Gnome Gthumb vulnerabilities

CVE-2019-20326 [HIGH] CWE-787 CVE-2019-20326: A heap-based buffer overflow in _cairo_image_surface_create_from_jpeg() in extensions/cairo_io/cairo 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.

CVE-2018-18718 [HIGH] CWE-415 CVE-2018-18718: An issue was discovered in gThumb through 3.6.2. There is a double-free vulnerability in the add_the An issue was discovered in gThumb through 3.6.2. There is a double-free vulnerability in the add_themes_from_dir method in dlg-contact-sheet.c because of two successive calls of g_free, each of which frees the same buffer.

CVE-2020-36427 [MEDIUM] CVE-2020-36427: GNOME gThumb before 3.10.1 allows an application crash via a malformed JPEG image. GNOME gThumb before 3.10.1 allows an application crash via a malformed JPEG image.