{"id":"CVE-2018-19876","title":"cairo 1.16.0, in cairo_ft_apply_variations() in cairo-ft-font.c, would free memory using a free function incompatible with WebKit's fastMalloc, leading to an application crash with a \"free(): invalid pointer\" error.","summary":"cairo 1.16.0, in cairo_ft_apply_variations() in cairo-ft-font.c, would free memory using a free function incompatible with WebKit's fastMalloc, leading to an application crash with a \"free(): invalid pointer\" error.","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-416"],"vendor":"cairographics","product":"cairo","affected":["cairo = 1.16.0"],"published":"2018-12-05","updated":"2026-10-15","sourceUpdated":"2026-10-15T18:17:18.247","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2018-19876","references":[{"url":"https://bugs.webkit.org/show_bug.cgi?id=191595","label":"cve@mitre.org"},{"url":"https://gitlab.freedesktop.org/cairo/cairo/merge_requests/5","label":"cve@mitre.org"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=191595","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gitlab.freedesktop.org/cairo/cairo/merge_requests/5","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-15T17:41:02.266868Z"},"epss":0.01707,"epssPercentile":0.77173,"ingestedAt":"2026-10-15T18:23:58.400Z","slug":"CVE-2018-19876","body":"## Overview\n\ncairo 1.16.0, in cairo_ft_apply_variations() in cairo-ft-font.c, would free memory using a free function incompatible with WebKit's fastMalloc, leading to an application crash with a \"free(): invalid pointer\" error.\n\n## Affected\n\n- `cairo = 1.16.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}