An issue was discoverered in in function xls_getWorkSheet in xls.c in libxls 1.6.2, allows attackers to cause a denial of service, via a crafted XLS file.
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Libxls | Libxls_project | 1.6.2 (including) | 1.6.2 (including) |
| R-cran-readxl | Ubuntu | bionic | * |
| R-cran-readxl | Ubuntu | hirsute | * |
| R-cran-readxl | Ubuntu | impish | * |
| R-cran-readxl | Ubuntu | kinetic | * |
| R-cran-readxl | Ubuntu | lunar | * |
| R-cran-readxl | Ubuntu | mantic | * |
| R-cran-readxl | Ubuntu | trusty | * |
| R-cran-readxl | Ubuntu | xenial | * |