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CVE-2026-29062 Details

Description

jackson-core contains core low-level incremental ("streaming") parser and generator abstractions used by Jackson Data Processor. From version 3.0.0 to before version 3.1.0, the UTF8DataInputJsonParser, which is used when parsing from a java.io.DataInput source, bypasses the maxNestingDepth constraint (default: 500) defined in StreamReadConstraints. A similar issue was found in ReaderBasedJsonParser. This allows a user to supply a JSON document with excessive nesting, which can cause a StackOverflowError when the structure is processed, leading to a Denial of Service (DoS). This issue has been patched in version 3.1.0.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CNA: redhat-SADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://access.redhat.com/security/cve/CVE-2026-29062	redhat-SADP
https://bugzilla.redhat.com/show_bug.cgi?id=2445135	redhat-SADP
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-29062.json	redhat-SADP
https://github.com/FasterXML/jackson-core/commit/8b25fd67f20583e75fb09564ce1eaab06cd5a902	[email protected]	Patch
https://github.com/FasterXML/jackson-core/pull/1554	[email protected]	Issue TrackingPatch
https://github.com/FasterXML/jackson-core/security/advisories/GHSA-6v53-7c9g-w56r	[email protected]	PatchVendor Advisory

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-1284	Improper Validation of Specified Quantity in Input	redhat-SADP
CWE-770	Allocation of Resources Without Limits or Throttling	[email protected]

Affected Products

Product	Versions
fasterxml jackson-core	>= 3.0.0, < 3.1.0
CPE cpe:2.3:a:fasterxml:jackson-core:::::::: Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jul 15, 2026	CVE Modified	redhat-SADP
Jun 30, 2026	CVE Modified	redhat-SADP
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Mar 10, 2026	Initial Analysis	[email protected]
Mar 6, 2026	New CVE Received	[email protected]