{"items":[{"id":"NVI-00005541","kind":"vulnerability","title":"Symfony vulnerable to denial of service via a malicious HTTP Host header","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-v77v-x634-9m56","CVE-2014-5244"],"plain_summary":"OSV carries this publisher advisory for symfony/http-foundation, symfony/http-foundation, symfony/http-foundation, symfony/symfony, 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 2.3.19 for symfony/http-foundation. Confirm the publisher’s latest guidance.","source_ids":["sr-93be08837561115cb347e4263dd56c99"],"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 2.4.9 for symfony/http-foundation. Confirm the publisher’s latest guidance.","source_ids":["sr-93be08837561115cb347e4263dd56c99"],"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 2.5.4 for symfony/http-foundation. Confirm the publisher’s latest guidance.","source_ids":["sr-93be08837561115cb347e4263dd56c99"],"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 2.3.19 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-93be08837561115cb347e4263dd56c99"],"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 2.4.9 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-93be08837561115cb347e4263dd56c99"],"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 2.5.4 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-93be08837561115cb347e4263dd56c99"],"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-93be08837561115cb347e4263dd56c99","url":"https://github.com/advisories/GHSA-v77v-x634-9m56","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-v77v-x634-9m56","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.372Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-93be08837561115cb347e4263dd56c99"],"technology":"symfony/http-foundation","known_exclusions":[],"conditions_summary":"All 2.0.X, 2.1.X, 2.2.X, 2.3.X, 2.4.X, and 2.5.X versions of the Symfony HttpFoundation component are affected by this security issue.\n\nThis issue has been fixed in Symfony 2.3.19, 2.4.9, and 2.5.4. Note that no fixes are provided for Symfony 2.0, 2.1, and 2.2 as they are not maintained anymore.\n\nDescription\nWhen an arbitrarily long hostname is sent by a client, its parsing in `Request::getHost()` can lead to a DoS attack, due to the way we validate the hostname via a regular expression.\n\nResolution\nThe regular expression used to parse and validate the hostname from the HTTP request has been modified to avoid too much sensitivity to the submitted value length.\n\nThe patch for this issue is available here: https://github.com/symfony/symfony/pull/11828","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.3.19"]},{"certainty":"source_listed","source_ids":["sr-93be08837561115cb347e4263dd56c99"],"technology":"symfony/http-foundation","known_exclusions":[],"conditions_summary":"All 2.0.X, 2.1.X, 2.2.X, 2.3.X, 2.4.X, and 2.5.X versions of the Symfony HttpFoundation component are affected by this security issue.\n\nThis issue has been fixed in Symfony 2.3.19, 2.4.9, and 2.5.4. Note that no fixes are provided for Symfony 2.0, 2.1, and 2.2 as they are not maintained anymore.\n\nDescription\nWhen an arbitrarily long hostname is sent by a client, its parsing in `Request::getHost()` can lead to a DoS attack, due to the way we validate the hostname via a regular expression.\n\nResolution\nThe regular expression used to parse and validate the hostname from the HTTP request has been modified to avoid too much sensitivity to the submitted value length.\n\nThe patch for this issue is available here: https://github.com/symfony/symfony/pull/11828","public_affected_ranges":["ECOSYSTEM: introduced 2.4.0; fixed 2.4.9"]},{"certainty":"source_listed","source_ids":["sr-93be08837561115cb347e4263dd56c99"],"technology":"symfony/http-foundation","known_exclusions":[],"conditions_summary":"All 2.0.X, 2.1.X, 2.2.X, 2.3.X, 2.4.X, and 2.5.X versions of the Symfony HttpFoundation component are affected by this security issue.\n\nThis issue has been fixed in Symfony 2.3.19, 2.4.9, and 2.5.4. Note that no fixes are provided for Symfony 2.0, 2.1, and 2.2 as they are not maintained anymore.\n\nDescription\nWhen an arbitrarily long hostname is sent by a client, its parsing in `Request::getHost()` can lead to a DoS attack, due to the way we validate the hostname via a regular expression.\n\nResolution\nThe regular expression used to parse and validate the hostname from the HTTP request has been modified to avoid too much sensitivity to the submitted value length.\n\nThe patch for this issue is available here: https://github.com/symfony/symfony/pull/11828","public_affected_ranges":["ECOSYSTEM: introduced 2.5.0; fixed 2.5.4"]},{"certainty":"source_listed","source_ids":["sr-93be08837561115cb347e4263dd56c99"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"All 2.0.X, 2.1.X, 2.2.X, 2.3.X, 2.4.X, and 2.5.X versions of the Symfony HttpFoundation component are affected by this security issue.\n\nThis issue has been fixed in Symfony 2.3.19, 2.4.9, and 2.5.4. Note that no fixes are provided for Symfony 2.0, 2.1, and 2.2 as they are not maintained anymore.\n\nDescription\nWhen an arbitrarily long hostname is sent by a client, its parsing in `Request::getHost()` can lead to a DoS attack, due to the way we validate the hostname via a regular expression.\n\nResolution\nThe regular expression used to parse and validate the hostname from the HTTP request has been modified to avoid too much sensitivity to the submitted value length.\n\nThe patch for this issue is available here: https://github.com/symfony/symfony/pull/11828","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.3.19"]},{"certainty":"source_listed","source_ids":["sr-93be08837561115cb347e4263dd56c99"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"All 2.0.X, 2.1.X, 2.2.X, 2.3.X, 2.4.X, and 2.5.X versions of the Symfony HttpFoundation component are affected by this security issue.\n\nThis issue has been fixed in Symfony 2.3.19, 2.4.9, and 2.5.4. Note that no fixes are provided for Symfony 2.0, 2.1, and 2.2 as they are not maintained anymore.\n\nDescription\nWhen an arbitrarily long hostname is sent by a client, its parsing in `Request::getHost()` can lead to a DoS attack, due to the way we validate the hostname via a regular expression.\n\nResolution\nThe regular expression used to parse and validate the hostname from the HTTP request has been modified to avoid too much sensitivity to the submitted value length.\n\nThe patch for this issue is available here: https://github.com/symfony/symfony/pull/11828","public_affected_ranges":["ECOSYSTEM: introduced 2.4.0; fixed 2.4.9"]},{"certainty":"source_listed","source_ids":["sr-93be08837561115cb347e4263dd56c99"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"All 2.0.X, 2.1.X, 2.2.X, 2.3.X, 2.4.X, and 2.5.X versions of the Symfony HttpFoundation component are affected by this security issue.\n\nThis issue has been fixed in Symfony 2.3.19, 2.4.9, and 2.5.4. Note that no fixes are provided for Symfony 2.0, 2.1, and 2.2 as they are not maintained anymore.\n\nDescription\nWhen an arbitrarily long hostname is sent by a client, its parsing in `Request::getHost()` can lead to a DoS attack, due to the way we validate the hostname via a regular expression.\n\nResolution\nThe regular expression used to parse and validate the hostname from the HTTP request has been modified to avoid too much sensitivity to the submitted value length.\n\nThe patch for this issue is available here: https://github.com/symfony/symfony/pull/11828","public_affected_ranges":["ECOSYSTEM: introduced 2.5.0; fixed 2.5.4"]}],"null_published_at":"2026-10-31T22:13:01.469Z","source_updated_at":"2024-05-30T02:26:52.493Z","source_disclosed_at":"2024-05-30T00:38:38.000Z","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":"2026-10-31T21:42:41.372Z"}],"next_cursor":null,"snapshot_revision":"42594"}