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.
Timeline
ID reserved
By snyk
- 3 months later
· 3 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| snykCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.4% · top 16% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- Denial of Service (DoS)
- CWE-770 (opens in a new tab)All about CWE-770 and its CVEs
Affected products
com.fasterxml.jackson.dataformat:jackson-dataformat-cbor
- affected < unspecified
- affected unspecified – < 2.11.4
- affected 2.12.0-rc1 – < unspecified
- affected unspecified – < 2.12.1
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavencom.fasterxml.jackson.dataformat:jackson-dataformat-cborGHSA-xmc8-26q4-qjhx (opens in a new tab)
References (4)
- https://snyk.io/vuln/SNYK-JAVA-COMFASTERXMLJACKSONDATAFORMAT-1047329 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/FasterXML/jackson-dataformats-binary/issues/186 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/FasterXML/jackson-dataformats-binary/commit/de072d314af8f5f269c8abec6930652af67bc8e6 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.oracle.com/security-alerts/cpujul2022.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-xmc8-26q4-qjhx (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-28491)Record last updated .