CVE Watch14 ago 2026

CVE-2026-53792

rsync before 3.5.0 contains an out-of-bounds read vulnerability in the sender-side block matching logic that allows a malicious receiver to

CVSS

6.5

Medio

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 13 ago 2026 · Última mod.: 14 ago 2026 · CWE-129 · CWE-787

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

rsync before 3.5.0 contains an out-of-bounds read vulnerability in the sender-side block matching logic that allows a malicious receiver to trigger memory access before the start of an allocated buffer by sending a crafted checksum block with a length of zero. Attackers can send a specially crafted checksum set containing a zero-length block to cause a negative offset calculation during delta computation, resulting in an out-of-bounds read of file data buffer memory on the sender side.

Referencias oficiales

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