Description
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.
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 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP3 | libxls | 1.6.2-bp153.2.6.1 | openSUSE-SU-2022:0142-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.3 | libxls | 1.6.2-bp153.2.6.1 | openSUSE-SU-2022:0142-1 |
Advisories 1
- openSUSE-SU-2022:0142-1 Security update for libxls SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/libxls/libxls/issues/94
- FEDORA-2021-785cdbddf9 vendor-advisory
- FEDORA-2021-033a5fe9e5 vendor-advisory
- FEDORA-2021-25e89d9374 vendor-advisory