CVE-2026-44028 nix: coroutine stack-to-heap overflow via unbounded recursion in NAR directory parser
PublishedAn issue was discovered in Nix before 2.34.7 and Lix before 2.95.2. Unbounded recursion in the NAR (Nix Archive) parser could lead to a stack-to-heap overflow when the parser is run on a coroutine stack. The stack is allocated without a guard page, which means that a stack overfl...