CVE Watch9 oct 2026

CVE-2026-107734

SumatraPDF is a multi-format reader for Windows. In 3.5.2 and earlier, an attacker-controlled SyncTeX source filename is substituted for the

CVSS

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Sin CVSS

EPSS

0.1%

KEV

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Exploit Today

0-100

Publicado: 8 oct 2026 · Última mod.: 9 oct 2026 · CWE-20 · CWE-88

EPSS · 30d

0.1%EPSS · 30 días0.1%

2026-10-092026-10-12

Descripción técnica

SumatraPDF is a multi-format reader for Windows. In 3.5.2 and earlier, an attacker-controlled SyncTeX source filename is substituted for the %f placeholder in an external editor command line without safe Windows argument quoting, and the resulting command line is passed to CreateProcessW(). A user with an external editor configured or auto-detected who opens a PDF with a crafted .synctex.gz file and invokes inverse search can inject command-line flags; the resulting impact depends on the target editor interpreting those flags and can include unintended editor actions or code execution through a malicious extension. No broader impact is claimed beyond the advisory-supported conditions. No fixed version is available as of this review.

Referencias oficiales

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