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Fencer Vulns
high 7.8

CVE-2020-35492 json

A flaw was found in cairo's image-compositor.c in all versions prior to 1.17.4

published 2021-03-18 5 y ago modified 2026-07-18 3 mo ago also EUVD-2020-23161 , JLSEC-2025-17

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

A flaw was found in cairo's image-compositor.c in all versions prior to 1.17.4. This flaw allows an attacker who can provide a crafted input file to cairo's image-compositor (for example, by convincing a user to open a file in an application using cairo, or if an application uses cairo on untrusted input) to cause a stack buffer overflow -> out-of-bounds WRITE. The highest impact from this vulnerability is to confidentiality, integrity, as well as system availability.

Patch / fix

  • julia Cairo_jll 1.18.0+0
  • cairographics cairo 1.17.4
  • cairo Debian 14, Debian 13, Debian 12 1.16.0-5

debian advisories DEBIAN-CVE-2020-35492

  • cairo Ubuntu Pro 16.04 LTS 1.14.6-1ubuntu0.1~esm1
  • cairo Ubuntu Pro 18.04 LTS 1.15.10-2ubuntu0.1+esm1
  • cairo Ubuntu Pro 20.04 LTS 1.16.0-4ubuntu1+esm1

ubuntu advisories UBUNTU-CVE-2020-35492

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

  • cairo RHEL 8 1.15.12-6.el8
  • cairo-gobject RHEL 8 1.15.12-6.el8

red hat advisories RHSA-2022:1961

  • cairo AlmaLinux 8 1.15.12-6.el8
  • pixman AlmaLinux 8 0.38.4-2.el8
  • cairo-gobject AlmaLinux 8 1.15.12-6.el8

almalinux advisories ALSA-2022:1961

  • cairo Rocky Linux 8 1.15.12-6.el8
  • pixman Rocky Linux 8 0.38.4-2.el8

rocky linux advisories RLSA-2022:1961

  • cairo Alpine 3.12, Alpine 3.11, Alpine 3.10 1.16.0-r3
  • cairo Alpine 3.24, Alpine 3.23, Alpine 3.22 +9 more 1.16.0-r2

alpine advisories ALPINE-CVE-2020-35492

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • cairo Arch Linux 1.17.4-5
  • lib32-cairo Arch Linux 1.17.4-5

arch linux advisories AVG-1391AVG-1392

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-2020-35492 updated cvss 7.8

cairo: libreoffice slideshow aborts with stack smashing in cairo's composite_boxes

  • Red Hat Enterprise Linux 5 cairo Red Hat Enterprise Linux 6 cairo Red Hat Enterprise Linux 7 cairo, cairo-tools, cairo-gobject
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux AppStream (v. 8) cairo 1.15.12-6.el8, cairo-gobject 1.15.12-6.el8
    fixed: vendor fix RHSA-2022:1961
  • Red Hat Enterprise Linux 6 autocorr-af, autocorr-bg, autocorr-ca, autocorr-cs, autocorr-da, autocorr-de, +60 more Red Hat Enterprise Linux 7 autocorr-af, autocorr-bg, autocorr-ca, autocorr-cs, autocorr-da, autocorr-de, +105 more Red Hat Enterprise Linux 8 autocorr-af, autocorr-bg, autocorr-ca, autocorr-cs, autocorr-da, autocorr-de, +97 more Red Hat Enterprise Linux 9 cairo, cairo-gobject Red Hat Enterprise Linux AppStream (v. 8) pixman 0.38.4-2.el8
    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

1.02% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
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
OSV 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
julia Cairo_jll
<1.18.0+0
1.18.0+0

Affected products

  • n/a cairo

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.