{"id":"CVE-2023-53154","aliases":["AZL-62005","AZL-67455","DEBIAN-CVE-2023-53154","DLA-4216-1","EUVD-2023-59777","GHSA-8h4w-44qv-79mq","ROOT-OS-DEBIAN-12-CVE-2023-53154","UBUNTU-CVE-2023-53154","USN-7973-1"],"status":"published","title":"parse_string in cJSON before 1.7.18 has a heap-based buffer over-read via {\"1\":1, with no...","description":"parse_string in cJSON before 1.7.18 has a heap-based buffer over-read via {\"1\":1, with no trailing newline if cJSON_ParseWithLength is called.","severity":{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00278,"percentile":0.20382,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2025-05-23T00:00:00Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"Azure 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Linux:2","package":"apparmor","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.4-5"}]}]},{"source":"osv","ecosystem":"Azure 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project","product":"cjson"},{"vendor":"cjson_project","product":"cjson"}],"references":[{"url":"https://github.com/DaveGamble/cJSON/compare/v1.7.17...v1.7.18","tags":["Release Notes","web","report"]},{"url":"https://github.com/DaveGamble/cJSON/issues/800","tags":["exploit","Exploit","Issue Tracking","Vendor Advisory","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/06/msg00014.html","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53154","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-8h4w-44qv-79mq"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53154.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-53154","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-53154","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-53154","tags":["report"]},{"url":"https://github.com/DaveGamble/cJSON/pull/852","tags":["report"]},{"url":"https://github.com/DaveGamble/cJSON/commit/3ef4e4e730e5efd381be612df41e1ff3f5bb3c32","tags":["report"]},{"url":"https://github.com/DaveGamble/cJSON/commit/826cd6f842ae7e46ee38bbc097f9a34f2947388d","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-7973-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-26819","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2025-57052","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-53154","description":"parse_string in cJSON before 1.7.18 has a heap-based buffer over-read via {\"1\":1, with no trailing newline if cJSON_ParseWithLength is called.","status":"published","published":"2025-05-23T00:00:00Z","modified":"2025-11-03T19:28:58.976Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:35:30.851125Z"}],"euvd":[{"id":"EUVD-2023-59777","description":"parse_string in cJSON before 1.7.18 has a heap-based buffer over-read via {\"1\":1, with no trailing newline if cJSON_ParseWithLength is called.","status":"published","published":"2025-05-23T00:00:00Z","modified":"2025-11-03T19:28:58Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T19:49:33.639996Z"}],"ghsa":[{"id":"GHSA-8h4w-44qv-79mq","title":"parse_string in cJSON before 1.7.18 has a heap-based buffer over-read via {\"1\":1, with no...","description":"parse_string in cJSON before 1.7.18 has a heap-based buffer over-read via {\"1\":1, with no trailing newline if cJSON_ParseWithLength is called.","status":"published","published":"2025-05-23T18:32:12Z","modified":"2025-11-03T21:33:58Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:04:23.26783Z"}],"nvd":[{"id":"CVE-2023-53154","description":"parse_string in cJSON before 1.7.18 has a heap-based buffer over-read via {\"1\":1, with no trailing newline if cJSON_ParseWithLength is called.","status":"published","published":"2025-05-23T16:15:22.08Z","modified":"2026-06-17T06:44:24.08Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:09:21.774456Z"}],"osv":[{"id":"CVE-2023-53154","description":"parse_string in cJSON before 1.7.18 has a heap-based buffer over-read via {\"1\":1, with no trailing newline if cJSON_ParseWithLength is called.","status":"published","published":"2025-05-23T00:00:00Z","modified":"2026-10-28T02:30:44.8819091Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:44:35.70651Z"},{"id":"DEBIAN-CVE-2023-53154","description":"parse_string in cJSON before 1.7.18 has a heap-based buffer over-read via {\"1\":1, with no trailing newline if cJSON_ParseWithLength is called.","status":"published","published":"2025-05-23T16:15:22.08Z","modified":"2026-10-26T18:03:08.506028225Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:40.889463Z"},{"id":"UBUNTU-CVE-2023-53154","description":"parse_string in cJSON before 1.7.18 has a heap-based buffer over-read via {\"1\":1, with no trailing newline if cJSON_ParseWithLength is called.","status":"published","published":"2025-05-23T16:15:00Z","modified":"2026-04-22T14:22:37.548928Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"low"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:54:27.083705Z"},{"id":"AZL-62005","title":"CVE-2023-53154 affecting package apparmor for versions less than 3.0.4-5","description":"parse_string in cJSON before 1.7.18 has a heap-based buffer over-read via {\"1\":1, with no trailing newline if cJSON_ParseWithLength is called.","status":"published","published":"2025-05-23T16:15:22Z","modified":"2026-04-21T04:31:54.23382Z","updated_at":"2026-11-02T15:28:07.805289Z"},{"id":"AZL-67455","title":"CVE-2023-53154 affecting package apparmor for versions less than 3.1.7-1","description":"parse_string in cJSON before 1.7.18 has a heap-based buffer over-read via {\"1\":1, with no trailing newline if cJSON_ParseWithLength is called.","status":"published","published":"2025-05-23T16:15:22Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:23.994498Z"},{"id":"DLA-4216-1","title":"cjson - security update","status":"published","published":"2025-06-15T00:00:00Z","modified":"2026-03-09T01:22:53.284941Z","updated_at":"2026-11-02T15:46:12.7027Z"},{"id":"ROOT-OS-DEBIAN-12-CVE-2023-53154","title":"CVE-2023-53154 in cjson - Patched by Root","description":"Root has patched CVE-2023-53154 in the cjson package for Root:Debian:12. Multiple fixed versions available.","status":"published","published":"2026-08-25T08:19:55Z","modified":"2026-08-26T01:10:42.85879692Z","updated_at":"2026-11-02T15:53:30.70924Z"},{"id":"USN-7973-1","title":"cjson vulnerabilities","description":"It was discovered that cJSON incorrectly handled parsing large numbers. An\nattacker could possibly use this issue to cause a denial of service.\n(CVE-2023-26819)\n\nIt was discovered that cJSON may perform out-of-bounds read when processing\nspecially crafted JSON files using parse_object. An attacker could possibly\nuse this issue to expose sensitive information or crash the program.\n(CVE-2023-53154)\n\nIt was discovered that cJSON incorrectly validated array indices in JSON\npointers, which could result in an out-of-bounds memory access. An attacker\ncould possibly use this issue to cause a denial of service, or execute\narbitrary code. (CVE-2025-57052)","status":"published","published":"2026-01-23T04:53:55Z","modified":"2026-04-27T18:34:23.159999Z","updated_at":"2026-11-02T16:58:22.951676Z"}]}}