6.5

CVE-2018-1000873: fasterxml jackson-modules-java8 Improper Input Validation

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2018-1000873GHSA-h4x4-5qp2-wp46
Published 20-12-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-1000873 is a medium (CVSS 6.5) Improper Input Validation vulnerability in fasterxml jackson-modules-java8. EPSS estimates a 4.76% chance of exploitation in the next 30 days, higher than 91.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
37/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
4.76%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 20-12-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

4.76%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

0.00 pp

From 4.76% on 18-09-2026

18-09-202618-10-2026
EPSS score
4.76%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Jackson Modules Java8

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Oracle4 products
Com.fasterxml.jackson.datatype1 product
  • jackson-datatype-jsr310< 2.9.8
Fasterxml1 product
Netapp1 product
Ubuntu1 product
  • jackson-databindAll versions (No fix recorded)

5 vendors · 8 products

References

26 links
Show all 26 references