Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process. The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT. https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
Updating brotli to 1.2.0 will expose the Python APIs necessary to mitigate this in scrapy. The actual fix will then be updating python-scrapy to 2.13.4, https://docs.scrapy.org/en/latest/news.html#scrapy-2-13-4-2025-11-17.
FEDORA-2025-9e233a4e22 (brotli-1.2.0-1.fc42 and perl-Alien-Brotli-0.2.2-11.fc42) has been submitted as an update to Fedora 42. https://bodhi.fedoraproject.org/updates/FEDORA-2025-9e233a4e22
FEDORA-2025-9e233a4e22 has been pushed to the Fedora 42 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2025-9e233a4e22` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2025-9e233a4e22 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2025-9e233a4e22 (brotli-1.2.0-1.fc42 and perl-Alien-Brotli-0.2.2-11.fc42) has been pushed to the Fedora 42 stable repository. If problem still persists, please make note of it in this bug report.