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Fencer Vulns
high 7.1

CVE-2021-3561 json

An Out of Bounds flaw was found fig2dev version 3.2.8a.

published 2021-05-26 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-26872

cvss
7.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

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.

Patch / fix

  • fig2dev Debian 14, Debian 13, Debian 12 1:3.2.8-3

debian advisories DEBIAN-CVE-2021-3561

  • fig2dev Ubuntu 18.04 LTS 1:3.2.6a-6ubuntu1.1
  • fig2dev Ubuntu 20.04 LTS 1:3.2.7a-7ubuntu0.1

ubuntu advisories UBUNTU-CVE-2021-3561

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • transfig SLES 11 SP4-LTSS, SLE Point of Sale 11 SP3 3.2.8a-1.160.13.1
  • transfig SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +10 more 3.2.8a-2.17.1
  • transfig SLE Workstation Extension 15 SP3, SLE Workstation Extension 15 SP2 3.2.8a-4.12.2

suse advisories SUSE-SU-2021:14823-1SUSE-SU-2021:3124-1SUSE-SU-2021:2454-1

  • transfig openSUSE Tumbleweed 3.2.8a-5.1
  • transfig Package Hub 15 SP3, openSUSE Leap 15.3 3.2.8a-bp153.3.3.2
  • transfig Package Hub 15 SP2 3.2.8a-bp152.3.3.2
  • transfig openSUSE Leap 15.2 3.2.8a-lp152.6.6.2
  • transfig openSUSE Leap 15.3 3.2.8a-4.12.2

opensuse advisories openSUSE-SU-2024:11472-1openSUSE-SU-2021:1318-1openSUSE-SU-2021:1311-1openSUSE-SU-2021:1143-1openSUSE-SU-2021:2454-1

  • fig2dev Arch Linux 3.2.8.b-1

arch linux advisories AVG-1976

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2021-3561 updated cvss 5.3

fig2dev: Global buffer overflow in fig2dev/read.c in function read_objects

  • Red Hat Enterprise Linux 6 xfig, transfig, xfig-plain, xfig-common Red Hat Enterprise Linux 7 transfig Red Hat Enterprise Linux 8 transfig Red Hat Enterprise Linux 9 transfig
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.18% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • sourceforge.net https://sourceforge.net/p/mcj/tickets/116/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:N/I:P/A:P

Affected products

  • n/a fig2dev

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-787 Out-of-bounds Write

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.