{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"moderate"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for python-lxml_html_clean","title":"Title of the patch"},{"category":"description","text":"This update for python-lxml_html_clean fixes the following issues:\n\nChanges in python-lxml_html_clean:\n\n- CVE-2026-28348: improper keywords checking can allow external CSS loading (bsc#1259378)\n- CVE-2026-28350: lack of base tag handling can allow the hijacking of the resolution of relative URLs (bsc#1259379)\n","title":"Description of the patch"},{"category":"details","text":"openSUSE-Leap-16.0-packagehub-157","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"SUSE ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"self","summary":"URL of this CSAF notice","url":"https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_20345-1.json"},{"category":"self","summary":"SUSE Bug 1259378","url":"https://bugzilla.suse.com/1259378"},{"category":"self","summary":"SUSE Bug 1259379","url":"https://bugzilla.suse.com/1259379"},{"category":"self","summary":"SUSE CVE CVE-2026-28348 page","url":"https://www.suse.com/security/cve/CVE-2026-28348/"},{"category":"self","summary":"SUSE CVE CVE-2026-28350 page","url":"https://www.suse.com/security/cve/CVE-2026-28350/"}],"title":"Security update for python-lxml_html_clean","tracking":{"current_release_date":"2026-03-11T18:05:18Z","generator":{"date":"2026-03-11T18:05:18Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"openSUSE-SU-2026:20345-1","initial_release_date":"2026-03-11T18:05:18Z","revision_history":[{"date":"2026-03-11T18:05:18Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"python313-lxml_html_clean-0.4.2-bp160.2.1.noarch","product":{"name":"python313-lxml_html_clean-0.4.2-bp160.2.1.noarch","product_id":"python313-lxml_html_clean-0.4.2-bp160.2.1.noarch"}}],"category":"architecture","name":"noarch"},{"branches":[{"category":"product_name","name":"openSUSE Leap 16.0","product":{"name":"openSUSE Leap 16.0","product_id":"openSUSE Leap 16.0"}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"python313-lxml_html_clean-0.4.2-bp160.2.1.noarch as component of openSUSE Leap 16.0","product_id":"openSUSE Leap 16.0:python313-lxml_html_clean-0.4.2-bp160.2.1.noarch"},"product_reference":"python313-lxml_html_clean-0.4.2-bp160.2.1.noarch","relates_to_product_reference":"openSUSE Leap 16.0"}]},"vulnerabilities":[{"cve":"CVE-2026-28348","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2026-28348"}],"notes":[{"category":"general","text":"lxml_html_clean is a project for HTML cleaning functionalities copied from `lxml.html.clean`. Prior to version 0.4.4, the _has_sneaky_javascript() method strips backslashes before checking for dangerous CSS keywords. This causes CSS Unicode escape sequences to bypass the @import and expression() filters, allowing external CSS loading or XSS in older browsers. This issue has been patched in version 0.4.4.","title":"CVE description"}],"product_status":{"recommended":["openSUSE Leap 16.0:python313-lxml_html_clean-0.4.2-bp160.2.1.noarch"]},"references":[{"category":"external","summary":"CVE-2026-28348","url":"https://www.suse.com/security/cve/CVE-2026-28348"},{"category":"external","summary":"SUSE Bug 1259378 for CVE-2026-28348","url":"https://bugzilla.suse.com/1259378"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["openSUSE Leap 16.0:python313-lxml_html_clean-0.4.2-bp160.2.1.noarch"]}],"threats":[{"category":"impact","date":"2026-03-11T18:05:18Z","details":"moderate"}],"title":"CVE-2026-28348"},{"cve":"CVE-2026-28350","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2026-28350"}],"notes":[{"category":"general","text":"lxml_html_clean is a project for HTML cleaning functionalities copied from `lxml.html.clean`. Prior to version 0.4.4, the <base> tag passes through the default Cleaner configuration. While page_structure=True removes html, head, and title tags, there is no specific handling for <base>, allowing an attacker to inject it and hijack relative links on the page. This issue has been patched in version 0.4.4.","title":"CVE description"}],"product_status":{"recommended":["openSUSE Leap 16.0:python313-lxml_html_clean-0.4.2-bp160.2.1.noarch"]},"references":[{"category":"external","summary":"CVE-2026-28350","url":"https://www.suse.com/security/cve/CVE-2026-28350"},{"category":"external","summary":"SUSE Bug 1259379 for CVE-2026-28350","url":"https://bugzilla.suse.com/1259379"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["openSUSE Leap 16.0:python313-lxml_html_clean-0.4.2-bp160.2.1.noarch"]}],"threats":[{"category":"impact","date":"2026-03-11T18:05:18Z","details":"moderate"}],"title":"CVE-2026-28350"}]}