VDB
CVE-2020-27819
CVE-2020-27819
PUBLISHED
CVSS 5.5 MEDIUM
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.
EPSS 0.83% · 54.7th percentile
Risk Scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score
0.83%
54.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:22.04:LTS | r-cran-readxl | 1.3.1-2build2, 0 |
| Ubuntu:16.04:LTS | r-cran-readxl | 0.1.0-1, 0 |
| Ubuntu:20.04:LTS | r-cran-readxl | 1.3.1-2, 0, 1.3.1-2build1 |
| Ubuntu:24.04:LTS | r-cran-readxl | 1.4.3-1, 0 |
| Ubuntu:18.04:LTS | r-cran-readxl | 1.0.0-1build1, 1.0.0-2, 0 |
| Ubuntu:25.10 | r-cran-readxl | 1.4.5-1, 0 |
Timeline
- Feb 23, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 1, 2022 EPSS Score
- May 3, 2022 EPSS Score
- Jul 5, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Nov 8, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-27819 third-party-advisory
- https://github.com/libxls/libxls/issues/84 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-27819 third-party-advisory