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Fencer Intel
high 7.8

CVE-2019-20326 json

A heap-based buffer overflow in _cairo_image_surface_create_from_jpeg() in extensions/cairo_io/cairo-image-surface-jpeg.c in GNOME gThumb b…

published 6y ago modified 4mo ago also EUVD-2019-10880

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

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.

Patch / fix

  • gnome gthumb 3.8.3
  • linuxmint pix 2.4.5
  • gthumb Debian 14, Debian 13, Debian 12 3:3.8.3-0.1

debian advisories DEBIAN-CVE-2019-20326

  • gthumb Ubuntu 20.04 LTS 3:3.8.0-2.1ubuntu0.1
  • gthumb Ubuntu Pro 16.04 LTS 3:3.4.3-1ubuntu0.1~esm1
  • gthumb Ubuntu Pro 18.04 LTS 3:3.6.1-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2019-20326

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

Is CVE-2019-20326 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2019-20326 updated cvss 7.8

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

  • Red Hat Enterprise Linux 5 gthumb Red Hat Enterprise Linux 6 gthumb
    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

2.19% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/Fysac/CVE-2019-20326 referenced PoC, tagged "exploit" by a source, unverified

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

Classification

Weakness

References

Sources

Fencer Intel 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.