CVE-2021-3561

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

1.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 65.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Moderate. 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

2021-05-26 21:27Z5 YR AGO

Last updated

2024-08-03 17:01Z2 YR AGO

Reserved

2021-05-20

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

dd081f0459d5c623e09e458698cf689fdd1bba2a8120a395f8ffaac7cf758eb9

• sourceforge.nethttps://sourceforge.net/p/mcj/tickets/116/x_refsource_MISC
• sourceforge.nethttps://sourceforge.net/p/mcj/fig2dev/ci/6827c09d2d6491cb2ae3ac7196439ff3aa791fd9/x_refsource_MISC
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1955675x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2021-dab56300b1https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JKMOIQX6GULVSYXLYW5JQY6KJNTWV3E4/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-b71f405f40https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C44WSY5KAQXC3Y2NMSVXXZS3M5U5U2E6/vendor-advisoryx_refsource_FEDORA
• lists.debian.org[debian-lts-announce] 20211004 [SECURITY] [DLA 2778-1] fig2dev security updatehttps://lists.debian.org/debian-lts-announce/2021/10/msg00002.htmlmailing-listx_refsource_MLIST