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Fencer Vulns
high 7.8

CVE-2021-42704 json

Inkscape Out-of-bounds Write

published 2022-05-18 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-29664

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

Inkscape version 0.91 is vulnerable to an out-of-bounds write, which may allow an attacker to arbitrary execute code.

Patch / fix

  • inkscape Debian 14, Debian 13, Debian 12 1.0-1

debian advisories DEBIAN-CVE-2021-42704

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-2021-42704 updated cvss 7.7

inkscape: out-of-bounds write vulnerbility in inkscape

  • Red Hat Enterprise Linux 6 inkscape, inkscape-view Red Hat Enterprise Linux 7 inkscape, inkscape-view
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 inkscape, inkscape-view Red Hat Enterprise Linux 9 inkscape, inkscape-view
    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

cisa ICSA-22-132-03 updated cvss 7.8

Inkscape in Industrial Products

  • Inkscape 0.91
    affected: vendor fix, mitigation “Ecava IntegraXor” inkscape.org

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
18 mo ago

Exploit prediction

1.55% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • integraxor.com https://www.integraxor.com/scada-animation-graphic-editor-extension-inkscape/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Inkscape Inkscape

Classification

Weakness

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.