[UPDATE] [medium] FasterXML Jackson: Multiple vulnerabilities allow Denial of Service
An attacker can exploit multiple vulnerabilities in FasterXML Jackson to conduct a Denial of Service attack.
CSIRTS triage
- What
- Multiple vulnerabilities can be exploited to conduct a Denial of Service attack.
- Who is affected
- Attackers exploiting vulnerabilities in FasterXML Jackson.
- Urgency
- Remediation is important due to the potential for Denial of Service attacks.
- Action
- Apply available patches for the affected versions.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-1608
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Moderate exploitation riskCVE-2022-420032.8% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 85% of all scored CVEs.
- Moderate exploitation riskCVE-2022-420042.7% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 84% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2022-42003 | coverage & exploitation status | NVD · CVE.org |
| CVE-2022-42004 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for FasterXML Jackson
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- high[UPDATE] [high] FasterXML Jackson: Multiple vulnerabilitiescert-bund · 2026-07-10
- medium[UPDATE] [medium] FasterXML Jackson: Vulnerability allows bypassing security measurescert-bund · 2026-07-07
- medium[UPDATE] [medium] FasterXML Jackson: Vulnerability allows Denial of Servicecert-bund · 2026-07-06
- low[UPDATE] [low] FasterXML Jackson: Vulnerability allows information disclosurecert-bund · 2026-07-06
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