{"items":[{"id":"NVI-00012958","kind":"vulnerability","title":"jackson-core: UTF8DataInputJsonParser._reportInvalidToken() missing maxErrorTokenLength limit -> unbounded StringBuilder growth (DoS)","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-7hhh-6rmp-j9qf","CVE-2026-89425"],"plain_summary":"GitHub lists this reviewed advisory for com.fasterxml.jackson.core:jackson-core, com.fasterxml.jackson.core:jackson-core, tools.jackson.core:jackson-core, tools.jackson.core:jackson-core, com.fasterxml.jackson.core:jackson-core. 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-059bf7b258ddf35a3cce68be7e13a90c"],"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":"2026-10-01T15:20:28.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-1edca0b47c4771e2a35531143506452f"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.532%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.44991. Missing scores are unknown.","source_id":"sr-059bf7b258ddf35a3cce68be7e13a90c"}],"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-1edca0b47c4771e2a35531143506452f","url":"https://github.com/advisories/GHSA-7hhh-6rmp-j9qf","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-7hhh-6rmp-j9qf","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:22:52.960Z"},{"id":"sr-059bf7b258ddf35a3cce68be7e13a90c","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-89425","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.288Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1edca0b47c4771e2a35531143506452f"],"technology":"com.fasterxml.jackson.core:jackson-core","known_exclusions":[],"conditions_summary":"## Status\n\n**FULLY REPRODUCED.** A malformed token fed through `createParser(DataInput)` produced a\n20,000,109-character exception message from a 20-million-character attacker payload, while the\nidentical payload fed through `createParser(InputStream)` produced a correctly bounded\n367-character message.\n\n## Affected Component / Version\n\n- **Package:** `com.fasterxml.jackson.core:jackson-core`\n- **Confirmed against:** `jackson-core-2.20.2`\n- **Affected file:** `src/main/java/com/fasterxml/jackson/core/json/UTF8DataInputJsonParser.java`\n  (`_reportInvalidToken(int, String, String)`, lines ~2763-2780 in the 2.20.2 tree)\n\n## Technical Analysis\n\n`UTF8DataInputJsonParser._reportInvalidToken()` builds the offending-token description for its\nexception message by appending identifier characters one at a time to a bare `StringBuilder`:\n\n```java\nprotected void _reportInvalidToken(int ch, String matchedPart, String msg) throws IOException {\n    StringBuilder sb = new StringBuilder(matchedPart);\n    while (true) {\n        char c = (char) _decodeCharForError(ch);\n        if (!Character.isJavaIdentifierPart(c)) {\n            break;\n        }\n        sb.append(c);\n        ch = _inputData.readUnsig","public_affected_ranges":[">= 2.19.0, <= 2.21.6"]},{"certainty":"source_listed","source_ids":["sr-1edca0b47c4771e2a35531143506452f"],"technology":"com.fasterxml.jackson.core:jackson-core","known_exclusions":[],"conditions_summary":"## Status\n\n**FULLY REPRODUCED.** A malformed token fed through `createParser(DataInput)` produced a\n20,000,109-character exception message from a 20-million-character attacker payload, while the\nidentical payload fed through `createParser(InputStream)` produced a correctly bounded\n367-character message.\n\n## Affected Component / Version\n\n- **Package:** `com.fasterxml.jackson.core:jackson-core`\n- **Confirmed against:** `jackson-core-2.20.2`\n- **Affected file:** `src/main/java/com/fasterxml/jackson/core/json/UTF8DataInputJsonParser.java`\n  (`_reportInvalidToken(int, String, String)`, lines ~2763-2780 in the 2.20.2 tree)\n\n## Technical Analysis\n\n`UTF8DataInputJsonParser._reportInvalidToken()` builds the offending-token description for its\nexception message by appending identifier characters one at a time to a bare `StringBuilder`:\n\n```java\nprotected void _reportInvalidToken(int ch, String matchedPart, String msg) throws IOException {\n    StringBuilder sb = new StringBuilder(matchedPart);\n    while (true) {\n        char c = (char) _decodeCharForError(ch);\n        if (!Character.isJavaIdentifierPart(c)) {\n            break;\n        }\n        sb.append(c);\n        ch = _inputData.readUnsig","public_affected_ranges":[">= 2.22.0, <= 2.22.2"]},{"certainty":"source_listed","source_ids":["sr-1edca0b47c4771e2a35531143506452f"],"technology":"tools.jackson.core:jackson-core","known_exclusions":[],"conditions_summary":"## Status\n\n**FULLY REPRODUCED.** A malformed token fed through `createParser(DataInput)` produced a\n20,000,109-character exception message from a 20-million-character attacker payload, while the\nidentical payload fed through `createParser(InputStream)` produced a correctly bounded\n367-character message.\n\n## Affected Component / Version\n\n- **Package:** `com.fasterxml.jackson.core:jackson-core`\n- **Confirmed against:** `jackson-core-2.20.2`\n- **Affected file:** `src/main/java/com/fasterxml/jackson/core/json/UTF8DataInputJsonParser.java`\n  (`_reportInvalidToken(int, String, String)`, lines ~2763-2780 in the 2.20.2 tree)\n\n## Technical Analysis\n\n`UTF8DataInputJsonParser._reportInvalidToken()` builds the offending-token description for its\nexception message by appending identifier characters one at a time to a bare `StringBuilder`:\n\n```java\nprotected void _reportInvalidToken(int ch, String matchedPart, String msg) throws IOException {\n    StringBuilder sb = new StringBuilder(matchedPart);\n    while (true) {\n        char c = (char) _decodeCharForError(ch);\n        if (!Character.isJavaIdentifierPart(c)) {\n            break;\n        }\n        sb.append(c);\n        ch = _inputData.readUnsig","public_affected_ranges":[">= 3.0.0, <= 3.1.6"]},{"certainty":"source_listed","source_ids":["sr-1edca0b47c4771e2a35531143506452f"],"technology":"tools.jackson.core:jackson-core","known_exclusions":[],"conditions_summary":"## Status\n\n**FULLY REPRODUCED.** A malformed token fed through `createParser(DataInput)` produced a\n20,000,109-character exception message from a 20-million-character attacker payload, while the\nidentical payload fed through `createParser(InputStream)` produced a correctly bounded\n367-character message.\n\n## Affected Component / Version\n\n- **Package:** `com.fasterxml.jackson.core:jackson-core`\n- **Confirmed against:** `jackson-core-2.20.2`\n- **Affected file:** `src/main/java/com/fasterxml/jackson/core/json/UTF8DataInputJsonParser.java`\n  (`_reportInvalidToken(int, String, String)`, lines ~2763-2780 in the 2.20.2 tree)\n\n## Technical Analysis\n\n`UTF8DataInputJsonParser._reportInvalidToken()` builds the offending-token description for its\nexception message by appending identifier characters one at a time to a bare `StringBuilder`:\n\n```java\nprotected void _reportInvalidToken(int ch, String matchedPart, String msg) throws IOException {\n    StringBuilder sb = new StringBuilder(matchedPart);\n    while (true) {\n        char c = (char) _decodeCharForError(ch);\n        if (!Character.isJavaIdentifierPart(c)) {\n            break;\n        }\n        sb.append(c);\n        ch = _inputData.readUnsig","public_affected_ranges":[">= 3.2.0, <= 3.2.2"]},{"certainty":"source_listed","source_ids":["sr-1edca0b47c4771e2a35531143506452f"],"technology":"com.fasterxml.jackson.core:jackson-core","known_exclusions":[],"conditions_summary":"## Status\n\n**FULLY REPRODUCED.** A malformed token fed through `createParser(DataInput)` produced a\n20,000,109-character exception message from a 20-million-character attacker payload, while the\nidentical payload fed through `createParser(InputStream)` produced a correctly bounded\n367-character message.\n\n## Affected Component / Version\n\n- **Package:** `com.fasterxml.jackson.core:jackson-core`\n- **Confirmed against:** `jackson-core-2.20.2`\n- **Affected file:** `src/main/java/com/fasterxml/jackson/core/json/UTF8DataInputJsonParser.java`\n  (`_reportInvalidToken(int, String, String)`, lines ~2763-2780 in the 2.20.2 tree)\n\n## Technical Analysis\n\n`UTF8DataInputJsonParser._reportInvalidToken()` builds the offending-token description for its\nexception message by appending identifier characters one at a time to a bare `StringBuilder`:\n\n```java\nprotected void _reportInvalidToken(int ch, String matchedPart, String msg) throws IOException {\n    StringBuilder sb = new StringBuilder(matchedPart);\n    while (true) {\n        char c = (char) _decodeCharForError(ch);\n        if (!Character.isJavaIdentifierPart(c)) {\n            break;\n        }\n        sb.append(c);\n        ch = _inputData.readUnsig","public_affected_ranges":[">= 2.8.0, <= 2.18.10"]}],"null_published_at":"2026-11-02T20:21:07.802Z","source_updated_at":"2026-10-01T15:20:28.000Z","source_disclosed_at":"2026-10-01T15:20:27.