Hardened malloc
A security-focused general purpose memory allocator providing the malloc API with hardening against heap corruption vulnerabilities.
A security-focused general purpose memory allocator providing the malloc API with hardening against heap corruption vulnerabilities.
Checked October 2026.
This is a security-focused general purpose memory allocator providing the malloc API along with various extensions. It provides substantial hardening against heap corruption vulnerabilities. It aims to provide decent overall performance with a focus on long-term performance and memory usage rather than allocator micro-benchmarks.
It offers scalability via a configurable number of entirely independent arenas, with the internal locking within arenas further divided up per size class.
This project currently supports Bionic (Android), musl and glibc. It may support other non-Linux operating systems in the future.
No core features are listed for this product yet, so check the vendor's documentation for the full feature list.
No integrations are listed for this product yet. Check the vendor's documentation, or ask the vendor which integrations and APIs it supports.
Common questions about Hardened malloc: features, pricing and alternatives.
Hardened malloc is a product in the Static Application Security Testing category. It covers Security Hardening.
Hardened malloc is free. Download and setup instructions are at https://github.com/GrapheneOS/hardened_malloc/.
Alternatives to Hardened malloc listed on CybersecTools:
Compare all Hardened malloc alternatives at https://cybersectools.com/alternatives/hardened-malloc
Hardened malloc is available as on-premises software. It is listed for mid-market companies and enterprises. It is free.
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