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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. markdown-it is a Markdown parser. From versions 14.1.0 to before 14.3.3, and 15.0.0 to before 15.0.3, a link reference definition whose label or title is never closed is O(n²) with default options. Continuation lines are pulled lazily with str += lineContent in src/rules_block/reference.ts, and the subsequent charCodeAt and slice calls flatten the V8 cons-string, copying everything collected so far; this runs before the rule decides the definition is invalid. No options are required to trigger it. This issue has been patched in versions 14.3.3 and 15.0.3.
FEDORA-2026-8f8cd892e5 (markdownlint-cli2-0.24.0-1.fc45) has been submitted as an update to Fedora 45. https://bodhi.fedoraproject.org/updates/FEDORA-2026-8f8cd892e5
FEDORA-2026-6215800886 (markdownlint-cli2-0.24.0-1.fc44) has been submitted as an update to Fedora 44. https://bodhi.fedoraproject.org/updates/FEDORA-2026-6215800886
FEDORA-2026-183d3c32a6 (markdownlint-cli2-0.24.0-1.fc43) has been submitted as an update to Fedora 43. https://bodhi.fedoraproject.org/updates/FEDORA-2026-183d3c32a6
FEDORA-2026-183d3c32a6 has been pushed to the Fedora 43 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-183d3c32a6` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-183d3c32a6 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-8f8cd892e5 has been pushed to the Fedora 45 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-8f8cd892e5` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-8f8cd892e5 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-6215800886 has been pushed to the Fedora 44 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-6215800886` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-6215800886 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-8f8cd892e5 (markdownlint-cli2-0.24.0-1.fc45) has been pushed to the Fedora 45 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-2026-6215800886 (markdownlint-cli2-0.24.0-1.fc44) has been pushed to the Fedora 44 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-2026-183d3c32a6 (markdownlint-cli2-0.24.0-1.fc43) has been pushed to the Fedora 43 stable repository. If problem still persists, please make note of it in this bug report.