There exists a stack buffer overflow in libjxl. A specifically-crafted file can cause the JPEG XL decoder to use large amounts of stack space (up to 256mb is possible, maybe 512mb), potentially exhausting the stack. An attacker can craft a file that will cause excessive memory usage. We recommend upgrading past commit 65fbec56bc578b6b6ee02a527be70787bbd053b0.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "0.11.1-4", "binary_name": "jpeg-xl-doc" }, { "binary_version": "0.11.1-4", "binary_name": "libjpegxl-java" }, { "binary_version": "0.11.1-4", "binary_name": "libjpegxl-java-dbgsym" }, { "binary_version": "0.11.1-4", "binary_name": "libjxl-dev" }, { "binary_version": "0.11.1-4", "binary_name": "libjxl-devtools" }, { "binary_version": "0.11.1-4", "binary_name": "libjxl-devtools-dbgsym" }, { "binary_version": "0.11.1-4", "binary_name": "libjxl-gdk-pixbuf" }, { "binary_version": "0.11.1-4", "binary_name": "libjxl-gdk-pixbuf-dbgsym" }, { "binary_version": "0.11.1-4", "binary_name": "libjxl-tools" }, { "binary_version": "0.11.1-4", "binary_name": "libjxl-tools-dbgsym" }, { "binary_version": "0.11.1-4", "binary_name": "libjxl0.11" }, { "binary_version": "0.11.1-4", "binary_name": "libjxl0.11-dbgsym" } ] }