{"items":[{"id":"NVI-00007803","kind":"vulnerability","title":"Symfony Http-Kernel has non-constant time comparison in UriSigner","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-q8hg-pf8v-cxrv","CVE-2019-18887"],"plain_summary":"OSV carries this publisher advisory for symfony/http-kernel, symfony/http-kernel, symfony/http-kernel, symfony/http-kernel, symfony/symfony. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.8.52 for symfony/http-kernel. Confirm the publisher’s latest guidance.","source_ids":["sr-e92f0a36dfa30c5d81706b5bc48406ad"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 3.4.35 for symfony/http-kernel. Confirm the publisher’s latest guidance.","source_ids":["sr-e92f0a36dfa30c5d81706b5bc48406ad"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.2.12 for symfony/http-kernel. Confirm the publisher’s latest guidance.","source_ids":["sr-e92f0a36dfa30c5d81706b5bc48406ad"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.3.8 for symfony/http-kernel. Confirm the publisher’s latest guidance.","source_ids":["sr-e92f0a36dfa30c5d81706b5bc48406ad"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.8.52 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-e92f0a36dfa30c5d81706b5bc48406ad"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 3.4.35 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-e92f0a36dfa30c5d81706b5bc48406ad"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.2.12 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-e92f0a36dfa30c5d81706b5bc48406ad"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.3.8 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-e92f0a36dfa30c5d81706b5bc48406ad"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-e92f0a36dfa30c5d81706b5bc48406ad","url":"https://github.com/advisories/GHSA-q8hg-pf8v-cxrv","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-q8hg-pf8v-cxrv","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:31.000Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-e92f0a36dfa30c5d81706b5bc48406ad"],"technology":"symfony/http-kernel","known_exclusions":[],"conditions_summary":"When checking the signature of an URI (an ESI fragment URL for instance), the URISigner did not used a constant time string comparison function, resulting in a potential remote timing attack vulnerability.","public_affected_ranges":["ECOSYSTEM: introduced 2.2.0; fixed 2.8.52"]},{"certainty":"source_listed","source_ids":["sr-e92f0a36dfa30c5d81706b5bc48406ad"],"technology":"symfony/http-kernel","known_exclusions":[],"conditions_summary":"When checking the signature of an URI (an ESI fragment URL for instance), the URISigner did not used a constant time string comparison function, resulting in a potential remote timing attack vulnerability.","public_affected_ranges":["ECOSYSTEM: introduced 3.0.0; fixed 3.4.35"]},{"certainty":"source_listed","source_ids":["sr-e92f0a36dfa30c5d81706b5bc48406ad"],"technology":"symfony/http-kernel","known_exclusions":[],"conditions_summary":"When checking the signature of an URI (an ESI fragment URL for instance), the URISigner did not used a constant time string comparison function, resulting in a potential remote timing attack vulnerability.","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0; fixed 4.2.12"]},{"certainty":"source_listed","source_ids":["sr-e92f0a36dfa30c5d81706b5bc48406ad"],"technology":"symfony/http-kernel","known_exclusions":[],"conditions_summary":"When checking the signature of an URI (an ESI fragment URL for instance), the URISigner did not used a constant time string comparison function, resulting in a potential remote timing attack vulnerability.","public_affected_ranges":["ECOSYSTEM: introduced 4.3.0; fixed 4.3.8"]},{"certainty":"source_listed","source_ids":["sr-e92f0a36dfa30c5d81706b5bc48406ad"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"When checking the signature of an URI (an ESI fragment URL for instance), the URISigner did not used a constant time string comparison function, resulting in a potential remote timing attack vulnerability.","public_affected_ranges":["ECOSYSTEM: introduced 2.2.0; fixed 2.8.52"]},{"certainty":"source_listed","source_ids":["sr-e92f0a36dfa30c5d81706b5bc48406ad"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"When checking the signature of an URI (an ESI fragment URL for instance), the URISigner did not used a constant time string comparison function, resulting in a potential remote timing attack vulnerability.","public_affected_ranges":["ECOSYSTEM: introduced 3.0.0; fixed 3.4.35"]},{"certainty":"source_listed","source_ids":["sr-e92f0a36dfa30c5d81706b5bc48406ad"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"When checking the signature of an URI (an ESI fragment URL for instance), the URISigner did not used a constant time string comparison function, resulting in a potential remote timing attack vulnerability.","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0; fixed 4.2.12"]},{"certainty":"source_listed","source_ids":["sr-e92f0a36dfa30c5d81706b5bc48406ad"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"When checking the signature of an URI (an ESI fragment URL for instance), the URISigner did not used a constant time string comparison function, resulting in a potential remote timing attack vulnerability.","public_affected_ranges":["ECOSYSTEM: introduced 4.3.0; fixed 4.3.8"]}],"null_published_at":"2026-10-31T22:13:18.635Z","source_updated_at":"2024-02-20T05:19:46.052Z","source_disclosed_at":"2022-03-26T00:22:49.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:31.000Z"}],"next_cursor":null,"snapshot_revision":"44495"}