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CVE-2026-3386
3.3 LOW
- CVSS version: 3.1
- Attack vector (AV):
- Attack complexity (AC):
- Privileges required (PR):
- User interaction (UI):
- Scope (S):
- Confidentiality impact (C):
- Integrity impact (I):
- Availability impact (A):
by @LeSuisse Activity log
- Created automatic suggestion
-
@LeSuisse
removed
4 packages
- fairywren
- tree-sitter-grammars.tree-sitter-wren
- python313Packages.tree-sitter-grammars.tree-sitter-wren
- python314Packages.tree-sitter-grammars.tree-sitter-wren
- @LeSuisse dismissed
wren-lang wren wren_compiler.c emitOp out-of-bounds
A flaw has been found in wren-lang wren up to 0.4.0. Affected by this vulnerability is the function emitOp of the file src/vm/wren_compiler.c. This manipulation causes out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
References
- Submit #761306 | wren-lang wren main-branch Buffer Overflow third-party-advisory
- https://github.com/wren-lang/wren/issues/1219 issue-tracking
- https://github.com/oneafter/0122/blob/main/i1219/repro exploit
- https://github.com/wren-lang/wren/ product
- VDB-348272 | wren-lang wren wren_compiler.c emitOp out-of-bounds vdb-entry technical-description
- VDB-348272 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
Affected products
wren
- ==0.3
- ==0.2
- ==0.1
- ==0.4.0
Ignored packages (4)
pkgs.fairywren
FairyWren Icon Set
-
nixos-unstable 0-unstable-2026-02-15
- nixpkgs-unstable 0-unstable-2026-02-15
- nixos-unstable-small 0-unstable-2026-02-15
-
nixos-25.11 0-unstable-2024-06-10
- nixos-25.11-small 0-unstable-2024-06-10
- nixpkgs-25.11-darwin 0-unstable-2024-06-10
pkgs.tree-sitter-grammars.tree-sitter-wren
Tree-sitter grammar for wren
-
nixos-unstable 0-unstable-2024-01-01
- nixpkgs-unstable 0-unstable-2024-01-01
- nixos-unstable-small 0-unstable-2024-01-01
pkgs.python313Packages.tree-sitter-grammars.tree-sitter-wren
Python bindings for tree-sitter-wren
-
nixos-unstable 0+unstable20240101
- nixpkgs-unstable 0+unstable20240101
- nixos-unstable-small 0+unstable20240101
pkgs.python314Packages.tree-sitter-grammars.tree-sitter-wren
Python bindings for tree-sitter-wren
-
nixos-unstable 0+unstable20240101
- nixpkgs-unstable 0+unstable20240101
- nixos-unstable-small 0+unstable20240101