CVE-2021-4249

xml-conduit DOCTYPE Entity Expansion Parse.hs infinite loop

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.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.10%
Vendor Advisory haskell.org
Affected: unspecified xml-conduit
Published at:
Updated at:

References

Link Tags
https://github.com/snoyberg/xml/pull/161 third party advisory patch
https://hackage.haskell.org/package/xml-conduit-1.9.1.0 release notes vendor advisory
https://github.com/snoyberg/xml/commit/4be1021791dcdee8b164d239433a2043dc0939ea third party advisory patch
https://vuldb.com/?id.216204 third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-4249?
CVE-2021-4249 has been scored as a medium severity vulnerability.
How to fix CVE-2021-4249?
To fix CVE-2021-4249, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-4249 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-4249 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-4249?
CVE-2021-4249 affects unspecified xml-conduit.
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