CVE-2022-42003 Uncontrolled Resource Consumption in Jackson-databind
Attackers can cause resource exhaustion via deep wrapper array nesting in jackson-databind when UNWRAP_SINGLE_VALUE_ARRAYS is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-42003?
CVE-2022-42003 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 2 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In FasterXML jackson-databind before versions 2.13.4.1 and 2.12.17.1, resource exhaustion can occur because of a lack of a check in primitive value deserializers to avoid deep wrapper array nesting, when the UNWRAP_SINGLE_VALUE_ARRAYS feature is enabled.
Weakness: CWE-502
Which versions are affected by CVE-2022-42003?
4 open source packages ship an affected version, including com.fasterxml.jackson.core:jackson-databind. It affects 4 products.
| Package | Affected | Fixed in |
|---|---|---|
com.fasterxml.jackson.core:jackson-databind Maven | From 2.13.0 | 2.13.4.2 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.13.0 | 2.13.4.2 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.4.0-rc1 | 2.12.7.1 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.4.0-rc1 | 2.12.7.1 |
Linux distribution packages (1)
java-jwt openSUSE:Tumbleweed | All versions | 4.4.0-1.1 |
Products include Debian Debian Linux, Fasterxml Jackson-Databind, Netapp Oncommand Workflow Automation, Quarkus Quarkus.
How do I fix CVE-2022-42003?
Upgrade com.fasterxml.jackson.core:jackson-databind to a fixed version for your release line: 2.13.4.2 or 2.12.7.1.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-42003 being exploited?
There is no known exploitation of CVE-2022-42003 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as CLEANSTART-2025-LH78565, CLEANSTART-2026-AS89011, DEBIAN-CVE-2022-42003, ECHO-eda2-5b30-fb0d, GHSA-jjjh-jjxp-wpff, MINI-447r-3mgx-rrqv and 7 more.