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Details of issue NIXPKGS-2026-1065

NIXPKGS-2026-1065
published 2 months, 2 weeks ago
Permalink CVE-2026-6069
7.5 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): None (N)
  • Integrity (I): None (N)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): None (N)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): High (H)
updated 2 months, 2 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse ignored
    5 packages
    • nasmfmt
    • tree-sitter-grammars.tree-sitter-nasm
    • vimPlugins.nvim-treesitter-parsers.nasm
    • python313Packages.tree-sitter-grammars.tree-sitter-nasm
    • python314Packages.tree-sitter-grammars.tree-sitter-nasm
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
CVE-2026-6069

NASM’s disasm() function contains a stack based buffer overflow when formatting disassembly output, allowing an attacker triggered out-of-bounds write when `slen` exceeds the buffer capacity.

Affected products

NASM
  • ==nasm-3.02rc5

Matching in nixpkgs

pkgs.nasm

80x86 and x86-64 assembler designed for portability and modularity

  • nixos-unstable 3.01
    • nixpkgs-unstable 3.01
    • nixos-unstable-small 3.01
Ignored packages (5)

Package maintainers

No patch available at the CVE publication