{"id":"CVE-2018-25306","aliases":["EUVD-2018-21827","GHSA-4ghp-74c4-9grw","UBUNTU-CVE-2018-25306"],"status":"published","title":"PDFunite 0.41.0 Buffer Overflow via Malformed PDF","description":"PDFunite 0.41.0 contains a buffer overflow vulnerability that allows local attackers to crash the application by processing malformed PDF files during merge operations. Attackers can trigger a segmentation fault in the XRef::getEntry function within libpoppler by providing a specially crafted PDF file to the pdfunite utility.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00177,"percentile":0.07305,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2026-04-29T19:24:37Z","modified":"2026-06-17T01:55:11Z","affected":[{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"poppler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.33.0-0ubuntu3","0.37.0-0ubuntu1","0.38.0-0ubuntu1","0.41.0-0ubuntu1","0.41.0-0ubuntu1.1","0.41.0-0ubuntu1.2","0.41.0-0ubuntu1.3","0.41.0-0ubuntu1.4","0.41.0-0ubuntu1.5","0.41.0-0ubuntu1.6","0.41.0-0ubuntu1.7","0.41.0-0ubuntu1.8","0.41.0-0ubuntu1.9","0.41.0-0ubuntu1.10","0.41.0-0ubuntu1.11","0.41.0-0ubuntu1.12","0.41.0-0ubuntu1.13","0.41.0-0ubuntu1.14","0.41.0-0ubuntu1.15","0.41.0-0ubuntu1.16","0.41.0-0ubuntu1.16+esm1","0.41.0-0ubuntu1.16+esm2","0.41.0-0ubuntu1.16+esm3","0.41.0-0ubuntu1.16+esm4","0.41.0-0ubuntu1.16+esm5","0.41.0-0ubuntu1.16+esm6","0.41.0-0ubuntu1.16+esm7","0.41.0-0ubuntu1.16+esm8"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"poppler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.57.0-2ubuntu4","0.57.0-2ubuntu5","0.62.0-1ubuntu1","0.62.0-2ubuntu1","0.62.0-2ubuntu2","0.62.0-2ubuntu2.1","0.62.0-2ubuntu2.2","0.62.0-2ubuntu2.4","0.62.0-2ubuntu2.5","0.62.0-2ubuntu2.6","0.62.0-2ubuntu2.7","0.62.0-2ubuntu2.8","0.62.0-2ubuntu2.9","0.62.0-2ubuntu2.10","0.62.0-2ubuntu2.11","0.62.0-2ubuntu2.12","0.62.0-2ubuntu2.13","0.62.0-2ubuntu2.14","0.62.0-2ubuntu2.14+esm1","0.62.0-2ubuntu2.14+esm2","0.62.0-2ubuntu2.14+esm3","0.62.0-2ubuntu2.14+esm4","0.62.0-2ubuntu2.14+esm5","0.62.0-2ubuntu2.14+esm6","0.62.0-2ubuntu2.14+esm7","0.62.0-2ubuntu2.14+esm8"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"poppler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.80.0-0ubuntu1","0.80.0-0ubuntu3","0.80.0-0ubuntu4","0.80.0-0ubuntu5","0.85.0-1ubuntu1","0.85.0-1ubuntu3","0.86.1-0ubuntu1","0.86.1-0ubuntu1.1","0.86.1-0ubuntu1.2","0.86.1-0ubuntu1.3","0.86.1-0ubuntu1.4","0.86.1-0ubuntu1.5","0.86.1-0ubuntu1.6","0.86.1-0ubuntu1.7","0.86.1-0ubuntu1.7+esm1","0.86.1-0ubuntu1.7+esm2","0.86.1-0ubuntu1.7+esm3"]}],"products":[{"vendor":"canonical","product":"pdfunite"},{"vendor":"poppler-utils","product":"pdfunite"}],"references":[{"url":"https://www.exploit-db.com/exploits/44490","tags":["exploit","Exploit","VDB Entry","report"]},{"url":"https://launchpad.net/ubuntu/artful/+package/poppler-utils","tags":["product","Product"]},{"url":"https://launchpad.net/ubuntu/+source/poppler/0.57.0-2ubuntu4.2","tags":["product","Product"]},{"url":"https://www.vulncheck.com/advisories/pdfunite-buffer-overflow-via-malformed-pdf","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-25306"},{"url":"https://github.com/advisories/GHSA-4ghp-74c4-9grw"},{"url":"https://ubuntu.com/security/CVE-2018-25306","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-25306","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-25306","title":"PDFunite 0.41.0 Buffer Overflow via Malformed PDF","description":"PDFunite 0.41.0 contains a buffer overflow vulnerability that allows local attackers to crash the application by processing malformed PDF files during merge operations. Attackers can trigger a segmentation fault in the XRef::getEntry function within libpoppler by providing a specially crafted PDF file to the pdfunite utility.","status":"published","published":"2026-04-29T19:24:37.96Z","modified":"2026-04-30T15:22:38.658Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:35:01.952568Z"}],"euvd":[{"id":"EUVD-2018-21827","description":"PDFunite 0.41.0 contains a buffer overflow vulnerability that allows local attackers to crash the application by processing malformed PDF files during merge operations. Attackers can trigger a segmentation fault in the XRef::getEntry function within libpoppler by providing a specially crafted PDF file to the pdfunite utility.","status":"published","published":"2026-04-29T19:24:37Z","modified":"2026-04-30T15:22:38Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:05:19.116327Z"}],"ghsa":[{"id":"GHSA-4ghp-74c4-9grw","title":"PDFunite 0.41.0 contains a buffer overflow vulnerability that allows local attackers to crash the...","description":"PDFunite 0.41.0 contains a buffer overflow vulnerability that allows local attackers to crash the application by processing malformed PDF files during merge operations. Attackers can trigger a segmentation fault in the XRef::getEntry function within libpoppler by providing a specially crafted PDF file to the pdfunite utility.","status":"published","published":"2026-04-29T21:31:30Z","modified":"2026-04-29T21:31:38Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T15:07:51.754992Z"}],"nvd":[{"id":"CVE-2018-25306","description":"PDFunite 0.41.0 contains a buffer overflow vulnerability that allows local attackers to crash the application by processing malformed PDF files during merge operations. Attackers can trigger a segmentation fault in the XRef::getEntry function within libpoppler by providing a specially crafted PDF file to the pdfunite utility.","status":"published","published":"2026-04-29T20:16:26.043Z","modified":"2026-06-17T01:55:11.913Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","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-120"],"updated_at":"2026-11-02T14:05:01.494136Z"}],"osv":[{"id":"UBUNTU-CVE-2018-25306","description":"PDFunite 0.41.0 contains a buffer overflow vulnerability that allows local attackers to crash the application by processing malformed PDF files during merge operations. Attackers can trigger a segmentation fault in the XRef::getEntry function within libpoppler by providing a specially crafted PDF file to the pdfunite utility.","status":"published","published":"2026-04-29T20:16:00Z","modified":"2026-05-14T11:10:00Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"},{"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"},{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T15:54:17.91743Z"}]}}