What is CVE-2018-7438?

CVE-2018-7438 is a high-severity vulnerability in Freexl Project, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2018-02-23.

How severe is CVE-2018-7438?

High severity. CVSS v3 base score is 8.8 out of 10.

Out-of-bounds Read in Freexl Project

CVE-2018-7438

An issue was discovered in FreeXL before 1.0.5. There is a heap-based buffer over-read in the parse_unicode_string function.

Vulnerability class: Buffer Overflow

Published 2018-02-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (80.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Freexl Project
Debian Linux — versions 7.0, 8.0, 9.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

lists.debian.org/debian-lts-announce/2018/03/msg00000.html (mailing-list, Mailing List, Third Party Advisory)
groups.google.com/forum/
bugzilla.redhat.com/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
www.debian.org/security/2018/dsa-4129 (vendor-advisory, Third Party Advisory)
security.gentoo.org/glsa/202007-44 (vendor-advisory)

Frequently asked questions

What is CVE-2018-7438?: CVE-2018-7438 is a high-severity vulnerability in Freexl Project, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2018-02-23.
How severe is CVE-2018-7438?: High severity. CVSS v3 base score is 8.8 out of 10.