Resource exhaustion in Fasterxml Jackson-Dataformats-Binary

CVE-2020-28491

This affects the package com.fasterxml.jackson.dataformat:jackson-dataformat-cbor from 0 and before 2.11.4, from 2.12.0-rc1 and before 2.12.1. Unchecked allocation of byte buffer can cause a java.lang.OutOfMemoryError exception.

EPSS: 0.031 (86.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-28491?
CVE-2020-28491 is a high-severity vulnerability in Fasterxml Jackson-Dataformats-Binary, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2021-02-18.
How severe is CVE-2020-28491?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-28491 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.