CVE-2021-46877: jackson-databind fixed in 2.13.1 and 2.12.6

CVE-2021-46877 PUBLISHED CVSS 7.5 HIGH

Reported by mitre · Published March 18, 2023

jackson-databind is fixed in 2.13.1 and 2.12.6 (Maven Central)

jackson-databind 2.10.x through 2.12.x before 2.12.6 and 2.13.x before 2.13.1 allows attackers to cause a denial of service (2 GB transient heap usage per read) in uncommon situations involving JsonNode JDK serialization.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

Package	Ecosystem	Fixed in
com.fasterxml.jackson.core:jackson-databind	Maven Central	2.13.1, 2.12.6
management-api-for-apache-cassandra-5.0	Chainguard	0.1.89-r0
scala-3.8	Chainguard	3.8.4-r1
management-api-for-apache-cassandra-4.1	Wolfi	0.1.109-r0
cassandra-reaper	Chainguard	4.0.1-r1
management-api-for-apache-cassandra-4.0	Chainguard	0.1.89-r0
management-api-for-apache-cassandra-4.1	Chainguard	0.1.109-r0
scala-3.8	Wolfi	3.8.4-r1
jackson-databind	Amazon Linux	2.11.4-6.amzn2023.0.2
jackson-databind	fasterxml	2.12.6

Risk scores

CVSS 3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Vendor	Product	Versions
n/a	n/a	n/a
chainguard	management-api-for-apache-cassandra-5.0	0
Maven	com.fasterxml.jackson.core:jackson-databind	2.13.0, 2.10.0
chainguard	scala-3.8	0
wolfi	management-api-for-apache-cassandra-4.1	0
chainguard	cassandra-reaper	0
chainguard	management-api-for-apache-cassandra-4.0	0
chainguard	management-api-for-apache-cassandra-4.1	0
wolfi	scala-3.8	0
amazon:2023	jackson-databind	0
n/a	n/a	*
wolfi	cassandra-reaper	0
wolfi	management-api-for-apache-cassandra-5.0	0
chainguard	request-1277	0

Timeline

Mar 18, 2023 CVE Published
Mar 19, 2023 EPSS Score (30 in total, the first dated here)
Dec 12, 2023 CVE Updated
Mar 17, 2026 Security Advisory (17 in total, the first dated here)
Jul 14, 2026 Coalition ESS Score
Nov 3, 2026 Distribution Patch (16 in total, the first dated here)

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2021-46877
vulnetix vdb fixes CVE-2021-46877

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-46877/fixes/registry"

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References

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