Use-after-free in Ghidra - CVE-2026-49496
Published: May 15, 2026 / Updated: September 14, 2026
Vulnerability identifier: #VU131581
CSH Severity: Medium
CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-49496
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause memory corruption.
The vulnerability exists due to use-after-free in SleighBuilder::generatePointerAdd when decompiling a malicious binary via the public C++ API. A remote attacker can trick the victim into decompiling a crafted binary to cause memory corruption.
The issue affects downstream users of the Sleigh C++ backend and does not impact the Ghidra Java interface. User interaction is required to decompile the crafted binary.
Affected software
Ghidra
How to mitigate CVE-2026-49496
Install security update from vendor's website.
Ghidra - update to 12.1