Answer in brief
CVE-2021-46877 records a High severity (CVSS 7.5) vulnerability in jackson-databind possible Denial of Service if using JDK serialization to serialize JsonNode. The current sources do not mark it as known exploited. The current feed maps com.fasterxml.jackson.core:jackson-databind (maven), com.fasterxml.jackson.core:jackson-databind (maven). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps com.fasterxml.jackson.core:jackson-databind (maven), com.fasterxml.jackson.core:jackson-databind (maven). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| com.fasterxml.jackson.core:jackson-databindmaven | >=2.10.0 <2.12.6 | 2.12.6 |
| com.fasterxml.jackson.core:jackson-databindmaven | >=2.13.0 <2.13.1 | 2.13.1 |
Published upstream
Mar 19, 2023
Evidence: source:osv:source_dates:source-dates:recordSource modified
Sep 10, 2026
Evidence: source:osv:source_dates:source-dates:recordFirst seen by HOL
Sep 10, 2026
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.
Quoted source text, attributed separately from HOL analysis.