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Vulnerability record · CVE-2018-1000873 · published 20 December 2018

CVE-2018-1000873: Fasterxml jackson-modules-java8 improper input validation vulnerability

Fasterxml · Jackson Modules Java8

Fasterxml Jackson version Before 2.9.8 contains a CWE-20: Improper Input Validation vulnerability in Jackson-Modules-Java8 that can result in Causes a denial-of-service (DoS). This attack appear to be exploitable via The victim deserializes malicious input, specifically very large values in the nanoseconds field of a time value. This vulnerability appears to have been fixed in 2.9.8.

6.5 CVSS 3.1 Medium EPSS 4.8% · top 8.4% CWE-20 · Improper input validation
6.5CVSS 3.1 base score, v2 4.3
4.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
28References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Fasterxml Jackson version Before 2.9.8 contains a CWE-20: Improper Input Validation vulnerability in Jackson-Modules-Java8 that can result in Causes a denial-of-service (DoS). This attack appear to be exploitable via The victim deserializes malicious input, specifically very large values in the nanoseconds field of a time value. This vulnerability appears to have been fixed in 2.9.8.

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

Affected products

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

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=1665601 Issue TrackingThird Party Advisory
https://github.com/FasterXML/jackson-modules-java8/issues/90 ExploitPatchThird Party Advisory
https://github.com/FasterXML/jackson-modules-java8/pull/87 PatchThird Party Advisory
https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f%40%3Cdev.drill.apache.org%
https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442%40%3Cdev.drill.apache.org%
https://lists.apache.org/thread.html/bcce5a9c532b386c68dab2f6b3ce8b0cc9b950ec551766e76391caa3%40%3Ccommits.nifi.apache.o
https://lists.apache.org/thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d2869b4d798e13cc%40%3Cissues.drill.apache.o
https://lists.apache.org/thread.html/ff8dcfe29377088ab655fda9d585dccd5b1f07fabd94ae84fd60a7f8%40%3Ccommits.pulsar.apache
https://lists.apache.org/thread.html/rca37935d661f4689cb4119f1b3b224413b22be161b678e6e6ce0c69b%40%3Ccommits.nifi.apache.
https://security.netapp.com/advisory/ntap-20200904-0004/ Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1665601 Issue TrackingThird Party Advisory
https://github.com/FasterXML/jackson-modules-java8/issues/90 ExploitPatchThird Party Advisory
https://github.com/FasterXML/jackson-modules-java8/pull/87 PatchThird Party Advisory
https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f%40%3Cdev.drill.apache.org%
https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442%40%3Cdev.drill.apache.org%
https://lists.apache.org/thread.html/bcce5a9c532b386c68dab2f6b3ce8b0cc9b950ec551766e76391caa3%40%3Ccommits.nifi.apache.o
https://lists.apache.org/thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d2869b4d798e13cc%40%3Cissues.drill.apache.o
https://lists.apache.org/thread.html/ff8dcfe29377088ab655fda9d585dccd5b1f07fabd94ae84fd60a7f8%40%3Ccommits.pulsar.apache
https://lists.apache.org/thread.html/rca37935d661f4689cb4119f1b3b224413b22be161b678e6e6ce0c69b%40%3Ccommits.nifi.apache.
https://security.netapp.com/advisory/ntap-20200904-0004/ Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-1000873), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.