CVE-2019-20326

Name: CVE-2019-20326
Creator: NVD / NIST
Published: 2020-03-16T22:15:14.59+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 2.15%

Last modified Jun 17, 2026

CVE-2019-20326 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A heap-based buffer overflow in _cairo_image_surface_create_from_jpeg() in extensions/cairo_io/cairo-image-surface-jpeg.c in GNOME gThumb before 3.8.3 and Linux Mint Pix before 2.4.5 allows attackers to cause a crash and potentially execute arbitrary code via a crafted JPEG file.. EPSS estimates a 2.15% chance of exploitation in the next 30 days.

Description

A heap-based buffer overflow in _cairo_image_surface_create_from_jpeg() in extensions/cairo_io/cairo-image-surface-jpeg.c in GNOME gThumb before 3.8.3 and Linux Mint Pix before 2.4.5 allows attackers to cause a crash and potentially execute arbitrary code via a crafted JPEG file.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

2.15%

79.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Gnome	Gthumb	< 3.8.3
Linuxmint	Pix	< 2.4.5
Debian	Debian Linux	9.0

References

https://github.com/Fysac/CVE-2019-20326Exploit, Third Party Advisory
https://gitlab.gnome.org/GNOME/gthumb/commit/4faa5ce2358812d23a1147953ee76f59631590adPatch, Vendor Advisory
https://gitlab.gnome.org/GNOME/gthumb/commit/ca8f528209ab78935c30e42fe53bdf1a24f3cb44Vendor Advisory
https://gitlab.gnome.org/GNOME/gthumb/commits/master/extensions/cairo_io/cairo-image-surface-jpeg.cVendor Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00027.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/202008-05Third Party Advisory
https://github.com/Fysac/CVE-2019-20326Exploit, Third Party Advisory
https://gitlab.gnome.org/GNOME/gthumb/commit/4faa5ce2358812d23a1147953ee76f59631590adPatch, Vendor Advisory
https://gitlab.gnome.org/GNOME/gthumb/commit/ca8f528209ab78935c30e42fe53bdf1a24f3cb44Vendor Advisory
https://gitlab.gnome.org/GNOME/gthumb/commits/master/extensions/cairo_io/cairo-image-surface-jpeg.cVendor Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00027.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/202008-05Third Party Advisory

Timeline

Published: Mar 16, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-20326?

How severe is CVE-2019-20326?

CVE-2019-20326 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.15% probability of exploitation in the next 30 days.

How do I fix CVE-2019-20326?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-20326?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST