CVE-2022-3433

MEDIUM
Published Oct 10, 20223y ago · Modified Jun 17, 20262w ago
6.5 CVSS 3.1
Medium
Find Similar
Published Oct 10, 2022 3y ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
6.5
Exploitability
2.8
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 2

CWE-326
CWE-328

Affected Products 1

VendorProductVersionRange
haskellaeson* <2.0.1.0

References 1

  • cs-syd.eu https://cs-syd.eu/posts/2021-09-11-json-vulnerability
    ExploitPatchTechnical DescriptionThird Party Advisory

Remediation

  • cs-syd.eu https://cs-syd.eu/posts/2021-09-11-json-vulnerability
    ExploitPatchTechnical DescriptionThird Party Advisory