RSEC-2023-2 Denial of Service (DoS) vulnerability

The readxl R package is exposed to a vulnerability owing to its underlying use of libxls library version 1.6.2. The vulnerability originates in the xlsgetWorkSheet function within xls.c in libxls. Attackers can exploit this flaw by utilizing a specially crafted XLS file, leading to a Denial of...

RSEC-2023-1 Double-free and invalid free vulnerabilities

The readxl R package has been found susceptible to vulnerabilities due to its dependency on libxls library version 1.4.0. Two distinct memory management issues were discovered in the readMSAT and readMSATbody functions within the ole.c component of libxls. The first vulnerability is a double-free...