{"id":"CVE-2026-107736","title":"SumatraPDF is a multi-format reader for Windows","summary":"SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, MaybeFlipBitmap() asks GDI+ to read the attacker-controlled PropertyTagOrientation size through GetPropertyItem() while supplying only a fixed 64-byte buf on the stac…","severity":"none","cwe":["CWE-121"],"published":"2026-10-08","updated":"2026-10-08","sourceUpdated":"2026-10-08T23:16:59.710","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-107736","references":[{"url":"https://github.com/sumatrapdfreader/sumatrapdf/commit/6fe2e0239d8ef3466174ac92f3f56e967ce1a4a7","label":"security-advisories@github.com"},{"url":"https://github.com/sumatrapdfreader/sumatrapdf/security/advisories/GHSA-px68-7vwv-mxpr","label":"security-advisories@github.com"}],"tags":["nvd"],"ingestedAt":"2026-10-09T00:19:50.972Z","slug":"CVE-2026-107736","body":"## Overview\n\nSumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, MaybeFlipBitmap() asks GDI+ to read the attacker-controlled PropertyTagOrientation size through GetPropertyItem() while supplying only a fixed 64-byte buf on the stack. Opening a crafted TIFF with enough EXIF Orientation values can cause attacker-selected bytes to overwrite stack control data, while tested builds terminate through the stack cookie check. No broader impact is claimed beyond the advisory-supported conditions. No fixed version is available as of this review.\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":[]}