{"items":[{"id":"NVI-00016059","kind":"vulnerability","title":"jackson-databind: InetSocketAddress deserialization triggers eager DNS resolution (SSRF)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-hgj6-7826-r7m5","CVE-2026-54514"],"plain_summary":"GitHub lists this reviewed advisory for com.fasterxml.jackson.core:jackson-databind, com.fasterxml.jackson.core:jackson-databind, com.fasterxml.jackson.core:jackson-databind, tools.jackson.core:jackson-databind, tools.jackson.core:jackson-databind. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1244a5cbf60dddddc22a81dfe9ff14df"],"action_type":"investigate","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":[{"kind":"CVSS","as_of":"2026-07-20T21:21:20.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-1244a5cbf60dddddc22a81dfe9ff14df"}],"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-1244a5cbf60dddddc22a81dfe9ff14df","url":"https://github.com/advisories/GHSA-hgj6-7826-r7m5","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-hgj6-7826-r7m5","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T02:47:44.783Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1244a5cbf60dddddc22a81dfe9ff14df"],"technology":"com.fasterxml.jackson.core:jackson-databind","known_exclusions":[],"conditions_summary":"## Summary\n`JDKFromStringDeserializer` constructed `InetSocketAddress` with `new InetSocketAddress(host, port)`, which performs eager DNS name resolution for hostname inputs at deserialization time. An application that binds untrusted JSON into a type containing an `InetSocketAddress` field issues an attacker-chosen DNS query during `readValue`, before any application-level validation or connect logic. The fix uses `InetSocketAddress.createUnresolved(host, port)`, deferring DNS to an explicit connect.\n\n## Impact\nAn attacker controlling JSON deserialized into an `InetSocketAddress`-bearing type can force outbound DNS lookups for attacker-chosen hostnames at deserialization time (SSRF / DNS-based out-of-band interaction / internal-resolver probing), purely from binding.\n\n## Affected / Patched (verified via `git tag --contains` on `1f5a103`)\n- 2.18 line: `>= 2.18.0,  fixed in **2.18.8**\n- 2.19-2.21 line: `>= 2.19.0,  fixed in **2.21.4**\n- 3.x line: `>= 3.0.0,  fixed in **3.1.4**\n\n## Severity / CWE\nMaintainer: minor. Reporter: LOW. CWE-918 (SSRF).\n\n## Upstream fix\nFasterXML/jackson-databind#5951 (\"Improve InetSocketAddress deserialization\"). Released ","public_affected_ranges":[">= 2.0.0, < 2.18.8"]},{"certainty":"source_listed","source_ids":["sr-1244a5cbf60dddddc22a81dfe9ff14df"],"technology":"com.fasterxml.jackson.core:jackson-databind","known_exclusions":[],"conditions_summary":"## Summary\n`JDKFromStringDeserializer` constructed `InetSocketAddress` with `new InetSocketAddress(host, port)`, which performs eager DNS name resolution for hostname inputs at deserialization time. An application that binds untrusted JSON into a type containing an `InetSocketAddress` field issues an attacker-chosen DNS query during `readValue`, before any application-level validation or connect logic. The fix uses `InetSocketAddress.createUnresolved(host, port)`, deferring DNS to an explicit connect.\n\n## Impact\nAn attacker controlling JSON deserialized into an `InetSocketAddress`-bearing type can force outbound DNS lookups for attacker-chosen hostnames at deserialization time (SSRF / DNS-based out-of-band interaction / internal-resolver probing), purely from binding.\n\n## Affected / Patched (verified via `git tag --contains` on `1f5a103`)\n- 2.18 line: `>= 2.18.0,  fixed in **2.18.8**\n- 2.19-2.21 line: `>= 2.19.0,  fixed in **2.21.4**\n- 3.x line: `>= 3.0.0,  fixed in **3.1.4**\n\n## Severity / CWE\nMaintainer: minor. Reporter: LOW. CWE-918 (SSRF).\n\n## Upstream fix\nFasterXML/jackson-databind#5951 (\"Improve InetSocketAddress deserialization\"). Released ","public_affected_ranges":[">= 2.19.0, < 2.21.4"]},{"certainty":"source_listed","source_ids":["sr-1244a5cbf60dddddc22a81dfe9ff14df"],"technology":"com.fasterxml.jackson.core:jackson-databind","known_exclusions":[],"conditions_summary":"## Summary\n`JDKFromStringDeserializer` constructed `InetSocketAddress` with `new InetSocketAddress(host, port)`, which performs eager DNS name resolution for hostname inputs at deserialization time. An application that binds untrusted JSON into a type containing an `InetSocketAddress` field issues an attacker-chosen DNS query during `readValue`, before any application-level validation or connect logic. The fix uses `InetSocketAddress.createUnresolved(host, port)`, deferring DNS to an explicit connect.