VDB
CVE-2018-20452
CVE-2018-20452
PUBLISHED
The read_MSAT_body function in ole.c in libxls 1.4.0 has an invalid free that allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted file, because of inconsistent memory management (new versus free) in ole2_read_header in ole.c.
EPSS 0.40% · 61.2th percentile
Risk Scores
EPSS Score
0.40%
61.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | r-cran-readxl | 1.0.0-1build1, 0, 1.0.0-2 |
| Ubuntu:16.04:LTS | r-cran-readxl | 0, 0.1.0-1 |
| Ubuntu:22.04:LTS | r-cran-readxl | 1.3.1-2build2, 0 |
| Ubuntu:20.04:LTS | r-cran-readxl | 0, 1.3.1-2build1, 1.3.1-2 |
| Ubuntu:25.10 | r-cran-readxl | 1.4.5-1, 0 |
| Ubuntu:24.04:LTS | r-cran-readxl | 0, 1.4.3-1 |
Exploit Intelligence
- https://github.com/evanmiller/libxls/issues/35 (nist-nvd)
- GLSA-202003-64 (circl)
Timeline
- Dec 25, 2018 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- May 2, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 5, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
- Jan 8, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-20452 third-party-advisory
- https://github.com/evanmiller/libxls/issues/35 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-20452 third-party-advisory