{"cve":"CVE-2018-6540","nvd":{"published":"2018-02-02T09:29:00.477","modified":"2026-06-17T02:01:59.437","status":"Modified","description":"In ZZIPlib 0.13.67, there is a bus error caused by loading of a misaligned address in the zzip_disk_findfirst function of zzip/mmapped.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted zip file.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":6.5},"cwes":[],"references":["https://github.com/gdraheim/zziplib/issues/15","https://lists.debian.org/debian-lts-announce/2020/06/msg00029.html","https://usn.ubuntu.com/3699-1/","https://github.com/gdraheim/zziplib/issues/15","https://lists.debian.org/debian-lts-announce/2020/06/msg00029.html"],"products":["canonical:ubuntu_linux","gdraheim:zziplib"],"source":"nvd","synced_at":"2026-10-19T20:48:34.567387330+00:00"},"epss":{"cve":"CVE-2018-6540","score":0.02262,"percentile":0.82992,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}