jackson-databind possible Denial of Service if using JDK serialization to serialize JsonNode

ALTO 7.5CVE-2021-46877 · GHSA-3x8x-79m2-3w2w · Published 18/03/2023 · updated 17/06/2026

Package	Affected versions	Patched versions
com.fasterxml.jackson.core:jackson-databind Maven	`≥ 2.10.0, < 2.12.6≥ 2.13.0, < 2.13.1`	`2.12.62.13.1`
jackson-databind fasterxml	`= 2.13.0≥ 2.10.0, < 2.12.6`	`2.12.6`

Description

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.

NVD description

References

nvd.nist.gov/vuln/detail/CVE-2021-46877 · ADVISORY
FasterXML/jackson-databind · WEB
FasterXML/jackson-databind commit 3ccde7d · WEB
FasterXML/jackson-databind · PACKAGE
FasterXML/jackson · WEB
FasterXML/jackson · WEB
groups.google.com/g/jackson-user/c/OsBsirPM_Vw · WEB

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free