{"cve":"CVE-2018-20546","nvd":{"published":"2018-12-28T16:29:04.893","modified":"2026-06-17T01:53:03.497","status":"Modified","description":"There is an illegal READ memory access at caca/dither.c (function get_rgba_default) in libcaca 0.99.beta19 for the default bpp case.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","score":8.1},"cwes":["CWE-190"],"references":["http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00033.html","https://bugzilla.redhat.com/show_bug.cgi?id=1652622","https://github.com/cacalabs/libcaca/commit/1022d97496c7899e8641515af363381b31ae2f05","https://github.com/cacalabs/libcaca/issues/38","https://lists.debian.org/debian-lts-announce/2019/01/msg00007.html"],"products":["canonical:ubuntu_linux","debian:debian_linux","fedoraproject:fedora","libcaca_project:libcaca","opensuse:leap"],"source":"nvd","synced_at":"2026-10-19T20:54:36.112582389+00:00"},"epss":{"cve":"CVE-2018-20546","score":0.02311,"percentile":0.83388,"date":"2026-11-01"},"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."]}