Debian/r-cran-readxl: high 7.8
A heap-buffer-overflow and use-after-free vulnerability exists in the xls_getCSS() function of libxls 1.6.3 due to insufficient validation of a file-controlled font index.
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: DEBIAN-CVE-2026-79591#Debian:13/r-cran-readxl
- https://security-tracker.debian.org/tracker/CVE-2026-79591
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