Description
An exploitable Out-of-bounds Write vulnerability exists in the xls_addCell function of libxls 2.0. 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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | libxls | libxls 2.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | r-cran-readxl | No fix yet | — |
| Ubuntu 26.04 LTS | r-cran-readxl | No fix yet | — |
| Ubuntu 25.10 | r-cran-readxl | No fix yet | — |
| Ubuntu 24.04 LTS | r-cran-readxl | No fix yet | — |
| Ubuntu 22.04 LTS | r-cran-readxl | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | r-cran-readxl | No fix yet | — |
| Ubuntu 18.04 LTS | r-cran-readxl | No fix yet | — |
| Ubuntu 16.04 LTS | r-cran-readxl | No fix yet | — |