| Name | CVE-2020-27819 |
| Description | An issue was discovered in libxls before and including 1.6.1 when reading Microsoft Excel files. A NULL pointer dereference vulnerability exists when parsing XLS cells in libxls/xls2csv.c:199. It could allow a remote attacker to cause a denial of service via crafted XLS file. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| r-cran-readxl (PTS) | stretch | 0.1.1-1+deb9u2 | fixed |
| stretch (security), stretch (lts) | 0.1.1-1+deb9u1 | fixed |
| buster | 1.3.0-1 | fixed |
| bullseye | 1.3.1-2 | fixed |
| bookworm | 1.4.2-1 | fixed |
| sid, trixie | 1.4.3-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| r-cran-readxl | source | (unstable) | (not affected) | | | |
Notes
- r-cran-readxl <not-affected> (Embeds libxls, but not affected)
https://github.com/libxls/libxls/issues/84