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A flaw exists in gdk‑pixbuf within the gdk_pixbuf__jpeg_image_load_increment function (io-jpeg.c) and in glib’s g_base64_encode_step (glib/gbase64.c). When processing maliciously crafted JPEG images, a heap buffer overflow can occur during Base64 encoding, allowing out-of-bounds reads from heap memory, potentially causing application crashes or arbitrary code execution.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade gdk-pixbuf2-xlib-develUpgrade gdk-pixbuf2Upgrade gdk-pixbuf2-modulesUpgrade gdk-pixbuf2-xlibUpgrade gdk-pixbuf2-devel | Aug 8, 2025 | Aug 7, 2025 |
| Amazon Linux Ami 2 | — | Upgrade gdk-pixbuf2Upgrade gdk-pixbuf2-testsUpgrade gdk-pixbuf2-debuginfoUpgrade gdk-pixbuf2-devel | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade gdk-pixbuf2-tests-debuginfoUpgrade gdk-pixbuf2-debuginfoUpgrade gdk-pixbuf2-testsUpgrade gdk-pixbuf2-modulesUpgrade gdk-pixbuf2-debugsourceUpgrade gdk-pixbuf2-devel-debuginfoUpgrade gdk-pixbuf2Upgrade gdk-pixbuf2-modules-debuginfoUpgrade gdk-pixbuf2-devel | Aug 5, 2025 | Jul 8, 2025 |
| Debian | — | Upgrade gdk-pixbuf | Jul 10, 2025 | Jul 8, 2025 |
| Freebsd | — | Upgrade gdk-pixbuf2 | Jul 25, 2025 | Jul 24, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade gdk-pixbuf2-modulesUpgrade gdk-pixbuf2-helpUpgrade gdk-pixbuf2-develUpgrade gdk-pixbuf2 | Oct 14, 2025 | Sep 9, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade gdk-pixbuf2-helpUpgrade gdk-pixbuf2Upgrade gdk-pixbuf2-modulesUpgrade gdk-pixbuf2-devel | Sep 15, 2025 | Sep 9, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade gdk-pixbuf2-modulesUpgrade gdk-pixbuf2-develUpgrade gdk-pixbuf2Upgrade gdk-pixbuf2-help | Oct 24, 2025 | Sep 9, 2025 |
| Oracle_linux | — | Upgrade gdk-pixbuf2-testsUpgrade gdk-pixbuf2Upgrade gdk-pixbuf2-modulesUpgrade gdk-pixbuf2-xlibUpgrade gdk-pixbuf2-xlib-develUpgrade gdk-pixbuf2-devel | Aug 6, 2025 | Jul 8, 2025 |
| Redhat_linux | — | Upgrade gdk-pixbuf2-modules-debuginfoUpgrade gdk-pixbuf2-xlib-develUpgrade gdk-pixbuf2-xlib-debuginfoUpgrade gdk-pixbuf2-debugsourceUpgrade gdk-pixbuf2Upgrade gdk-pixbuf2-debuginfoUpgrade gdk-pixbuf2-develUpgrade gdk-pixbuf2-xlibUpgrade gdk-pixbuf2-modulesUpgrade gdk-pixbuf2-testsUpgrade gdk-pixbuf2-tests-debuginfoNo solution existsUpgrade gdk-pixbuf2-devel-debuginfo | Jul 9, 2025 | Jul 8, 2025 |
| Rocky_linux | — | Upgrade gdk-pixbuf2-xlib-develUpgrade gdk-pixbuf2-xlib-debuginfoUpgrade gdk-pixbuf2-devel-debuginfoUpgrade gdk-pixbuf2Upgrade gdk-pixbuf2-debuginfoUpgrade gdk-pixbuf2-modules-debuginfoUpgrade gdk-pixbuf2-xlibUpgrade gdk-pixbuf2-develUpgrade gdk-pixbuf2-modulesUpgrade gdk-pixbuf2-debugsource | Feb 5, 2026 | Sep 8, 2025 |
| Suse | — | Upgrade gdk-pixbuf-query-loadersUpgrade gdk-pixbuf-develUpgrade gdk-pixbuf-query-loaders-32bitUpgrade gdk-pixbuf-langUpgrade typelib-1_0-GdkPixbuf-2_0Upgrade gdk-pixbuf-thumbnailerUpgrade libgdk_pixbuf-2_0-0Upgrade typelib-1_0-GdkPixdata-2_0Upgrade gdk-pixbuf-devel-32bitUpgrade libgdk_pixbuf-2_0-0-32bit | Aug 27, 2025 | Aug 11, 2025 |
| Ubuntu | — | Upgrade libgdk-pixbuf2.0-0 (Ubuntu Pro)Upgrade libgdk-pixbuf-2.0-0 | Jul 14, 2025 | Jul 8, 2025 |
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