{"id":"CVE-2026-105842","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-105842","generatedAt":"2026-10-28T07:41:51.306Z","title":"lrzsz before 0.13.0 contains a heap-based buffer overflow vulnerability in procheader() of the lrz receive utility when copying overlong sender-supplied filenames into Pathname.","description":"lrzsz before 0.13.0 contains a heap-based buffer overflow vulnerability in procheader() of the lrz receive utility when copying overlong sender-supplied filenames into Pathname. Malicious ZMODEM senders can supply filenames up to 8192 bytes, overflowing the buffer via sprintf() in pipe mode or strcpy() to corrupt heap memory and crash lrz.","published":"2026-10-06T14:17:42.000Z","lastModified":"2026-10-06T20:17:17.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":6.1,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/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/M"},"cwe":["CWE-122"],"affected":[],"epss":{"score":0.00206,"percentile":0.10599,"date":"2026-10-27","history":[{"date":"2026-10-07","score":0.00206,"percentile":0.09753}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-06T14:17:42.000Z","detail":{"score":"6.1","severity":"MEDIUM","publishedAt":"2026-10-06T14:17:41.620Z"},"summary":"New CVE, medium severity (CVSS 6.1)."}],"references":[{"url":"https://ohse.de/uwe/software/lrzsz.html","source":"disclosure@vulncheck.com"},{"url":"https://ohse.de/uwe/software/lrzsz/NEWS-0.13.0.html","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/lrzsz-before-0.13.0-heap-buffer-overflow-via-lrz-procheader-pathname","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-105842","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."}