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CVE-2021-46877

HIGH
7.5
CVSS Score
Published: March 18, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 04:15 AM UTC
1 product affected across 1 vendorJackson Databind

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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Jackson Databind· Fasterxmlmaven
95%
2.10.0 ≤ v < 2.12.62.13.02.13.0 rc12.13.0 rc2
Affected range stops below 2.12.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

ExploitIssue TrackingVendor Advisory
Source: [email protected]
https://github.com/FasterXML/jackson-databind/issues/3328
Mailing ListRelease Notes
Source: [email protected]
https://groups.google.com/g/jackson-user/c/OsBsirPM_Vw

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-770

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