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T07:22:52.960Z"},{"id":"NVI-00012958","kind":"vulnerability","title":"jackson-core: UTF8DataInputJsonParser._reportInvalidToken() missing maxErrorTokenLength limit -> unbounded StringBuilder growth (DoS)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-7hhh-6rmp-j9qf","CVE-2026-89425"],"plain_summary":"GitHub lists this reviewed advisory for com.fasterxml.jackson.core:jackson-core, com.fasterxml.jackson.core:jackson-core, tools.jackson.core:jackson-core, tools.jackson.core:jackson-core, com.fasterxml.jackson.core:jackson-core. 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-1edca0b47c4771e2a35531143506452f"],"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":"2026-10-01T15:20:28.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-1edca0b47c4771e2a35531143506452f"}],"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-1edca0b47c4771e2a35531143506452f","url":"https://github.com/advisories/GHSA-7hhh-6rmp-j9qf","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-7hhh-6rmp-j9qf","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:22:52.960Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1edca0b47c4771e2a35531143506452f"],"technology":"com.fasterxml.jackson.core:jackson-core","known_exclusions":[],"conditions_summary":"## Status\n\n**FULLY REPRODUCED.** A malformed token fed through `createParser(DataInput)` produced a\n20,000,109-character exception message from a 20-million-character attacker payload, while the\nidentical payload fed through `createParser(InputStream)` produced a correctly bounded\n367-character message.\n\n## Affected Component / Version\n\n- **Package:** `com.fasterxml.jackson.core:jackson-core`\n- **Confirmed against:** `jackson-core-2.20.2`\n- **Affected file:** `src/main/java/com/fasterxml/jackson/core/json/UTF8DataInputJsonParser.java`\n  (`_reportInvalidToken(int, String, String)`, lines ~2763-2780 in the 2.20.2 tree)\n\n## Technical Analysis\n\n`UTF8DataInputJsonParser._reportInvalidToken()` builds the offending-token description for its\nexception message by appending identifier characters one at a time to a bare `StringBuilder`:\n\n```java\nprotected void _reportInvalidToken(int ch, String matchedPart, String msg) throws IOException {\n    StringBuilder sb = new StringBuilder(matchedPart);\n    while (true) {\n        char c = (char) _decodeCharForError(ch);\n        if (!Character.isJavaIdentifierPart(c)) {\n            break;\n        }\n        sb.append(c);\n        ch = _inputData.readUnsig","public_affected_ranges":[">= 2.19.0, <= 2.21.6"]},{"certainty":"source_listed","source_ids":["sr-1edca0b47c4771e2a35531143506452f"],"technology":"com.fasterxml.jackson.core:jackson-core","known_exclusions":[],"conditions_summary":"## Status\n\n**FULLY REPRODUCED.** A malformed token fed through `createParser(DataInput)` produced a\n20,000,109-character exception message from a 20-million-character attacker payload, while the\nidentical payload fed through `createParser(InputStream)` produced a correctly bounded\n367-character message.\n\n## Affected Component / Version\n\n- **Package:** `com.fasterxml.jackson.core:jackson-core`\n- **Confirmed against:** `jackson-core-2.20.2`\n- **Affected file:** `src/main/java/com/fasterxml/jackson/core/json/UTF8DataInputJsonParser.java`\n  (`_reportInvalidToken(int, String, String)`, lines ~2763-2780 in the 2.20.2 tree)\n\n## Technical Analysis\n\n`UTF8DataInputJsonParser._reportInvalidToken()` builds the offending-token description for its\nexception message by appending identifier characters one at a time to a bare `StringBuilder`:\n\n```java\nprotected void _reportInvalidToken(int ch, String matchedPart, String msg) throws IOException {\n    StringBuilder sb = new StringBuilder(matchedPart);\n    while (true) {\n        char c = (char) _decodeCharForError(ch);\n        if (!Character.isJavaIdentifierPart(c)) {\n            break;\n        }\n        sb.append(c);\n        ch = _inputData.readUnsig","public_affected_ranges":[">= 2.22.0, <= 2.22.2"]},{"certainty":"source_listed","source_ids":["sr-1edca0b47c4771e2a35531143506452f"],"technology":"tools.jackson.core:jackson-core","known_exclusions":[],"conditions_summary":"## Status\n\n**FULLY REPRODUCED.