CVE-2022-42004 — In FasterXML jackson-databind before 2

In FasterXML jackson-databind before 2.13.4, resource exhaustion can occur because of a lack of a check in BeanDeserializer._deserializeFromArray to prevent use of deeply nested arrays. An application is vulnerable only with certain customized choices for deserialization.

01What is this vulnerability?

In FasterXML jackson-databind before 2.13.4, resource exhaustion can occur because of a lack of a check in BeanDeserializer._deserializeFromArray to prevent use of deeply nested arrays. An application is vulnerable only with certain customized choices for deserialization.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-10-02T05:15:09.237
• Last modified: 2026-10-07T17:16:43.607

09References

• bugs.chromium.org — https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50490
• github.com — https://github.com/FasterXML/jackson-databind/commit/063183589218fec19a9293ed2f1…
• github.com — https://github.com/FasterXML/jackson-databind/issues/3582
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2022/11/msg00035.html
• security.gentoo.org — https://security.gentoo.org/glsa/202210-21
• security.netapp.com — https://security.netapp.com/advisory/ntap-20221118-0008/
• www.debian.org — https://www.debian.org/security/2022/dsa-5283
• bugs.chromium.org — https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50490
• github.com — https://github.com/FasterXML/jackson-databind/commit/063183589218fec19a9293ed2f1…
• github.com — https://github.com/FasterXML/jackson-databind/issues/3582