What is CVE-2018-20450?

CVE-2018-20450 is a medium-severity vulnerability in Libxls_project Libxls, classified under Double Free. CVSS score: 6.5/10. Published 2018-12-25.

How severe is CVE-2018-20450?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Double Free in Libxls_project Libxls

CVE-2018-20450

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.

Vulnerability class: Double Free

EPSS: 0.011 (61.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Libxls_project Libxls — versions 1.4.0
N/a — versions n/a

Weakness classification (CWE)

CWE-415 — Double Free

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
cve@mitre.org (vendor-advisory, x_refsource_GENTOO)

Frequently asked questions

What is CVE-2018-20450?: CVE-2018-20450 is a medium-severity vulnerability in Libxls_project Libxls, classified under Double Free. CVSS score: 6.5/10. Published 2018-12-25.
How severe is CVE-2018-20450?: Medium severity. CVSS v3 base score is 6.5 out of 10.