Nixpkgs security tracker
NIXPKGS-2026-0301
GitHub issue
published on
Permalink
CVE-2026-2869
3.3 LOW
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Local (L)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): Low (L)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): None (N)
- Integrity (I): None (N)
- Availability (A): Low (L)
- Exploit Code Maturity (E): Proof-of-Concept (P)
- Remediation Level (RL): Official Fix (O)
- Report Confidence (RC): Confirmed (C)
- Modified Attack Vector (MAV): Local (L)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): Low (L)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): None (N)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): Low (L)
by @LeSuisse Activity log
- Created suggestion
-
@LeSuisse
ignored
6 packages
- vscode-extensions.janet-lang.vscode-janet
- tree-sitter-grammars.tree-sitter-janet-simple
- vimPlugins.nvim-treesitter-parsers.janet_simple
- python312Packages.tree-sitter-grammars.tree-sitter-janet-simple
- python313Packages.tree-sitter-grammars.tree-sitter-janet-simple
- python314Packages.tree-sitter-grammars.tree-sitter-janet-simple
- @LeSuisse accepted
- @LeSuisse published on GitHub
janet-lang janet handleattr specials.c janetc_varset out-of-bounds
A vulnerability was identified in janet-lang janet up to 1.40.1. Affected by this vulnerability is the function janetc_varset of the file src/core/specials.c of the component handleattr Handler. The manipulation leads to out-of-bounds read. The attack can only be performed from a local environment. The exploit is publicly available and might be used. Upgrading to version 1.41.0 addresses this issue. The identifier of the patch is 2fabc80151a2b8834ee59cda8a70453f848b40e5. The affected component should be upgraded.
References
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VDB-347106 | janet-lang janet handleattr specials.c janetc_varset out-of-bounds vdb-entrytechnical-description
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Submit #754589 | janet-lang janet 4dd08a4 Heap-based Buffer Overflow third-party-advisory
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https://github.com/janet-lang/janet/issues/1699 issue-tracking
Affected products
janet
- ==1.40.0
- ==1.40.1
- ==1.41.0
Matching in nixpkgs
Ignored packages (6)
pkgs.vscode-extensions.janet-lang.vscode-janet
Janet language support for Visual Studio Code
-
nixos-unstable 0.0.7-unstable-2025-05-19
- nixpkgs-unstable 0.0.7-unstable-2025-05-19
- nixos-unstable-small 0.0.7-unstable-2025-05-19
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nixos-unstable 0.0.0+rev=d183186
- nixpkgs-unstable 0.0.0+rev=d183186
- nixos-unstable-small 0.0.0+rev=d183186
pkgs.python312Packages.tree-sitter-grammars.tree-sitter-janet-simple
Python bindings for tree-sitter-janet-simple
pkgs.python313Packages.tree-sitter-grammars.tree-sitter-janet-simple
Python bindings for tree-sitter-janet-simple
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nixos-unstable 0.0.7+unstable20250519
- nixpkgs-unstable 0.0.7+unstable20250519
- nixos-unstable-small 0.0.7+unstable20250519
pkgs.python314Packages.tree-sitter-grammars.tree-sitter-janet-simple
Python bindings for tree-sitter-janet-simple
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nixos-unstable 0.0.7+unstable20250519
- nixpkgs-unstable 0.0.7+unstable20250519
- nixos-unstable-small 0.0.7+unstable20250519
Package maintainers
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@andrewchambers Andrew Chambers <ac@acha.ninja>
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@peterhoeg Peter Hoeg <peter@hoeg.com>