{"id":"CVE-2026-21358","title":"InDesign Desktop versions 21.1, 20.5.1 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in application denial-of-service","summary":"InDesign Desktop versions 21.1, 20.5.1 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in application denial-of-service. An attacker could exploit this vulnerability to crash the application, caus…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-122","CWE-787"],"vendor":"adobe","product":"indesign","affected":["indesign < 20.5.2","indesign >= 21.0, < 21.2"],"patched":["indesign 21.2"],"published":"2026-02-10","updated":"2026-08-27","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-21358","references":[{"url":"https://helpx.adobe.com/security/products/indesign/apsb26-17.html","label":"psirt@adobe.com"}],"tags":["nvd"],"epss":0.0016,"epssPercentile":0.05573,"ingestedAt":"2026-08-27T21:08:16.632Z","slug":"CVE-2026-21358","body":"## Overview\n\nInDesign Desktop versions 21.1, 20.5.1 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing disruption to services. Exploitation of this issue requires user interaction in that a victim must open a malicious file.\n\n## Affected\n\n- `indesign < 20.5.2`\n- `indesign >= 21.0, < 21.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `indesign 21.2`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}