CVE-2020-5496

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.37% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 82.3% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-01-03 00:00Z6 YR AGO

Last updated

2024-08-04 08:30Z2 YR AGO

Reserved

2020-01-03

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase
• CWE-122Heap-based Buffer OverflowVariant

Data version

5.1

Document digest

9dd09e4dcb94500f35f0b706b0a50b1864c5c0b929b8b9e91c466eb47c05cefd

• github.comhttps://github.com/fontforge/fontforge/issues/4085
• lists.opensuse.orgopenSUSE-SU-2020:0089http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00041.htmlvendor-advisory
• security.gentoo.orgGLSA-202004-14https://security.gentoo.org/glsa/202004-14vendor-advisory
• lists.debian.org[debian-lts-announce] 20240307 [SECURITY] [DLA 3754-1] fontforge security updatehttps://lists.debian.org/debian-lts-announce/2024/03/msg00007.htmlmailing-list