** A malformed token fed through `createParser(DataInput)` produced a\n20,000,109-character exception message from a 20-million-character attacker payload, while the\nidentical payload fed through `createParser(InputStream)` produced a correctly bounded\n367-character message.\n\n## Affected Component / Version\n\n- **Package:** `com.fasterxml.jackson.core:jackson-core`\n- **Confirmed against:** `jackson-core-2.20.2`\n- **Affected file:** `src/main/java/com/fasterxml/jackson/core/json/UTF8DataInputJsonParser.java`\n  (`_reportInvalidToken(int, String, String)`, lines ~2763-2780 in the 2.20.2 tree)\n\n## Technical Analysis\n\n`UTF8DataInputJsonParser._reportInvalidToken()` builds the offending-token description for its\nexception message by appending identifier characters one at a time to a bare `StringBuilder`:\n\n```java\nprotected void _reportInvalidToken(int ch, String matchedPart, String msg) throws IOException {\n    StringBuilder sb = new StringBuilder(matchedPart);\n    while (true) {\n        char c = (char) _decodeCharForError(ch);\n        if (!Character.isJavaIdentifierPart(c)) {\n            break;\n        }\n        sb.append(c);\n        ch = _inputData.readUnsig","public_affected_ranges":[">= 3.0.0, <= 3.1.6"]},{"certainty":"source_listed","source_ids":["sr-1edca0b47c4771e2a35531143506452f"],"technology":"tools.jackson.core:jackson-core","known_exclusions":[],"conditions_summary":"## Status\n\n**FULLY REPRODUCED.** A malformed token fed through `createParser(DataInput)` produced a\n20,000,109-character exception message from a 20-million-character attacker payload, while the\nidentical payload fed through `createParser(InputStream)` produced a correctly bounded\n367-character message.\n\n## Affected Component / Version\n\n- **Package:** `com.fasterxml.jackson.core:jackson-core`\n- **Confirmed against:** `jackson-core-2.20.2`\n- **Affected file:** `src/main/java/com/fasterxml/jackson/core/json/UTF8DataInputJsonParser.java`\n  (`_reportInvalidToken(int, String, String)`, lines ~2763-2780 in the 2.20.2 tree)\n\n## Technical Analysis\n\n`UTF8DataInputJsonParser._reportInvalidToken()` builds the offending-token description for its\nexception message by appending identifier characters one at a time to a bare `StringBuilder`:\n\n```java\nprotected void _reportInvalidToken(int ch, String matchedPart, String msg) throws IOException {\n    StringBuilder sb = new StringBuilder(matchedPart);\n    while (true) {\n        char c = (char) _decodeCharForError(ch);\n        if (!Character.isJavaIdentifierPart(c)) {\n            break;\n        }\n        sb.append(c);\n        ch = _inputData.readUnsig","public_affected_ranges":[">= 3.2.0, <= 3.2.2"]},{"certainty":"source_listed","source_ids":["sr-1edca0b47c4771e2a35531143506452f"],"technology":"com.fasterxml.jackson.core:jackson-core","known_exclusions":[],"conditions_summary":"## Status\n\n**FULLY REPRODUCED.** A malformed token fed through `createParser(DataInput)` produced a\n20,000,109-character exception message from a 20-million-character attacker payload, while the\nidentical payload fed through `createParser(InputStream)` produced a correctly bounded\n367-character message.\n\n## Affected Component / Version\n\n- **Package:** `com.fasterxml.jackson.core:jackson-core`\n- **Confirmed against:** `jackson-core-2.20.2`\n- **Affected file:** `src/main/java/com/fasterxml/jackson/core/json/UTF8DataInputJsonParser.java`\n  (`_reportInvalidToken(int, String, String)`, lines ~2763-2780 in the 2.20.2 tree)\n\n## Technical Analysis\n\n`UTF8DataInputJsonParser._reportInvalidToken()` builds the offending-token description for its\nexception message by appending identifier characters one at a time to a bare `StringBuilder`:\n\n```java\nprotected void _reportInvalidToken(int ch, String matchedPart, String msg) throws IOException {\n    StringBuilder sb = new StringBuilder(matchedPart);\n    while (true) {\n        char c = (char) _decodeCharForError(ch);\n        if (!Character.isJavaIdentifierPart(c)) {\n            break;\n        }\n        sb.append(c);\n        ch = _inputData.readUnsig","public_affected_ranges":[">= 2.8.0, <= 2.18.10"]}],"null_published_at":"2026-11-01T07:29:12.904Z","source_updated_at":"2026-10-01T15:20:28.000Z","source_disclosed_at":"2026-10-01T15:20:27.000Z","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":"2026-11-01T07:22:52.960Z"}],"next_cursor":null,"snapshot_revision":"42594"}