GitHub Advisoryadvisory · Maven
GHSA-h46c-h94j-95f3 jackson-core can throw a StackoverflowError when processing deeply nested data
HIGH
Official page ↗
- Aliases
- CVE-2025-52999
- Ecosystem
- Maven
- Packages
- com.fasterxml.jackson.core:jackson-core
- Severity
- High
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- Weaknesses
- CWE-121
- Reviewed
- 2025-06-27
Affected packages
• Maven com.fasterxml.jackson.core:jackson-core: < 2.15.0 → fixed in 2.15.0
Description
Impact
With older versions of jackson-core, if you parse an input file and it has deeply nested data, Jackson could end up throwing a StackoverflowError if the depth is particularly large.
Patches
jackson-core 2.15.0 contains a configurable limit for how deep Jackson will traverse in an input document, defaulting to an allowable depth of 1000. Change is in https://github.com/FasterXML/jackson-core/pull/943. jackson-core will throw a StreamConstraintsException if the limit is reached.
jackson-databind also benefits from this change because it uses jackson-core to parse JSON inputs.
Workarounds
Users should avoid parsing input files from untrusted sources.
Related
Alias · CVE (1)
- CVE-2025-52999 jackson-core contains core low-level incremental ("streaming") parser and generator abstractions used by Jackson Data Processor. vulnerability
Weakness · CWE (1)
- CWE-121 Stack-based Buffer Overflow weakness