{"id":"CVE-2026-112036","revision":null,"records":[{"revision":"2947a301d4d94162b15d70bd5aa8b23b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-112036","aliases":[],"title":"Artifex MuPDF Signature Locking pdf-xref.c free_char_list double free","description":"A vulnerability was detected in Artifex MuPDF up to 1.28.5. This impacts the function free_char_list of the file source/pdf/pdf-xref.c of the component Signature Locking. Performing a manipulation results in double free. The attack may be initiated remotely. The exploit is now public and may be used. The patch is named 3984925b660afb8a781ddf504021e91be1bc671e. To fix this issue, it is recommended to deploy a patch.","state":0,"publishedAt":"2026-10-19T00:45:12.234+00:00","modifiedAt":"2026-10-19T16:37:09.673+00:00","affected":[{"ecosystem":"Vendor product","name":"MuPDF","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Artifex\",\n                    \"product\": \"MuPDF\",\n                    \"versions\": [\n                        {\n                            \"version\": \"1.28.0\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"1.28.1\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"1.28.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"1.28.3\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"1.28.4\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"1.28.5\",\n                            \"status\": \"affected\"\n                        }\n                    ],\n                    \"cpes\": [\n                        \"cpe:2.3:a:artifex:mupdf:*:*:*:*:*:*:*:*\"\n                    ],\n                    \"modules\": [\n                        \"Signature Locking\"\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","score":4.3,"severity":"MEDIUM"},{"system":"CVSS 3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","score":4.3,"severity":"MEDIUM"},{"system":"CVSS 2.0","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C","score":5,"severity":null}],"references":["https://vuldb.com/vuln/421684","https://vuldb.com/vuln/421684/cti","https://vuldb.com/cve/CVE-2026-112036","https://vuldb.com/submit/1008495","https://bugs.ghostscript.com/show_bug.cgi?id=709768","https://bugs.ghostscript.com/attachment.cgi?id=28609","http://www.ghostscript.com/cgi-bin/findgit.cgi?3984925b660afb8a781ddf504021e91be1bc671e","https://artifex.com/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112036","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-112036","identifiers":["CVE-2026-112036"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-08T23:02:15.9754883+00:00","complete":true,"records":1769,"lastAttemptAt":"2026-11-08T23:02:15.9754883+00:00","lastSuccessAt":"2026-11-08T23:02:16.1185375+00:00","error":null,"lastVerifiedAt":"2026-11-08T23:02:16.1185396+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-eaa64dac63caa79c8d4905619258c41c51b39e461b996124e1a21b5e85e7e738-0ee53194438b774350db8ba2be9961094a7945659f4bca5c09ae0ef23c2c3f0c","complete":true,"records":421267,"lastAttemptAt":"2026-11-08T23:02:15.4905694+00:00","lastSuccessAt":"2026-11-08T23:02:15.4057062+00:00","error":null,"lastVerifiedAt":"2026-11-08T23:02:15.4905694+00:00","snapshotPublishedAt":"2026-11-08T22:18:37+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-07f6d850952f4d3b8f5cf28005afcf9e","complete":false,"records":13654,"lastAttemptAt":"2026-11-08T23:06:02.8556248+00:00","lastSuccessAt":"2026-11-08T23:06:02.9135565+00:00","error":null,"lastVerifiedAt":"2026-11-08T23:06:02.9135565+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-08T23:02:15.9754883+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-08T23:02:15.9754883+00:00","lastSuccessAt":"2026-11-08T23:02:16.1192591+00:00","error":null,"lastVerifiedAt":"2026-11-08T23:02:16.1192597+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-bbd1082fa13b4aff99c01e332b64e44f","complete":true,"records":13666,"lastAttemptAt":"2026-11-08T23:02:17.0620293+00:00","lastSuccessAt":"2026-11-08T23:02:17.059+00:00","error":null,"lastVerifiedAt":"2026-11-08T23:02:17.059+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13706,"expectedIdentifiers":13706,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-980593e6977a6d1b4fb1eed5a1ffe88a468736f89f0a06f710924ad59132c023","complete":true,"records":9914,"lastAttemptAt":"2026-11-08T23:02:15.8370588+00:00","lastSuccessAt":"2026-11-08T11:07:07.068788+00:00","error":null,"lastVerifiedAt":"2026-11-08T23:02:15.8370588+00:00","snapshotPublishedAt":"2026-11-08T11:02:46+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-fde804134ecdda0ddd5ff5c26ee1fff5a6fa659311f7ef2e51c6ad54964db0e2","complete":true,"records":1971,"lastAttemptAt":"2026-11-08T23:02:15.64043+00:00","lastSuccessAt":"2026-11-06T19:03:17.0399903+00:00","error":null,"lastVerifiedAt":"2026-11-08T23:02:15.64043+00:00","snapshotPublishedAt":"2026-11-06T18:17:57+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-964c14035e6f0f6478b2870fad6a7ef9f6045876d4a12af2c2e514521e54b6af","complete":true,"records":3055,"lastAttemptAt":"2026-11-08T23:02:15.942926+00:00","lastSuccessAt":"2026-11-08T11:07:12.1927025+00:00","error":null,"lastVerifiedAt":"2026-11-08T23:02:15.942926+00:00","snapshotPublishedAt":"2026-11-08T11:02:46+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-f8647d7ba64b1ba0dfdc7130944766d5b36d5b77d18fff0c79e651a4cff3c2b9","complete":true,"records":231293,"lastAttemptAt":"2026-11-08T23:02:15.7372001+00:00","lastSuccessAt":"2026-11-08T11:06:56.2918717+00:00","error":null,"lastVerifiedAt":"2026-11-08T23:02:15.7372001+00:00","snapshotPublishedAt":"2026-11-08T11:02:50+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}