{"id":"CVE-2017-17858","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-17858","generatedAt":"2026-10-28T21:28:52.184Z","title":"Heap-based buffer overflow in the ensure_solid_xref function in pdf/pdf-xref.c in Artifex MuPDF 1.12.0 allows a remote attacker to potentially execute arbitrary code via a crafted PDF file, because xref subsection object numbers are unrestricted.","description":"Heap-based buffer overflow in the ensure_solid_xref function in pdf/pdf-xref.c in Artifex MuPDF 1.12.0 allows a remote attacker to potentially execute arbitrary code via a crafted PDF file, because xref subsection object numbers are unrestricted.","published":"2018-01-22T15:29:00.000Z","lastModified":"2026-06-17T01:11:47.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.8,"severity":"HIGH","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["artifex/mupdf"],"epss":{"score":0.02733,"percentile":0.86021,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.04261,"percentile":0.90649},{"date":"2026-09-22","score":0.02733,"percentile":0.85456}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://git.ghostscript.com/?p=mupdf.git%3Ba=commit%3Bh=55c3f68d638ac1263a386e0aaa004bb6e8bde731","source":"cve@mitre.org"},{"url":"https://bugs.ghostscript.com/show_bug.cgi?id=698819","tags":["Permissions Required"],"source":"cve@mitre.org"},{"url":"https://github.com/mzet-/Security-Advisories/blob/master/mzet-adv-2017-01.md","tags":["Exploit","Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201811-15","source":"cve@mitre.org"},{"url":"http://git.ghostscript.com/?p=mupdf.git%3Ba=commit%3Bh=55c3f68d638ac1263a386e0aaa004bb6e8bde731","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.ghostscript.com/show_bug.cgi?id=698819","tags":["Permissions Required"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/mzet-/Security-Advisories/blob/master/mzet-adv-2017-01.md","tags":["Exploit","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201811-15","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-17858","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}