ImageMagick <7.1.2-24 Heap Buffer Overwrite via FloydSteinberg Dithering
CVE-2026-48724 Published on June 10, 2026
ImageMagick: Heap Buffer Underwrite in Floyd-Steinberg depth dithering
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.2-24, when using an image with mask the Floyd-Steinberg dithering method it will cause a negative heap buffer over-write. This issue has been patched in version 7.1.2-24.
Vulnerability Analysis
CVE-2026-48724 is exploitable with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2026-48724 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2026-48724
Want to know whenever a new CVE is published for ImageMagick? stack.watch will email you.
