Quick answers
- Is CVE-2026-100505 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-100505 being exploited in the wild.
- How severe is CVE-2026-100505?
- Medium severity, with a CVSS score of 4.4, published 26 September 2026.
- Which products and versions are affected?
- National Security Agency Ghidra 11.2 through 12.1.4.
- Is there a fix for CVE-2026-100505?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-100505 attacked?
- It is attacked with local access, in a software library.
- Am I affected by CVE-2026-100505?
- Check whether you run National Security Agency Ghidra at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
StringManager::getCodepoint in the decompiler lacks bounds checking before reading multi-byte UTF-8, UTF-16, and UTF-32 character sequences, leading to heap out-of-bounds reads. The vulnerability is triggered by processing binaries with specially crafted constant byte stores that end in multi-byte lead units without sufficient trailing bytes, exploitable through file-based analysis with no authentication required.
Affected products
- National Security Agency Ghidra 11.2 through 12.1.4
Timeline
- 2026-09-26: disclosed