{"url":"http://public2.vulnerablecode.io/api/packages/995054?format=json","purl":"pkg:deb/debian/jackson-core@2.12.1-1","type":"deb","namespace":"debian","name":"jackson-core","version":"2.12.1-1","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"2.14.1-2","latest_non_vulnerable_version":"2.14.1-2","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/30156?format=json","vulnerability_id":"VCID-395t-bxwj-7fcu","summary":"Jackson-core Vulnerable to Memory Disclosure via Source Snippet in JsonLocation\n### Overview\n\nA flaw in Jackson-core's `JsonLocation._appendSourceDesc` method allows up to 500 bytes of unintended memory content to be included in exception messages. When parsing JSON from a byte array with an offset and length, the exception message incorrectly reads from the beginning of the array instead of the logical payload start. This results in possible **information disclosure** in systems using **pooled or reused buffers**, like Netty or Vert.x.\n\n### Details\n\nThe vulnerability affects the creation of exception messages like:\n\n```\nJsonParseException: Unexpected character ... at [Source: (byte[])...]\n```\n\nWhen `JsonFactory.createParser(byte[] data, int offset, int len)` is used, and an error occurs while parsing, the exception message should include a snippet from the specified logical payload. However, the method `_appendSourceDesc` ignores the `offset`, and always starts reading from index `0`.\n\nIf the buffer contains residual sensitive data from a previous request, such as credentials or document contents, that data may be exposed if the exception is propagated to the client.\n\nThe issue particularly impacts server applications using:\n\n* Pooled byte buffers (e.g., Netty)\n* Frameworks that surface parse errors in HTTP responses\n* Default Jackson settings (i.e., `INCLUDE_SOURCE_IN_LOCATION` is enabled)\n\nA documented real-world example is [CVE-2021-22145](https://nvd.nist.gov/vuln/detail/CVE-2021-22145) in Elasticsearch, which stemmed from the same root cause.\n\n### Attack Scenario\n\nAn attacker sends malformed JSON to a service using Jackson and pooled byte buffers (e.g., Netty-based HTTP servers). If the server reuses a buffer and includes the parser’s exception in its HTTP 400 response, the attacker may receive residual data from previous requests.\n\n### Proof of Concept\n\n```java\nbyte[] buffer = new byte[1000];\nSystem.arraycopy(\"SECRET\".getBytes(), 0, buffer, 0, 6);\nSystem.arraycopy(\"{ \\\"bad\\\": }\".getBytes(), 0, buffer, 700, 10);\n\nJsonFactory factory = new JsonFactory();\nJsonParser parser = factory.createParser(buffer, 700, 20);\nparser.nextToken(); // throws exception\n\n// Exception message will include \"SECRET\"\n```\n\n### Patches\nThis issue was silently fixed in jackson-core version 2.13.0, released on September 30, 2021, via [PR #652](https://github.com/FasterXML/jackson-core/pull/652).\n\nAll users should upgrade to version 2.13.0 or later.\n\n### Workarounds\nIf upgrading is not immediately possible, applications can mitigate the issue by:\n\n1. **Disabling exception message exposure to clients** — avoid returning parsing exception messages in HTTP responses.\n2. **Disabling source inclusion in exceptions** by setting:\n\n   ```java\n   jsonFactory.disable(JsonFactory.Feature.INCLUDE_SOURCE_IN_LOCATION);\n   ```\n\n    This prevents Jackson from embedding any source content in exception messages, avoiding leakage.\n\n\n### References\n* [Pull Request #652 (Fix implementation)](https://github.com/FasterXML/jackson-core/pull/652)\n* [CVE-2021-22145 (Elasticsearch exposure of this flaw)](https://nvd.nist.gov/vuln/detail/CVE-2021-22145)","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-49128.json","reference_id":"","reference_type":"","scores":[{"value":"4.0","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-49128.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2025-49128","reference_id":"","reference_type":"","scores":[{"value":"0.00027","scoring_system":"epss","scoring_elements":"0.07504","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00027","scoring_system":"epss","scoring_elements":"0.07534","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00027","scoring_system":"epss","scoring_elements":"0.07544","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00027","scoring_system":"epss","scoring_elements":"0.07582","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00027","scoring_system":"epss","scoring_elements":"0.0745","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00027","scoring_system":"epss","scoring_elements":"0.07461","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00027","scoring_system":"epss","scoring_elements":"0.07536","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00027","scoring_system":"epss","scoring_elements":"0.07549","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00027","scoring_system":"epss","scoring_elements":"0.07563","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00027","scoring_system":"epss","scoring_elements":"0.0754","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00027","scoring_system":"epss","scoring_elements":"0.07501","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00027","scoring_system":"epss","scoring_elements":"0.07462","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00027","scoring_system":"epss","scoring_elements":"0.07482","published_at":"2026-04-07T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2025-49128"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-49128","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-49128"},{"reference_url":"https://github.com/FasterXML/jackson-core","reference_id":"","reference_type