CVE-2018-20450 — Double Free in Project Libxls

CWE-415 — Double Free4 documents4 sources
Severity
6.5MEDIUMNVD
OSV7.8
EPSS
0.3%
top 50.89%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Debian R-cran-readxlLibxls Project Libxls
Timeline
PublishedDec 25
Latest updateMay 13

Description

The read_MSAT function in ole.c in libxls 1.4.0 has a double free that allows attackers to cause a denial of service (application crash) via a crafted file, a different vulnerability than CVE-2017-2897.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

▶debiandebian/r-cran-readxl< r-cran-readxl 1.2.0.9000-1 (bookworm)

🔴Vulnerability Details

2
GHSA
GHSA-r369-mhv6-47fj: The read_MSAT function in ole↗2022-05-13
▶
OSV
CVE-2018-20450: The read_MSAT function in ole↗2018-12-25
▶

📋Vendor Advisories

1
Debian
CVE-2018-20450: r-cran-readxl - The read_MSAT function in ole.c in libxls 1.4.0 has a double free that allows at...↗2018
▶
CVE-2018-20450 — Double Free in Libxls Project Libxls | cvebase