CVE-2021-3561

Name: CVE-2021-3561
Creator: NVD / NIST
Published: 2021-05-26T22:15:08.317+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 1.18%

Last modified Jun 17, 2026

CVE-2021-3561 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. An Out of Bounds flaw was found fig2dev version 3.2.8a. A flawed bounds check in read_objects() could allow an attacker to provide a crafted malicious input causing the application to either crash or in some cases cause memory corruption. EPSS estimates a 1.18% chance of exploitation in the next 30 days.

Description

An Out of Bounds flaw was found fig2dev version 3.2.8a. A flawed bounds check in read_objects() could allow an attacker to provide a crafted malicious input causing the application to either crash or in some cases cause memory corruption. The highest threat from this vulnerability is to integrity as well as system availability.

Metrics

CVSS 3.1

7.1/10

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

EPSS Probability

1.18%

63.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Fig2dev Project	Fig2dev	3.2.8	A
Fedoraproject	Fedora	33	—
Fedoraproject	Fedora	34	—
Debian	Debian Linux	9.0	—

References

https://bugzilla.redhat.com/show_bug.cgi?id=1955675Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00002.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C44WSY5KAQXC3Y2NMSVXXZS3M5U5U2E6/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JKMOIQX6GULVSYXLYW5JQY6KJNTWV3E4/Mailing List, Third Party Advisory
https://sourceforge.net/p/mcj/fig2dev/ci/6827c09d2d6491cb2ae3ac7196439ff3aa791fd9/Patch, Third Party Advisory
https://sourceforge.net/p/mcj/tickets/116/Exploit, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1955675Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00002.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C44WSY5KAQXC3Y2NMSVXXZS3M5U5U2E6/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JKMOIQX6GULVSYXLYW5JQY6KJNTWV3E4/Mailing List, Third Party Advisory
https://sourceforge.net/p/mcj/fig2dev/ci/6827c09d2d6491cb2ae3ac7196439ff3aa791fd9/Patch, Third Party Advisory
https://sourceforge.net/p/mcj/tickets/116/Exploit, Third Party Advisory

Timeline

Published: May 26, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3561?

How severe is CVE-2021-3561?

CVE-2021-3561 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 1.18% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3561?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-3561?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST