CVE-2021-43818
published 2021-12-13CVE-2021-43818: lxml is a library for processing XML and HTML in the Python language. Prior to version 4.6.5, the HTML Cleaner in lxml.html lets certain crafted script content…
high7.1CVSS 3.1
AVNACLPRNUIRSCCLILAL
lxml is a library for processing XML and HTML in the Python language. Prior to version 4.6.5, the HTML Cleaner in lxml.html lets certain crafted script content pass through, as well as script content in SVG files embedded using data URIs. Users that employ the HTML cleaner in a security relevant context should upgrade to lxml 4.6.5 to receive a patch. There are no known workarounds available.
Affected
20 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | lxml | < lxml 4.7.1-1 (bookworm) | lxml 4.7.1-1 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| lxml | lxml | < 4.6.5 | 4.6.5 |
| lxml | lxml | >= 0 < 4.6.3+dfsg-0.1+deb11u1 | 4.6.3+dfsg-0.1+deb11u1 |
| lxml | lxml | >= 0 < 4.7.1-1 | 4.7.1-1 |
| lxml | lxml | >= 0 < 4.7.1-1 | 4.7.1-1 |
| lxml | lxml | >= 0 < 4.7.1-1 | 4.7.1-1 |
| lxml | lxml | >= 0 < 4.6.5 | 4.6.5 |
| msrc | cbl2_python-lxml_4.8.0-1_on_cbl_mariner_2.0 | — | — |
| msrc | cm1_python-lxml_4.7.1-1_on_cbl_mariner_1.0 | — | — |
| oracle | communications_cloud_native_core_binding_support_function | — | — |
| oracle | communications_cloud_native_core_network_exposure_function | — | — |
| oracle | communications_cloud_native_core_policy | — | — |
| oracle | http_server | — | — |
| oracle | http_server | — | — |
| oracle | zfs_storage_appliance_kit | — | — |
CVSS provenance
nvdv3.17.1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
osv7.1HIGH