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Permalink CVE-2026-84233
7.0 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Local (L)
  • Attack Complexity (AC): High (H)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): Required (R)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): High (H)
  • Integrity (I): High (H)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Local (L)
  • Modified Attack Complexity (MAC): High (H)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): Required (R)
  • Modified Confidentiality (MC): High (H)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): High (H)
  • Modified Availability (MA): High (H)
created 1 day, 14 hours ago Activity log
  • Created suggestion 1 day, 14 hours ago
Rpm: command execution via macro expansion in `rpmuncompress -x` for crafted `.gem` filenames

A flaw was found in rpm. A local attacker could supply a specially crafted `.gem` filename containing RPM macro syntax. When a user or automated workflow invokes `rpmuncompress -x` on this file, the macro expansion occurs during command construction. This allows the attacker to execute arbitrary commands with the privileges of the invoking account, leading to a compromise of confidentiality, integrity, and availability.

References

Affected products

rpm

Matching in nixpkgs

pkgs.makerpm

Clean, simple RPM packager reimplemented completely from scratch

  • nixos-unstable 1.0
    • nixpkgs-unstable 1.0
    • nixos-unstable-small 1.0
  • nixos-26.05 1.0
    • nixos-26.05-small 1.0
    • nixpkgs-26.05-darwin 1.0

pkgs.rpm-ostree

Hybrid image/package system. It uses OSTree as an image format, and uses RPM as a component model

pkgs.rpmextract

Script to extract RPM archives

  • nixos-unstable -
    • nixpkgs-unstable
    • nixos-unstable-small 4.20.1
  • nixos-26.05 -
    • nixos-26.05-small
    • nixpkgs-26.05-darwin

pkgs.perlPackages.RPM2

Perl bindings for the RPM Package Manager API

  • nixos-unstable 1.4
    • nixpkgs-unstable 1.4
    • nixos-unstable-small 1.4
  • nixos-26.05 1.4
    • nixos-26.05-small 1.4
    • nixpkgs-26.05-darwin 1.4

pkgs.perl5Packages.RPM2

Perl bindings for the RPM Package Manager API

  • nixos-unstable 1.4
    • nixpkgs-unstable 1.4
    • nixos-unstable-small 1.4
  • nixos-26.05 1.4
    • nixos-26.05-small 1.4
    • nixpkgs-26.05-darwin 1.4

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