CVE-2026-100505

Summary

Ghidra versions 9.2 through 12.1.4 contain a heap out-of-bounds read vulnerability in StringManager::getCodepoint when decoding multi-byte UTF-8, UTF-16, or UTF-32 characters without validating remaining buffer length. Attackers can craft malicious binaries containing strings or constant byte stores that end in multi-byte lead units to trigger out-of-bounds reads that crash the decompiler or leak adjacent heap memory into decompiled output.

Affected Software

Weaknesses

• CWE-125: Out-of-bounds Read

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/NationalSecurityAgency/ghidra/commit/e37c57f3d9c29511a1860f0a735df53131d403d7
• https://github.com/NationalSecurityAgency/ghidra
• https://github.com/NationalSecurityAgency/ghidra/blob/8b6bbb857accdfa20dc5b2f5dea471178c2e9fbc/Ghidra/Features/Decompiler/src/decompile/cpp/stringmanage.cc#L324-L410
• https://www.vulncheck.com/advisories/ghidra-11.2-through-12.1.4-heap-out-of-bounds-read-via-stringmanager

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