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CVE Watch15 oct 2026

CVE-2026-101307

When the PCM sample array needs to grow, the RACK stack doubles a 16-bit allocation counter. Repeated doublings caused the counter to wrap

CVSS

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Sin CVSS

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 15 oct 2026 · Última mod.: 15 oct 2026 · CWE-122 · CWE-787

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

When the PCM sample array needs to grow, the RACK stack doubles a 16-bit allocation counter. Repeated doublings caused the counter to wrap to zero, resulting in a near-zero-length allocation followed by a copy of the existing samples into the undersized buffer. A remote peer can trigger the expansion by sending a sufficient number of ACKs on an established connection. A remote attacker who can establish a TCP connection to a system using the RACK stack can trigger an out-of-bounds write of approximately 512 KB in the kernel heap possibly resulting in a kernel panic.

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