{"id":"CVE-2026-86318","state":"PUBLISHED","title":"java-json-tools json-patch JsonMergePatchDeserializer.java JsonMergePatch.fromJson stack-based overflow","description":"A flaw has been found in java-json-tools json-patch up to 1.13. Affected is the function JsonMergePatch.fromJson of the file JsonMergePatchDeserializer.java. Executing a manipulation can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.","publishedAt":"2026-09-07T14:30:14.737Z","updatedAt":"2026-09-08T13:03:26.676Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["java-json-tools json-patch"],"affected":[{"vendor":"java-json-tools","product":"json-patch","versions":[{"version":"1.0","status":"affected"},{"version":"1.1","status":"affected"},{"version":"1.2","status":"affected"},{"version":"1.3","status":"affected"},{"version":"1.4","status":"affected"},{"version":"1.5","status":"affected"},{"version":"1.6","status":"affected"},{"version":"1.7","status":"affected"},{"version":"1.8","status":"affected"},{"version":"1.9","status":"affected"},{"version":"1.10","status":"affected"},{"version":"1.11","status":"affected"},{"version":"1.12","status":"affected"},{"version":"1.13","status":"affected"}],"cpes":["cpe:2.3:a:java-json-tools:json-patch:*:*:*:*:*:*:*:*"]}],"references":["https://vuldb.com/vuln/399509","https://vuldb.com/vuln/399509/cti","https://vuldb.com/cve/CVE-2026-86318","https://vuldb.com/submit/908319","https://github.com/java-json-tools/json-patch/issues/168","https://github.com/java-json-tools/json-patch/"],"weaknesses":["CWE-121","CWE-119"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/86xxx/CVE-2026-86318.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-86318","state":"PUBLISHED","datePublished":"2026-09-07T14:30:14.737Z","dateUpdated":"2026-09-08T13:03:26.676Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-09-07T05:32:59.436Z"},"containers":{"cna":{"title":"java-json-tools json-patch JsonMergePatchDeserializer.java JsonMergePatch.fromJson stack-based overflow","descriptions":[{"lang":"en","value":"A flaw has been found in java-json-tools json-patch up to 1.13. Affected is the function JsonMergePatch.fromJson of the file JsonMergePatchDeserializer.java. Executing a manipulation can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet."}],"affected":[{"vendor":"java-json-tools","product":"json-patch","versions":[{"version":"1.0","status":"affected"},{"version":"1.1","status":"affected"},{"version":"1.2","status":"affected"},{"version":"1.3","status":"affected"},{"version":"1.4","status":"affected"},{"version":"1.5","status":"affected"},{"version":"1.6","status":"affected"},{"version":"1.7","status":"affected"},{"version":"1.8","status":"affected"},{"version":"1.9","status":"affected"},{"version":"1.10","status":"affected"},{"version":"1.11","status":"affected"},{"version":"1.12","status":"affected"},{"version":"1.13","status":"affected"}],"cpes":["cpe:2.3:a:java-json-tools:json-patch:*:*:*:*:*:*:*:*"]}],"references":[{"url":"https://vuldb.com/vuln/399509","name":"VDB-399509 | java-json-tools json-patch JsonMergePatchDeserializer.java JsonMergePatch.fromJson stack-based overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/399509/cti","name":"VDB-399509 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-86318","name":"CVE-2026-86318 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/908319","name":"Submit #908319 | java-json-tools json-patch 1.13 Stack Overflow DoS via Uncontrolled Recursion","tags":["third-party-advisory"]},{"url":"https://github.com/java-json-tools/json-patch/issues/168","tags":["exploit","issue-tracking","patch"]},{"url":"https://github.com/java-json-tools/json-patch/","tags":["patch","product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":6.9,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":5.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":5.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:C"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","type":"CWE","lang":"en","description":"Stack-based Buffer Overflow"}]},{"descriptions":[{"cweId":"CWE-119","type":"CWE","lang":"en","description":"Memory Corruption"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-09-07T14:30:14.737Z"},"timeline":[{"time":"2026-09-07T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-09-07T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-09-07T07:38:08.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"York Shen - Yong Shen - PayPal Cyber Security Team (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"x_generator":["VulDB PVTS v202609"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-08T13:02:50.545829Z","id":"CVE-2026-86318","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-08T13:03:26.676Z"}}]}}}