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CVE-2021-4249

Published: Dec 18, 2022

Modified: Apr 15, 2025

PUBLISHED

CVSS v3.1

4.3

MEDIUM

Description

A vulnerability was found in xml-conduit. It has been classified as problematic. Affected is an unknown function of the file xml-conduit/src/Text/XML/Stream/Parse.hs of the component DOCTYPE Entity Expansion Handler. The manipulation leads to infinite loop. It is possible to launch the attack remotely. Upgrading to version 1.9.1.0 is able to address this issue. The name of the patch is 4be1021791dcdee8b164d239433a2043dc0939ea. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216204.

Vendor	Product	Versions
unspecified	xml-conduit	affected `0.5.0` affected `0.5.0.1` affected `0.5.1` affected `0.5.1.1` affected `0.5.1.2` +69 more versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

https://github.com/snoyberg/xml/pull/161

https://hackage.haskell.org/package/xml-conduit-1.9.1.0

https://github.com/snoyberg/xml/commit/4be1021791dcdee8b164d239433a2043dc0939ea

https://vuldb.com/?id.216204

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