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.
Scores
CVSS v3
6.5
EPSS
0.0030
EPSS Percentile
52.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-326
CWE-328
Status
published
Products (1)
haskell/aeson
< 2.0.1.0
Published
Oct 10, 2022
Tracked Since
Feb 18, 2026