CVE-2021-4249 - CVE House
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Status published Medium CVE-2021-4249

xml-conduit DOCTYPE Entity Expansion Parse.hs infinite loop

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

unspecified

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Affected Software

xml-conduit
Vulnerable Versions:
0.5.0, 0.5.0.1, 0.5.1, 0.5.1.1, 0.5.1.2, 0.5.2, 0.5.3, 0.5.3.1, 0.5.4, 0.6.0, 0.6.1, 0.7.0, 0.7.0.1, 0.7.0.2, 0.7.0.3, 1.0.0, 1.0.1, 1.0.1.1, 1.0.2, 1.0.2.1, 1.0.3, 1.0.3.1, 1.0.3.2, 1.0.3.3, 1.1.0, 1.1.0.1, 1.1.0.2, 1.1.0.3, 1.1.0.4, 1.1.0.5, 1.1.0.6, 1.1.0.7, 1.1.0.8, 1.1.0.9, 1.2.0, 1.2.0.1, 1.2.0.2, 1.2.0.3, 1.2.1, 1.2.1.1, 1.2.2, 1.2.3, 1.2.3.1, 1.2.3.2, 1.2.3.3, 1.2.4, 1.2.5, 1.2.5.1, 1.2.6, 1.3.0, 1.3.1, 1.3.2, 1.3.3, 1.3.3.1, 1.3.4, 1.3.4.1, 1.3.4.2, 1.3.5, 1.4.0, 1.4.0.1, 1.4.0.2, 1.4.0.3, 1.4.0.4, 1.5.0, 1.5.1, 1.6.0, 1.7.0, 1.7.0.1, 1.7.1.0, 1.7.1.1, 1.7.1.2, 1.8.0, 1.8.0.1, 1.9.0.0

Timeline

Official Publish: December 18th, 2022
Last Modified: April 15th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Weaknesses (CWE)