What is CVE-2021-42704?

CVE-2021-42704 is a high-severity vulnerability in Inkscape, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-05-18.

How severe is CVE-2021-42704?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Inkscape

CVE-2021-42704

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

Vulnerability class: Buffer Overflow

Published 2022-05-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.016 (75.2th percentile), scored 2026-11-01.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.016 · change: +0.001

Affected products

Inkscape — versions 0.91

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

www.cisa.gov/uscert/ics/advisories/icsa-22-132-03 (US Government Resource, Third Party Advisory)
www.integraxor.com/scada-animation-graphic-editor-extension-inkscape/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-42704?: CVE-2021-42704 is a high-severity vulnerability in Inkscape, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-05-18.
How severe is CVE-2021-42704?: High severity. CVSS v3 base score is 7.8 out of 10.