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Vulnerability · Published Feb 18, 2021 · Assigned by snyk

CVE-2020-28491Denial of Service (DoS)

High 7.5

In plain English

A high-severity security flaw in com.fasterxml.jackson.dataformat:jackson-dataformat-cbor. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.4% (higher than 84% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)2.4%top 15.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12jackson-dataformat-cborno fix listedDEBIAN-CVE-2020-28491
Debian:13jackson-dataformat-cbor2.7.8-5.1DEBIAN-CVE-2020-28491
Mavencom.fasterxml.jackson.dataformat:jackson-dataformat-cbor2.11.4GHSA-xmc8-26q4-qjhx
Mavencom.fasterxml.jackson.dataformat:jackson-dataformat-cbor2.12.1GHSA-xmc8-26q4-qjhx
Ubuntu:22.04:LTSjackson-dataformat-cborno fix listedUBUNTU-CVE-2020-28491
Ubuntu:24.04:LTSjackson-dataformat-cborno fix listedUBUNTU-CVE-2020-28491
Ubuntu:25.10jackson-dataformat-cborno fix listedUBUNTU-CVE-2020-28491
Ubuntu:26.04:LTSjackson-dataformat-cborno fix listedUBUNTU-CVE-2020-28491
Ubuntu:26.10jackson-dataformat-cborno fix listedUBUNTU-CVE-2020-28491

Affected products (as reported)

VendorProductVersions
n/a com.fasterxml.jackson.dataformat:jackson-dataformat-cbor 0 – before unspecifiedunspecified – before 2.11.42.12.0-rc1 – before unspecifiedunspecified – before 2.12.1

References