CVE Watch16 oct 2026

CVE-2026-49206

rapidcsv is a C++ CSV parser library. Prior to 8.99, RemoveColumn, InsertColumn, RemoveRow, InsertRow, and GetColumnNames converted size_t i

CVSS

2.9

Bajo

EPSS

0.2%

KEV

—

Exploit Today

0-100

Publicado: 14 oct 2026 · Última mod.: 16 oct 2026 · CWE-190 · CWE-787

EPSS · 30d

0.2%EPSS · 30 días0.2%

2026-10-152026-10-20

Descripción técnica

rapidcsv is a C++ CSV parser library. Prior to 8.99, RemoveColumn, InsertColumn, RemoveRow, InsertRow, and GetColumnNames converted size_t indexes to int before adding them to std::vector iterators. On 64-bit systems, in a CSV matrix dimension containing more than 2^31 elements, an index above INT_MAX could wrap to a negative iterator offset and point before the start of the vector, causing undefined behavior, heap memory corruption, or a crash. Triggering the issue requires an extremely large in-memory document, requiring tens of gigabytes of memory at minimum, so typical CSV documents are not practically affected. This issue is fixed in version 8.99.

Referencias oficiales

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