":"","scores":[{"value":"4.0","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/FasterXML/jackson-core"},{"reference_url":"https://github.com/FasterXML/jackson-core/commit/a6c297682737dde13337cb7c3020f299518609a8","reference_id":"","reference_type":"","scores":[{"value":"4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"4.0","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:13:56Z/"}],"url":"https://github.com/FasterXML/jackson-core/commit/a6c297682737dde13337cb7c3020f299518609a8"},{"reference_url":"https://github.com/FasterXML/jackson-core/pull/652","reference_id":"","reference_type":"","scores":[{"value":"4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"4.0","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:13:56Z/"}],"url":"https://github.com/FasterXML/jackson-core/pull/652"},{"reference_url":"https://github.com/FasterXML/jackson-core/security/advisories/GHSA-wf8f-6423-gfxg","reference_id":"","reference_type":"","scores":[{"value":"4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"4.0","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:13:56Z/"}],"url":"https://github.com/FasterXML/jackson-core/security/advisories/GHSA-wf8f-6423-gfxg"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22145","reference_id":"","reference_type":"","scores":[{"value":"4.0","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22145"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2025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can throw a StackoverflowError when processing deeply nested data\n### Impact\nWith older versions  of jackson-core, if you parse an input file and it has deeply nested data, Jackson could end up throwing a StackoverflowError if the depth is particularly large.\n\n### Patches\njackson-core 2.15.0 contains a configurable limit for how deep Jackson will traverse in an input document, defaulting to an allowable depth of 1000. Change is in https://github.com/FasterXML/jackson-core/pull/943. jackson-core will throw a StreamConstraintsException if the limit is reached.\njackson-databind also benefits from this change because it uses jackson-core to parse JSON inputs.\n\n### Workarounds\nUsers should avoid parsing input files from untrusted sources.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-52999.json","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-52999.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2025-52999","reference_id":"","reference_type":"","scores":[{"value":"0.00078","scoring_system":"epss","scoring_elements":"0.23381","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00078","scoring_system":"epss","scoring_elements":"0.23331","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00078","scoring_system":"epss","scoring_elements":"0.23259","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00078","scoring_system":"epss","scoring_elements":"0.23473","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00078","scoring_system":"epss","scoring_elements":"0.23437","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00085","scoring_system":"epss","scoring_elements":"0.24635","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00085","scoring_system":"epss","scoring_elements":"0.24625","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00085","scoring_system":"epss","scoring_elements":"0.24719","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00085","scoring_system":"epss","scoring_elements":"0.24679","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00085","scoring_system":"epss","scoring_elements":"0.24622","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00206","scoring_system":"epss","scoring_elements":"0.42836","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00206","scoring_system":"epss","scoring_elements":"0.42759","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00252","scoring_system":"epss","scoring_elements":"0.48571","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00252","scoring_system":"epss","scoring_elements":"0.48519","published_at":"2026-04-29T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2025-52999"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-52999","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-52999"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/FasterXML/jackson-core","reference_id":"","reference_type":"","scores":[{"value":"8.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/FasterXML/jackson-core"},{"reference_url":"https://github.com/FasterXML/jackson-core/pull/943","reference_id":"","reference_type":"","scores":[{"value":"8.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-06-25T18:04:07Z/"}],"url":"https://github.com/FasterXML/jackson-core/pull/943"},{"reference_url":"https://github.com/FasterXML/jackson-core/security/advisories/GHSA-h46c-h94j-95f3","reference_id":"","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"8.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-06-25T18:04:07Z/"}],"url":"https://github.com/FasterXML/jackson-core/security/advisories/GHSA-h46c-h94j-95f3"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2025-52999","reference_id":"","reference_type":"","scores":[{"value":"8.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-52999"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1108367","reference_id":"1108367","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1108367"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2374804","reference_id":"2374804","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2374804"},{"reference_url":"https://github.com/advisories/GHSA-h46c-h94j-95f3","reference_id":"GHSA-h46c-h94j-95f3","reference_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