Vulnerability DatabaseCVE-2018-20450
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CVE-2018-20450
Published:December 25, 2018
Updated:May 17, 2026
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.
Affected Packages
readxl (R):
Affected version(s) >=1.0.0 <1.3.0
Fix Suggestion:
Update to version 1.3.0
Related Resources (3)
https://security-tracker.debian.org/tracker/CVE-2018-20450
https://security.gentoo.org/glsa/202003-64
https://github.com/evanmiller/libxls/issues/34
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Double Free
CWE-415
EPSS
Base Score:
0.26