🛡️ CVE-2020-28491 — jackson-dataformat-cbor
Description
Denial of Service (DoS) in Jackson Dataformat CBOR
This affects the package com.fasterxml.jackson.dataformat:jackson-dataformat-cbor from 2.8.0-rc1 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.
How this vulnerability can be exploited
This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.
Weakness class
CVE-2020-28491 is classified as CWE-770: Allocation of Resources Without Limits. Resources are allocated on request with no cap, so a client can exhaust them.
Affected software
CVE-2020-28491 is recorded against 1 package.
- com.fasterxml.jackson.dataformat:jackson-dataformat-cbor (from 2.12.0rc1 up to 2.12.1)
Timeline and source
Published on 9 December 2021 and last revised on 13 March 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
github.com (Web)
github.com (Package)
snyk.io (Web)
www.oracle.com (Web)
Details
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| com.fasterxml.jackson.dataformat:jackson-dataformat-cbor | 2.12.0rc1 | 2.12.1 |
References
Similar Threats
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