PT-2026-108304 · Unknown · Sumatrapdf

CVE-2026-107736

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Published

2026-10-08

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Updated

2026-10-08

CVSS v4.0

6.8

Medium

VectorAV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Name of the Vulnerable Software and Affected Versions SumatraPDF versions prior to 3.6.2
Description The MaybeFlipBitmap() function uses GetPropertyItem() to read the PropertyTagOrientation size via GDI+ into a fixed 64-byte buffer on the stack. An attacker can trigger a stack-based buffer overflow by providing a crafted TIFF file containing excessive EXIF Orientation values, allowing the overwrite of stack control data. In tested builds, this typically results in application termination due to the stack cookie check.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Stack Overflow

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Weakness Enumeration

Related Identifiers

CVE-2026-107736
GHSA-PX68-7VWV-MXPR

Affected Products

Sumatrapdf