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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. simdjson 4.6.1 contains a one-byte out-of-bounds read vulnerability in dom::parser::parse_unpadded(). A specially crafted truncated JSON document whose final structural token closes a nested array or object can cause json_iterator::walk_document() to access buf[len] after the input buffer has been exhausted. This results in a heap out-of-bounds read and may cause application termination, leading to denial of service.
FEDORA-EPEL-2026-8a421bf5fb (simdjson-5.0.1-1.el10_4) has been submitted as an update to Fedora EPEL 10.4. https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-8a421bf5fb
FEDORA-EPEL-2026-36f6602332 (simdjson-5.0.1-1.el10_3) has been submitted as an update to Fedora EPEL 10.3. https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-36f6602332
FEDORA-EPEL-2026-01f818d873 (simdjson-5.0.1-1.el9) has been submitted as an update to Fedora EPEL 9. https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-01f818d873
FEDORA-EPEL-2026-8a421bf5fb has been pushed to the Fedora EPEL 10.4 testing repository. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-8a421bf5fb See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-EPEL-2026-36f6602332 has been pushed to the Fedora EPEL 10.3 testing repository. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-36f6602332 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-EPEL-2026-01f818d873 has been pushed to the Fedora EPEL 9 testing repository. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-01f818d873 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-EPEL-2026-36f6602332 (simdjson-5.0.1-1.el10_3) has been pushed to the Fedora EPEL 10.3 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-EPEL-2026-8a421bf5fb (simdjson-5.0.1-1.el10_4) has been pushed to the Fedora EPEL 10.4 stable repository. If problem still persists, please make note of it in this bug report.
FEDORA-EPEL-2026-01f818d873 (simdjson-5.0.1-1.el9) has been pushed to the Fedora EPEL 9 stable repository. If problem still persists, please make note of it in this bug report.