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CVE-2021-4249

MEDIUM
Published 2022-12-18T00:00:00.000Z
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CVSS Score

V3.1
4.3
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.280
Higher than 28.0% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
LOW

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

unspecified

xml-conduit

Affected 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

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-r5mv-3cq3-727q

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-4249
WEB https://github.com/snoyberg/xml/pull/161
WEB https://github.com/snoyberg/xml/commit/4be1021791dcdee8b164d239433a2043dc0939ea
WEB https://hackage.haskell.org/package/xml-conduit-1.9.1.0
WEB https://vuldb.com/?id.216204

Advisory provided by GitHub Security Advisory Database. Published: December 18, 2022, Modified: December 22, 2022

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
Published: 2022-12-18T00:00:00.000Z
Last Modified: 2025-04-15T13:00:10.630Z
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