{"id":"CVE-2020-28491","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-28491","generatedAt":"2026-10-27T23:42:36.580Z","title":"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.","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.","published":"2021-02-18T16:15:13.000Z","lastModified":"2026-06-17T03:10:32.000Z","status":"Modified","sourceIdentifier":"report@snyk.io","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-770"],"affected":["fasterxml/jackson-dataformats-binary","quarkus/quarkus","oracle/weblogic server"],"epss":{"score":0.03074,"percentile":0.87568,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.07%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/FasterXML/jackson-dataformats-binary/commit/de072d314af8f5f269c8abec6930652af67bc8e6","tags":["Patch","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://github.com/FasterXML/jackson-dataformats-binary/issues/186","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://snyk.io/vuln/SNYK-JAVA-COMFASTERXMLJACKSONDATAFORMAT-1047329","tags":["Patch","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://www.oracle.com/security-alerts/cpujul2022.html","tags":["Patch","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://github.com/FasterXML/jackson-dataformats-binary/commit/de072d314af8f5f269c8abec6930652af67bc8e6","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/FasterXML/jackson-dataformats-binary/issues/186","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://snyk.io/vuln/SNYK-JAVA-COMFASTERXMLJACKSONDATAFORMAT-1047329","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpujul2022.html","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-28491","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}