{"id":"CVE-2025-3512","title":"There is a Heap-based Buffer Overflow vulnerability in QTextMarkdownImporter","summary":"There is a Heap-based Buffer Overflow vulnerability in QTextMarkdownImporter. This requires an incorrectly formatted markdown file to be passed to QTextMarkdownImporter to trigger the overflow.\n\nThis issue affects Qt from 6.8.0 to 6.8.4.…","severity":"none","cwe":["CWE-122"],"published":"2025-04-11","updated":"2026-07-29","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-3512","references":[{"url":"https://codereview.qt-project.org/c/qt/qtbase/+/635546","label":"a59d8014-47c4-4630-ab43-e1b13cbe58e3"},{"url":"http://www.openwall.com/lists/oss-security/2025/04/24/4","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2025/04/24/5","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2025/04/24/6","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2025/04/25/1","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2025/04/25/2","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00225,"epssPercentile":0.1345,"ingestedAt":"2026-07-29T08:45:05.555Z","slug":"CVE-2025-3512","body":"## Overview\n\nThere is a Heap-based Buffer Overflow vulnerability in QTextMarkdownImporter. This requires an incorrectly formatted markdown file to be passed to QTextMarkdownImporter to trigger the overflow.\n\nThis issue affects Qt from 6.8.0 to 6.8.4. Versions up to 6.6.0 are known to be unaffected, and the fix is in 6.8.4 and later.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}