{"id":"CVE-2023-38252","title":"W3m: out of bounds read in strnew_size() at w3m/str.c","summary":"An out-of-bounds read flaw was found in w3m, in the Strnew_size function in Str.c. This issue may allow an attacker to cause a denial of service through a crafted HTML file.","severity":"medium","cvss":4.7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-125"],"vendor":"Red Hat","product":"w3m","affected":["w3m"],"published":"2023-07-14","updated":"2026-11-07","sourceUpdated":"2026-11-07T11:32:43.189Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-38252","references":[{"url":"https://access.redhat.com/security/cve/CVE-2023-38252"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2222775","label":"RHBZ#2222775"},{"url":"https://github.com/tats/w3m/issues/270"}],"tags":["cve.org"],"epss":0.00358,"epssPercentile":0.29742,"ingestedAt":"2026-11-07T12:16:41.110Z","slug":"CVE-2023-38252","body":"## Overview\n\nAn out-of-bounds read flaw was found in w3m, in the Strnew_size function in Str.c. This issue may allow an attacker to cause a denial of service through a crafted HTML file.\n\n## Affected\n\n- `w3m`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":25.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}