CVE-2017-12108

Name	CVE-2017-12108
Description	An exploitable integer overflow vulnerability exists in the xls_preparseWorkSheet function of libxls 1.4 when handling a MULBLANK record. A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-4173-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
r-cran-readxl (PTS)	buster	1.3.0-1	fixed
	bullseye	1.3.1-2	fixed
	bookworm	1.4.2-1	fixed
	sid, trixie	1.4.3-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
r-cran-readxl	source	stretch	0.1.1-1+deb9u1		DSA-4173-1
r-cran-readxl	source	(unstable)	1.0.0-2

https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0460