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TI-2022-03170 Aliases CVE-2022-3433GHSA-p383-f595-x4qw

The aeson library is not safe to use to consume untrusted JSON input.

Priority LOW 30CWE-328Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-326.

Summary

The aeson library is not safe to use to consume untrusted JSON input. A remote user could abuse this flaw to produce a hash collision in the underlying unordered-containers library by sending specially crafted JSON data, resulting in a denial of service.

Why it matters now

EPSS 0.00852 58th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—aesonFixed in 2.0.1.0—No fix listedCNA
  • aeson Vendor— Affected Fixed in 2.0.1.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:haskell:aeson:*:*:*:*:*:*:*:*before 2.0.1.0VulnerableHaskell
  • cpe:2.3:a:haskell:aeson:*:*:*:*:*:*:*:* Versions before 2.0.1.0 Vulnerable ·Haskell

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-3433
  2. 2026-10-03 Alias added: GHSA-p383-f595-x4qw

References

Sources