High severity7.0NVD Advisory· Published Sep 26, 2026· Updated Oct 8, 2026
CVE-2026-100504
CVE-2026-100504
Description
Ghidra versions through 12.1.4 contain a stack-based out-of-bounds write vulnerability in the decompiler's leftshift128 function when processing negative shift amounts from p-code. Attackers can craft malicious binaries with specific instruction sequences that trigger the overflow when decompiled, corrupting memory and potentially achieving code execution.
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Affected products
2<=12.1.4+ 1 more
- (no CPE)range: <=12.1.4
- cpe:2.3:a:nsa:ghidra:*:*:*:*:*:*:*:*range: <=12.1.4
Patches
Vulnerability mechanics
References
4- github.com/NationalSecurityAgency/ghidra/blob/8b6bbb857accdfa20dc5b2f5dea471178c2e9fbc/Ghidra/Features/Decompiler/src/decompile/cpp/ruleaction.ccnvdPatch
- github.com/NationalSecurityAgency/ghidra/commit/6babe3c1cec7f5ec920dd16cdc86a02893e5b33cnvdPatch
- www.vulncheck.com/advisories/ghidra-through-12.1.4-stack-based-buffer-overflow-via-leftshift128nvdPatchThird Party Advisory
- github.com/NationalSecurityAgency/ghidra/blob/8b6bbb857accdfa20dc5b2f5dea471178c2e9fbc/Ghidra/Features/Decompiler/src/decompile/cpp/multiprecision.ccnvdProduct
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