, p-cpe:/a:centos:centos:fence-agents-sbd, p-cpe:/a:centos:centos:fence-agents-scsi, p-cpe:/a:centos:centos:fence-agents-virsh, p-cpe:/a:centos:centos:fence-agents-vmware-rest, p-cpe:/a:centos:centos:fence-agents-vmware-soap, p-cpe:/a:centos:centos:fence-agents-wti, p-cpe:/a:centos:centos:fence-agents-zvm, p-cpe:/a:centos:centos:fence-agents, p-cpe:/a:centos:centos:fence-virt, p-cpe:/a:centos:centos:fence-virtd-cpg, p-cpe:/a:centos:centos:fence-virtd-libvirt, p-cpe:/a:centos:centos:fence-virtd-multicast, p-cpe:/a:centos:centos:fence-virtd-serial, p-cpe:/a:centos:centos:fence-virtd-tcp, p-cpe:/a:centos:centos:fence-virtd, p-cpe:/a:centos:centos:ha-cloud-support, p-cpe:/a:centos:centos:python-pyasn1, p-cpe:/a:centos:centos:python3-pyasn1-modules, p-cpe:/a:centos:centos:python3-pyasn1, p-cpe:/a:centos:centos:resource-agents-aliyun, p-cpe:/a:centos:centos:resource-agents-gcp, p-cpe:/a:centos:centos:resource-agents-paf, p-cpe:/a:centos:centos:resource-agents-sap-hana-scaleout, p-cpe:/a:centos:centos:resource-agents-sap-hana, p-cpe:/a:centos:centos:resource-agents-sap, p-cpe:/a:centos:centos:resource-agents, p-cpe:/a:centos:centos:sap-cluster-connector, p-cpe:/a:debian:debian_linux:pyasn1, p-cpe:/a:redhat:enterprise_linux:fence-agents-aliyun, p-cpe:/a:redhat:enterprise_linux:fence-agents-all, p-cpe:/a:redhat:enterprise_linux:fence-agents-amt-ws, p-cpe:/a:redhat:enterprise_linux:fence-agents-apc-snmp, p-cpe:/a:redhat:enterprise_linux:fence-agents-apc, p-cpe:/a:redhat:enterprise_linux:fence-agents-aws, p-cpe:/a:redhat:enterprise_linux:fence-agents-azure-arm, p-cpe:/a:redhat:enterprise_linux:fence-agents-bladecenter, p-cpe:/a:redhat:enterprise_linux:fence-agents-brocade, p-cpe:/a:redhat:enterprise_linux:fence-agents-cisco-mds, p-cpe:/a:redhat:enterprise_linux:fence-agents-cisco-ucs, p-cpe:/a:redhat:enterprise_linux:fence-agents-common, p-cpe:/a:redhat:enterprise_linux:fence-agents-compute, p-cpe:/a:redhat:enterprise_linux:fence-agents-drac5, p-cpe:/a:redhat:enterprise_linux:fence-agents-eaton-snmp, p-cpe:/a:redhat:enterprise_linux:fence-agents-emerson, p-cpe:/a:redhat:enterprise_linux:fence-agents-eps, p-cpe:/a:redhat:enterprise_linux:fence-agents-gce, p-cpe:/a:redhat:enterprise_linux:fence-agents-heuristics-ping, p-cpe:/a:redhat:enterprise_linux:fence-agents-hpblade, p-cpe:/a:redhat:enterprise_linux:fence-agents-ibm-powervs, p-cpe:/a:redhat:enterprise_linux:fence-agents-ibm-vpc, p-cpe:/a:redhat:enterprise_linux:fence-agents-ibmblade, p-cpe:/a:redhat:enterprise_linux:fence-agents-ifmib, p-cpe:/a:redhat:enterprise_linux:fence-agents-ilo-moonshot, p-cpe:/a:redhat:enterprise_linux:fence-agents-ilo-mp, p-cpe:/a:redhat:enterprise_linux:fence-agents-ilo-ssh, p-cpe:/a:redhat:enterprise_linux:fence-agents-ilo2, p-cpe:/a:redhat:enterprise_linux:fence-agents-intelmodular, p-cpe:/a:redhat:enterprise_linux:fence-agents-ipdu, p-cpe:/a:redhat:enterprise_linux:fence-agents-ipmilan, p-cpe:/a:redhat:enterprise_linux:fence-agents-kdump, p-cpe:/a:redhat:enterprise_linux:fence-agents-kubevirt, p-cpe:/a:redhat:enterprise_linux:fence-agents-lpar, p-cpe:/a:redhat:enterprise_linux:fence-agents-mpath, p-cpe:/a:redhat:enterprise_linux:fence-agents-nutanix-ahv, p-cpe:/a:redhat:enterprise_linux:fence-agents-openstack, p-cpe:/a:redhat:enterprise_linux:fence-agents-redfish, p-cpe:/a:redhat:enterprise_linux:fence-agents-rhevm, p-cpe:/a:redhat:enterprise_linux:fence-agents-rsa, p-cpe:/a:redhat:enterprise_linux:fence-agents-rsb, p-cpe:/a:redhat:enterprise_linux:fence-agents-sbd, p-cpe:/a:redhat:enterprise_linux:fence-agents-scsi, p-cpe:/a:redhat:enterprise_linux:fence-agents-virsh, p-cpe:/a:redhat:enterprise_linux:fence-agents-vmware-rest, p-cpe:/a:redhat:enterprise_linux:fence-agents-vmware-soap, p-cpe:/a:redhat:enterprise_linux:fence-agents-wti, p-cpe:/a:redhat:enterprise_linux:fence-agents-zvm, p-cpe:/a:redhat:enterprise_linux:fence-agents, p-cpe:/a:redhat:enterprise_linux:fence-virt, p-cpe:/a:redhat:enterprise_linux:fence-virtd-cpg, p-cpe:/a:redhat:enterprise_linux:fence-virtd-libvirt, p-cpe:/a:redhat:enterprise_linux:fence-virtd-multicast, p-cpe:/a:redhat:enterprise_linux:fence-virtd-serial, p-cpe:/a:redhat:enterprise_linux:fence-virtd-tcp, p-cpe:/a:redhat:enterprise_linux:fence-virtd, p-cpe:/a:redhat:enterprise_linux:ha-cloud-support, p-cpe:/a:redhat:enterprise_linux:python-pyasn1, p-cpe:/a:redhat:enterprise_linux:python3-pyasn1-modules, p-cpe:/a:redhat:enterprise_linux:python3-pyasn1, p-cpe:/a:redhat:enterprise_linux:resource-agents-aliyun, p-cpe:/a:redhat:enterprise_linux:resource-agents-gcp, p-cpe:/a:redhat:enterprise_linux:resource-agents-paf, p-cpe:/a:redhat:enterprise_linux:resource-agents-sap-hana-scaleout, p-cpe:/a:redhat:enterprise_linux:resource-agents-sap-hana, p-cpe:/a:redhat:enterprise_linux:resource-agents-sap, p-cpe:/a:redhat:enterprise_linux:resource-agents, p-cpe:/a:redhat:enterprise_linux:sap-cluster-connector

Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 10/29/2026

Reference Information

CVE: CVE-2026-119196