CVE-2026-26824 Affecting r-cran-readxl package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published13 Jun 2026
- disclosed3 Jun 2026
Introduced: 3 Jun 2026
CVE-2026-26824 (opens in a new tab)How to fix?
There is no fixed version for Debian:unstable r-cran-readxl.
NVD Description
Note: Versions mentioned in the description apply only to the upstream r-cran-readxl package and not the r-cran-readxl package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
libxls through version 1.6.3 contains a use of uninitialized memory vulnerability in the OLE container parser. Memory allocated for the Master Sector Allocation Table (MSAT) in read_MSAT() is not fully initialized before being consumed by ole2_validate_sector_chain(), which may result in application crashes or potential information disclosure when processing a crafted XLS file