Description
Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the unicode_decode_wcstombs function in xlstool.c:266.
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | r-cran-readxl | No fix yet | — |
| Debian 13 | r-cran-readxl | No fix yet | — |
| Debian 12 | r-cran-readxl | No fix yet | — |
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 | — |
References
- https://github.com/libxls/libxls/issues/124
- FEDORA-2024-e74783429c vendor-advisory
- FEDORA-2024-8b67e47e43 vendor-advisory