Vulnerability in Haskell Xml-Conduit
CVE-2021-4249
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.008 (55.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000
Affected products
- Haskell Xml-Conduit
- Unspecified Xml-Conduit — versions 0.5.0, 0.5.0.1, 0.5.1
Weakness classification (CWE)
References
- github.com/snoyberg/xml/pull/161 (Patch, Third Party Advisory)
- hackage.haskell.org/package/xml-conduit-1.9.1.0 (Release Notes, Vendor Advisory)
- github.com/snoyberg/xml/commit/4be1021791dcdee8b164d239433a2043dc0939ea (Patch, Third Party Advisory)
- vuldb.com/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-4249?
- CVE-2021-4249 is a medium-severity vulnerability in Haskell Xml-Conduit, classified under Improper Resource Shutdown or Release. CVSS score: 4.3/10. Published 2022-12-18.
- How severe is CVE-2021-4249?
- Medium severity. CVSS v3 base score is 4.3 out of 10.