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Vulnerability record · CVE-2022-42003 · published 2 October 2022

CVE-2022-42003: Fasterxml jackson-databind deserialization of untrusted data vulnerability

Fasterxml · Jackson Databind

In FasterXML jackson-databind before versions 2.13.4.1 and 2.12.17.1, resource exhaustion can occur because of a lack of a check in primitive value deserializers to avoid deep wrapper array nesting, when the UNWRAP_SINGLE_VALUE_ARRAYS feature is enabled.

7.5 CVSS 3.1 High EPSS 3.4% · top 11.6% CWE-502 · Deserialization of untrusted data
7.5CVSS 3.1 base score
3.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
14References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

In FasterXML jackson-databind before versions 2.13.4.1 and 2.12.17.1, resource exhaustion can occur because of a lack of a check in primitive value deserializers to avoid deep wrapper array nesting, when the UNWRAP_SINGLE_VALUE_ARRAYS feature is enabled.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=51020 ExploitIssue TrackingMailing ListPatchThird Party Advisory
https://github.com/FasterXML/jackson-databind/commit/d78d00ee7b5245b93103fef3187f70543d67ca33 PatchThird Party Advisory
https://github.com/FasterXML/jackson-databind/issues/3590 ExploitIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00035.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202210-21 Third Party Advisory
https://security.netapp.com/advisory/ntap-20221124-0004/ Third Party Advisory
https://www.debian.org/security/2022/dsa-5283 Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=51020 ExploitIssue TrackingMailing ListPatchThird Party Advisory
https://github.com/FasterXML/jackson-databind/commit/d78d00ee7b5245b93103fef3187f70543d67ca33 PatchThird Party Advisory
https://github.com/FasterXML/jackson-databind/issues/3590 ExploitIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00035.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202210-21 Third Party Advisory
https://security.netapp.com/advisory/ntap-20221124-0004/ Third Party Advisory
https://www.debian.org/security/2022/dsa-5283 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2022-42003), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.