Vulnerability · Published Dec 18, 2022 · Assigned by VulDB
CVE-2021-4249xml-conduit DOCTYPE Entity Expansion Parse.hs infinite loop
Medium 4.3
In plain English
A medium-severity security flaw in xml-conduit from unspecified. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | haskell-xml-conduit | 1.9.1.1-1 | DEBIAN-CVE-2021-4249 |
| Debian:13 | haskell-xml-conduit | 1.9.1.1-1 | DEBIAN-CVE-2021-4249 |
| Debian:14 | haskell-xml-conduit | 1.9.1.1-1 | DEBIAN-CVE-2021-4249 |
| Ubuntu:22.04:LTS | haskell-xml-conduit | no fix listed | UBUNTU-CVE-2021-4249 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| unspecified | xml-conduit | 0.5.00.5.0.10.5.10.5.1.10.5.1.20.5.20.5.30.5.3.1 |
Weakness: CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L