CVE-2026-52759

Description

Ghidra before 12.1.1 contains an uncontrolled memory allocation vulnerability in the Mach-O binary parser that allows attackers to cause denial of service. An attacker can supply a crafted Mach-O binary with an arbitrarily large ncmds load command count value, forcing the parser to allocate excessive heap memory without validating file size, crashing the Ghidra JVM.

CVSS Vector

References

• https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-v6c3-h9cp-3whf
• https://www.vulncheck.com/advisories/ghidra-denial-of-service-via-uncontrolled-memory-allocation-in-mach-o-parser
• https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-v6c3-h9cp-3whf