\n\n## Impact\nAn attacker controlling JSON deserialized into an `InetSocketAddress`-bearing type can force outbound DNS lookups for attacker-chosen hostnames at deserialization time (SSRF / DNS-based out-of-band interaction / internal-resolver probing), purely from binding.\n\n## Affected / Patched (verified via `git tag --contains` on `1f5a103`)\n- 2.18 line: `>= 2.18.0,  fixed in **2.18.8**\n- 2.19-2.21 line: `>= 2.19.0,  fixed in **2.21.4**\n- 3.x line: `>= 3.0.0,  fixed in **3.1.4**\n\n## Severity / CWE\nMaintainer: minor. Reporter: LOW. CWE-918 (SSRF).\n\n## Upstream fix\nFasterXML/jackson-databind#5951 (\"Improve InetSocketAddress deserialization\"). Released ","public_affected_ranges":[">= 3.0.0, < 3.1.4"]},{"certainty":"source_listed","source_ids":["sr-1244a5cbf60dddddc22a81dfe9ff14df"],"technology":"tools.jackson.core:jackson-databind","known_exclusions":[],"conditions_summary":"## Summary\n`JDKFromStringDeserializer` constructed `InetSocketAddress` with `new InetSocketAddress(host, port)`, which performs eager DNS name resolution for hostname inputs at deserialization time. An application that binds untrusted JSON into a type containing an `InetSocketAddress` field issues an attacker-chosen DNS query during `readValue`, before any application-level validation or connect logic. The fix uses `InetSocketAddress.createUnresolved(host, port)`, deferring DNS to an explicit connect.\n\n## Impact\nAn attacker controlling JSON deserialized into an `InetSocketAddress`-bearing type can force outbound DNS lookups for attacker-chosen hostnames at deserialization time (SSRF / DNS-based out-of-band interaction / internal-resolver probing), purely from binding.\n\n## Affected / Patched (verified via `git tag --contains` on `1f5a103`)\n- 2.18 line: `>= 2.18.0,  fixed in **2.18.8**\n- 2.19-2.21 line: `>= 2.19.0,  fixed in **2.21.4**\n- 3.x line: `>= 3.0.0,  fixed in **3.1.4**\n\n## Severity / CWE\nMaintainer: minor. Reporter: LOW. CWE-918 (SSRF).\n\n## Upstream fix\nFasterXML/jackson-databind#5951 (\"Improve InetSocketAddress deserialization\"). Released ","public_affected_ranges":[">= 2.19.0, < 2.21.4"]},{"certainty":"source_listed","source_ids":["sr-1244a5cbf60dddddc22a81dfe9ff14df"],"technology":"tools.jackson.core:jackson-databind","known_exclusions":[],"conditions_summary":"## Summary\n`JDKFromStringDeserializer` constructed `InetSocketAddress` with `new InetSocketAddress(host, port)`, which performs eager DNS name resolution for hostname inputs at deserialization time. An application that binds untrusted JSON into a type containing an `InetSocketAddress` field issues an attacker-chosen DNS query during `readValue`, before any application-level validation or connect logic. The fix uses `InetSocketAddress.createUnresolved(host, port)`, deferring DNS to an explicit connect.\n\n## Impact\nAn attacker controlling JSON deserialized into an `InetSocketAddress`-bearing type can force outbound DNS lookups for attacker-chosen hostnames at deserialization time (SSRF / DNS-based out-of-band interaction / internal-resolver probing), purely from binding.\n\n## Affected / Patched (verified via `git tag --contains` on `1f5a103`)\n- 2.18 line: `>= 2.18.0,  fixed in **2.18.8**\n- 2.19-2.21 line: `>= 2.19.0,  fixed in **2.21.4**\n- 3.x line: `>= 3.0.0,  fixed in **3.1.4**\n\n## Severity / CWE\nMaintainer: minor. Reporter: LOW. CWE-918 (SSRF).\n\n## Upstream fix\nFasterXML/jackson-databind#5951 (\"Improve InetSocketAddress deserialization\"). Released ","public_affected_ranges":[">= 3.0.0, < 3.1.4"]}],"null_published_at":"2026-11-04T10:04:27.872Z","source_updated_at":"2026-07-20T21:21:20.000Z","source_disclosed_at":"2026-06-23T21:22:54.000Z","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":"2026-11-04T02:47:44.783Z"}],"next_cursor":null,"snapshot_revision":"42594"}