Detections
Analytics

Linux Distros Unpatched Vulnerability : CVE-2026-33056

medium Nessus Plugin ID 303224

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.

 - tar-rs is a tar archive reading/writing library for Rust. In versions 0.4.44 and below, when unpacking a tar archive, the tar crate's unpack_dir function uses fs::metadata() to check whether a path that already exists is a directory. Because fs::metadata() follows symbolic links, a crafted tarball containing a symlink entry followed by a directory entry with the same name causes the crate to treat the symlink target as a valid existing directory and subsequently apply chmod to it. This allows an attacker to modify the permissions of arbitrary directories outside the extraction root. This issue has been fixed in version 0.4.45. (CVE-2026-33056)

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-2026-33056

https://security-tracker.debian.org/tracker/CVE-2026-33056

Plugin Details

Severity: Medium

ID: 303224

File Name: unpatched_CVE_2026_33056.nasl

Version: 1.2

Type: local

Agent: unix

Family: Misc.

Published: 3/20/2026

Updated: 3/21/2026

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.6

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

CVSS Score Source: CVE-2026-33056

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.3

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

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

CVSS v4

Risk Factor: Medium

Base Score: 5.1

Threat Score: 1.2

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:centos:centos:fdo-admin-cli, p-cpe:/a:redhat:enterprise_linux:rust-std-static-x86_64-unknown-none, p-cpe:/a:redhat:enterprise_linux:rust-analysis, p-cpe:/a:centos:centos:rustfmt, p-cpe:/a:centos:centos:mesa-libosmesa, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:redhat:enterprise_linux:rust-src, p-cpe:/a:redhat:enterprise_linux:rust-analyzer, p-cpe:/a:redhat:enterprise_linux:fdo-owner-cli, p-cpe:/a:centos:centos:mesa-libglu, p-cpe:/a:redhat:enterprise_linux:mesa-libglapi, p-cpe:/a:redhat:enterprise_linux:cargo, p-cpe:/a:redhat:enterprise_linux:bootc, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:centos:centos:cargo, p-cpe:/a:centos:centos:rust-doc, p-cpe:/a:redhat:enterprise_linux:rust-gdb, p-cpe:/a:redhat:enterprise_linux:rust-lldb, p-cpe:/a:redhat:enterprise_linux:fdo-admin-cli, p-cpe:/a:centos:centos:rls, p-cpe:/a:centos:centos:clippy, p-cpe:/a:redhat:enterprise_linux:mesa-libglu-devel, cpe:/o:redhat:enterprise_linux:10, p-cpe:/a:centos:centos:rust-toolset-srpm-macros, p-cpe:/a:centos:centos:mesa-libosmesa-devel, p-cpe:/a:redhat:enterprise_linux:rust-toolset-srpm-macros, p-cpe:/a:centos:centos:mesa-libgbm, p-cpe:/a:redhat:enterprise_linux:mesa-libgbm, p-cpe:/a:centos:centos:fdo-manufacturing-server, p-cpe:/a:redhat:enterprise_linux:mesa-vulkan-drivers, p-cpe:/a:centos:centos:mesa-vulkan-drivers, p-cpe:/a:redhat:enterprise_linux:rust, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:centos:centos:mesa-libglu-devel, p-cpe:/a:redhat:enterprise_linux:clippy, p-cpe:/a:redhat:enterprise_linux:fdo-client, p-cpe:/a:centos:centos:libkrun, p-cpe:/a:centos:centos:rust-std-static-wasm32-unknown-unknown, p-cpe:/a:redhat:enterprise_linux:mesa-libgl, p-cpe:/a:redhat:enterprise_linux:rpm-ostree, p-cpe:/a:redhat:enterprise_linux:rust-std-static-wasm32-wasip1, p-cpe:/a:redhat:enterprise_linux:system-reinstall-bootc, p-cpe:/a:centos:centos:mesa-dri-drivers, p-cpe:/a:centos:centos:rust-std-static-x86_64-unknown-none, p-cpe:/a:centos