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CVE-2019-20326

26
FAUCET Score

CVE-2019-20326 is a heap-based buffer overflow in GNOME gThumb and Linux Mint Pix, specifically within the cairo_image_surface_create_from_jpeg() function. This vulnerability, triggered by a crafted JPEG file, allows for a crash and potential arbitrary code execution. It carries a CVSSv3.1 score of 7.8 (High), indicating a local attack vector with low complexity, requiring user interaction, and leading to high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.8.3CPE matchmatch criteria
cpe:2.3:a:gnome:gthumb:*:*:*:*:*:*:*:*
< 2.4.5CPE matchmatch criteria
cpe:2.3:a:linuxmint:pix:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.15%
Probability of exploitation in next 30 days
EPSS Percentile
80.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0215 is in the 80th percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2019-20326Important

gthumb: heap-based buffer overflow in _cairo_image_surface_create_from_jpeg in extensions/cairo_io/cairo-image-surface-jpeg.c

Jan 19, 2020

References

github.com / Fysac/CVE-2019-20326
ExploitThird Party Advisory
gitlab.gnome.org / GNOME/gthumb/commit/4faa5ce2358812d23a1147953ee76f59631590ad
PatchVendor Advisory
gitlab.gnome.org / GNOME/gthumb/commit/ca8f528209ab78935c30e42fe53bdf1a24f3cb44
Vendor Advisory
gitlab.gnome.org / GNOME/gthumb/commits/master/extensions/cairo_io/cairo-image-surface-jpeg.c
Vendor Advisory
lists.debian.org / debian-lts-announce/2021/08/msg00027.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/202008-05
Third Party Advisory