Ubuntu notice USN-8891-1: librsvg flaw with duplicate XML declarations

Source: notice USN-8891-1 from the Ubuntu Security feed, published on October 6, 2026. The text states that librsvg incorrectly handled duplicate XML entity declarations when processing SVG documents that contain nested XML inclusions. According to the notice, an attacker could possibly exploit the flaw to cause denial of service or execute arbitrary code. This content was provided as an automatic translation, so affected versions and fixed packages should be checked in the original notice. How to verify: consult the official notice through the Ubuntu security channel, confirm whether the librsvg package installed on your systems is in the affected list, and apply the update indicated by the vendor. Relevance to Rota Nacional: this is an infrastructure security advisory and does not describe a platform feature. Rota does not patch third-party libraries and does not resolve this flaw. If your team uses AI to study the notice or draft a remediation plan, do not paste internal inventories, credentials, network addresses or personal data into models. Remove or replace such data before sending.