Libxls Project: >> Libxls >> 1.4.0 Security Vulnerabilities
An issue was discovered in libxls before and including 1.6.1 when reading Microsoft Excel files. A NULL pointer dereference vulnerability exists when parsing XLS cells in libxls/xls2csv.c:199. It could allow a remote attacker to cause a denial of service via crafted XLS file.
CVSS Score
5.5
EPSS Score
0.003
Published
2021-02-23
The read_MSAT function in ole.c in libxls 1.4.0 has a double free that allows attackers to cause a denial of service (application crash) via a crafted file, a different vulnerability than CVE-2017-2897.
CVSS Score
6.5
EPSS Score
0.003
Published
2018-12-25
The read_MSAT_body function in ole.c in libxls 1.4.0 has an invalid free that allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted file, because of inconsistent memory management (new versus free) in ole2_read_header in ole.c.
CVSS Score
8.8
EPSS Score
0.004
Published
2018-12-25
An exploitable out-of-bounds write vulnerability exists in the read_MSAT function of libxls 1.4. 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.
CVSS Score
8.8
EPSS Score
0.015
Published
2017-11-20