Analysis
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Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| sumatrapdfreader | sumatrapdf | affected |
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Tracking
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Thu, 08 Oct 2026 22:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | SumatraPDF is a multi-format reader for Windows. In 3.7.0.22298, four independently reachable range-validation variants in src/LitDoc.cpp allow file-controlled offsets and sizes to overflow, narrow to negative values, or wrap before incomplete bounds checks. The affected calculations include contentOffset, the directory expression dirOff64 + dirLen64, and the decoded-section offset + size, along with secondary-header range handling. Opening a crafted LIT file that reaches one of these variants can cause invalid pointer reads and deterministic application termination. No broader impact is claimed beyond the advisory-supported conditions. No fixed version is available as of this review. | |
| Title | SumatraPDF: LIT parser range-validation flaws cause invalid-pointer reads and denial of service | |
| Weaknesses | CWE-125 | |
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cvssV3_1
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Subscriptions
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MITRE
Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-10-08T22:20:36.456Z
Reserved: 2026-10-08T17:21:52.976Z
Link: CVE-2026-107731
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
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CWE-125
Out-of-bounds Read