DescriptionThe 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs1009678

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
haskell-aeson (PTS)buster1.3.1.1-3vulnerable
bookworm, sid2.0.3.0-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[bullseye] - haskell-aeson <no-dsa> (Minor issue)
[buster] - haskell-aeson <no-dsa> (Minor issue)
[stretch] - haskell-aeson <no-dsa> (Minor issue) (v2.0.1.0)

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