:centos:rust-toolset, p-cpe:/a:centos:centos:rust, p-cpe:/a:redhat:enterprise_linux:cargo-doc, cpe:/o:debian:debian_linux:12.0, p-cpe:/a:centos:centos:mesa-filesystem, p-cpe:/a:redhat:enterprise_linux:rpm-ostree-devel, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:fdo-owner-cli, p-cpe:/a:centos:centos:rust-std-static, p-cpe:/a:centos:centos:bootc, p-cpe:/a:centos:centos:tar, p-cpe:/a:redhat:enterprise_linux:mesa-libosmesa-devel, p-cpe:/a:redhat:enterprise_linux:glx-utils, p-cpe:/a:centos:centos:mesa-demos, p-cpe:/a:redhat:enterprise_linux:trustee, p-cpe:/a:centos:centos:rust-lldb, p-cpe:/a:redhat:enterprise_linux:rust-doc, p-cpe:/a:centos:centos:rust-std-static-wasm32-wasi, p-cpe:/a:redhat:enterprise_linux:mesa-libxatracker, p-cpe:/a:redhat:enterprise_linux:fdo-rendezvous-server, p-cpe:/a:redhat:enterprise_linux:mesa-demos, p-cpe:/a:redhat:enterprise_linux:rust-toolset, p-cpe:/a:redhat:enterprise_linux:tar, p-cpe:/a:centos:centos:mesa-libxatracker, p-cpe:/a:centos:centos:fdo-init, p-cpe:/a:redhat:enterprise_linux:fdo-manufacturing-server, p-cpe:/a:centos:centos:fdo-client, p-cpe:/a:centos:centos:virt-firmware-rs, p-cpe:/a:redhat:enterprise_linux:virt-firmware-rs, p-cpe:/a:centos:centos:mesa-libgbm-devel, p-cpe:/a:redhat:enterprise_linux:mesa-libglu, p-cpe:/a:centos:centos:rust-analysis, p-cpe:/a:redhat:enterprise_linux:mesa-dri-drivers, p-cpe:/a:redhat:enterprise_linux:rust-std-static-wasm32-wasi, p-cpe:/a:centos:centos:cargo-doc, p-cpe:/a:centos:centos:rust-std-static-wasm32-wasip1, p-cpe:/a:redhat:enterprise_linux:trustee-guest-components, p-cpe:/a:centos:centos:rpm-ostree-devel, p-cpe:/a:redhat:enterprise_linux:mesa-libegl-devel, p-cpe:/a:redhat:enterprise_linux:mesa-filesystem, cpe:/o:debian:debian_linux:14.0, p-cpe:/a:redhat:enterprise_linux:rustfmt, p-cpe:/a:centos:centos:mesa-libgl, p-cpe:/a:redhat:enterprise_linux:libkrun, p-cpe:/a:centos:centos:fdo-rendezvous-server, p-cpe:/a:centos:centos:rust-debugger-common, p-cpe:/a:centos:centos:rpm-ostree, p-cpe:/a:centos:centos:trustee, p-cpe:/a:redhat:enterprise_linux:rpm-ostree-libs, p-cpe:/a:centos:centos:mesa-libgl-devel, p-cpe:/a:centos:centos:trustee-guest-components, p-cpe:/a:debian:debian_linux:rust-tar, p-cpe:/a:centos:centos:mesa-libegl, p-cpe:/a:redhat:enterprise_linux:mesa-libgl-devel, p-cpe:/a:centos:centos:rust-src, p-cpe:/a:centos:centos:rust-std-static-aarch64-unknown-none-softfloat, cpe:/o:redhat:enterprise_linux:8, cpe:/o:debian:debian_linux:13.0, p-cpe:/a:centos:centos:rust-analyzer, p-cpe:/a:redhat:enterprise_linux:rls, p-cpe:/a:redhat:enterprise_linux:fdo-init, p-cpe:/a:centos:centos:mesa-libegl-devel, p-cpe:/a:redhat:enterprise_linux:rust-std-static-aarch64-unknown-none-softfloat, cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:system-reinstall-bootc, p-cpe:/a:centos:centos:rpm-ostree-libs, p-cpe:/a:redhat:enterprise_linux:rust-std-static-wasm32-unknown-unknown, p-cpe:/a:redhat:enterprise_linux:mesa-libegl, p-cpe:/a:redhat:enterprise_linux:rust-debugger-common, p-cpe:/a:redhat:enterprise_linux:mesa-libosmesa, p-cpe:/a:centos:centos:mesa-libglapi, p-cpe:/a:redhat:enterprise_linux:mesa-libgbm-devel, p-cpe:/a:centos:centos:rust-gdb, p-cpe:/a:centos:centos:fdo-owner-onboarding-server, p-cpe:/a:redhat:enterprise_linux:rust-std-static, p-cpe:/a:centos:centos:glx-utils, p-cpe:/a:redhat:enterprise_linux:fdo-owner-onboarding-server

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

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 3/20/2026

Reference Information

CVE: CVE-2026-33056