Arbitrary HTML present after sanitization because of unicode normalization

ImpactIf using keeptypographicwhitespace=False which is the default, the sanitizer normalizes unicode to the NFKC form at the end. Some unicode characters normalize to chevrons; this allows specially crafted HTML to escape sanitization. PatchesThe problem has been fixed in 2.4.2. WorkaroundsSet...

CVE-2024-34078

html-sanitizer is an allowlist-based HTML cleaner. If using keeptypographicwhitespace=False which is the default, the sanitizer normalizes unicode to the NFKC form at the end. Some unicode characters normalize to chevrons; this allows specially crafted HTML to escape sanitization. The problem has...

UBUNTU-CVE-2024-34078

html-sanitizer is an allowlist-based HTML cleaner. If using keeptypographicwhitespace=False which is the default, the sanitizer normalizes unicode to the NFKC form at the end. Some unicode characters normalize to chevrons; this allows specially crafted HTML to escape sanitization. The problem has...

CVE-2024-34078 html-sanitizer allows arbitrary HTML present after sanitization because of unicode normalization

html-sanitizer is an allowlist-based HTML cleaner. If using keeptypographicwhitespace=False which is the default, the sanitizer normalizes unicode to the NFKC form at the end. Some unicode characters normalize to chevrons; this allows specially crafted HTML to escape sanitization. The problem has...

CVE-2024-34078

Removed by vendor...

Fedora 29 : glpi (2019-a66789a334)

Add security fix backported from 9.4 : - security Bad chevrons rendering on dropdowns 5468 - security Iframe and forms are rendered in rich text contents 5519 - security Type juggling authentication bypass 5520 - security Malicious images upload 5580 - security Password token date was not reset...