# CVE-2025-49128: Jackson-core Vulnerable to Memory Disclosure via Source Snippet in JsonLocation

Source: https://junglewise.ai/threats/cve-2025-49128-jackson-core-vulnerable-to-memory-disclosure-via-source-snippet  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-06-07  
License: CC BY 4.0 with a link back

CVE-2025-49128 · Severity: low · CVSS 3.1 · Published 2025-06-07

Jackson-core Vulnerable to Memory Disclosure via Source Snippet in JsonLocation

Technologies: [com.fasterxml.jackson.core:jackson-core (Maven)](https://junglewise.ai/threats/technologies/com-fasterxml-jackson-core-jackson-core). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2025-49128 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-49128 being exploited in the wild.

**How severe is CVE-2025-49128?** Low severity, with a CVSS score of 3.1, published 7 June 2025.

**Which products and versions are affected?** com.fasterxml.jackson.core:jackson-core (Maven) ECOSYSTEM:introduced=2.0.0,fixed=2.13.0.

**Is there a fix for CVE-2025-49128?** Yes. com.fasterxml.jackson.core:jackson-core (Maven): upgrade to 2.13.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2025-49128?** Check whether you run com.fasterxml.jackson.core:jackson-core (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- com.fasterxml.jackson.core:jackson-core (Maven): upgrade to 2.13.0 or later

  ```sh
  # set com.fasterxml.jackson.core:jackson-core to 2.13.0 in your pom.xml or build.gradle
  ```


## Affected products

- com.fasterxml.jackson.core:jackson-core (Maven) ECOSYSTEM:introduced=2.0.0,fixed=2.13.0

## Identifiers

- CVE-2025-49128
- GHSA-wf8f-6423-gfxg

## Related threats

- [FasterXML jackson-core denial of service in UTF8DataInputJsonParser](https://junglewise.ai/threats/cve-2026-89425-utf8datainputjsonparser-reportinvalidtoken-in-fasterxml-jackson)
- [FasterXML jackson-core regular expression denial of service in NumberInput](https://junglewise.ai/threats/cve-2026-89407-numberinput-lookslikevalidnumber-in-fasterxml-jackson-core-pre)
- [jackson-core: Number Length Constraint Bypass in Async Parser Leads to Potential DoS Condition](https://junglewise.ai/threats/cve-2026-18401-jackson-core-number-length-constraint-bypass-in-async-parser)
- [jackson-core can throw a StackoverflowError when processing deeply nested data](https://junglewise.ai/threats/cve-2025-52999-jackson-core-can-throw-a-stackoverflowerror-when-processing)