8.8
CVSSv3

CVE-2020-5395

Published: 03/01/2020 Updated: 08/03/2024
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8
VMScore: 605
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Vulnerability Summary

An out-of-bounds write exists in fontforge while parsing SFD files containing very large LayerCount tokens. The flaw allows an malicious user to overwrite data before a buffer allocated on the heap, thus causing the application to crash or execute arbitrary code. (CVE-2020-5395)

Vulnerability Trend

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fontforge fontforge 20190801

fedoraproject fedora 31

opensuse leap 15.1

Vendor Advisories

Debian Bug report logs - #948231 fontforge: CVE-2020-5395 CVE-2020-5496 Package: fontforge; Maintainer for fontforge is Debian Fonts Task Force <pkg-fonts-devel@listsaliothdebianorg>; Source for fontforge is src:fontforge (PTS, buildd, popcon) Reported by: Markus Koschany <apo@debianorg> Date: Sun, 5 Jan 2020 17 ...
Synopsis Moderate: fontforge security update Type/Severity Security Advisory: Moderate Topic An update for fontforge is now available for Red Hat Enterprise Linux 8Red Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scoring System (CVSS) base score ...
Synopsis Moderate: fontforge security update Type/Severity Security Advisory: Moderate Topic An update for fontforge is now available for Red Hat Enterprise Linux 8Red Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scoring System (CVSS) base score ...
An out-of-bounds write was discovered in fontforge while parsing SFD files containing very large LayerCount tokens The flaw allows an attacker to overwrite data before a buffer allocated on the heap, thus causing the application to crash or execute arbitrary code (CVE-2020-5395) ...