CVE-2019-20326 Memory corruption in n/a

What is CVE-2019-20326?

CVE-2019-20326 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 16 Mar 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-787

Which versions are affected by CVE-2019-20326?

It affects 3 products.

Products include Debian Debian Linux, Gnome Gthumb, Linuxmint Pix.

How do I fix CVE-2019-20326?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-20326 being exploited?

There is no known exploitation of CVE-2019-20326 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• How this page is made

Also known as DEBIAN-CVE-2019-20326, DLA-2066-1, DLA-2749-1, MGASA-2020-0056, MGASA-2021-0090, UBUNTU-CVE-2019-20326.