CVE details
CVE-2026-35444
SDL_image is a library to load images of various formats as SDL surfaces. In do_layer_surface() in src/IMG_xcf.c, pixel index values from decoded XCF tile data are used directly as colormap indices without validating them against the colormap size (cm_num). A crafted .xcf file with a small colormap and out-of-range pixel indices causes heap out-of-bounds reads of up to 762 bytes past the colormap allocation. Both IMAGE_INDEXED code paths are affected (bpp=1 and bpp=2). The leaked heap bytes are written into the output surface pixel data, making them potentially observable in the rendered image. This vulnerability is fixed with commit 996bf12888925932daace576e09c3053410896f8.
Affected ports (1)
| Port | Package | Version | Status | Maintainer |
|---|---|---|---|---|
| graphics/sdl_image | sdl_image | 1.2.12_14 | unaddressed | amdmi3@FreeBSD.org |
Template for a VuXML entry
Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.
<vuln vid="FIXME (make newentry)">
<topic>FIXME -- FIXME</topic>
<affects>
<package>
<name>sdl_image</name>
<range><lt>2026-04-02</lt></range>
</package>
</affects>
<description>
<body xmlns="http://www.w3.org/1999/xhtml">
<p>SDL_image is a library to load images of various formats as SDL
surfaces. In do_layer_surface() in src/IMG_xcf.c, pixel index values
from decoded XCF tile data are used directly as colormap indices
without validating them against the colormap size (cm_num). A crafted
.xcf file with a small colormap and out-of-range pixel indices causes
heap out-of-bounds reads of up to 762 bytes past the colormap
allocation. Both IMAGE_INDEXED code paths are affected (bpp=1 and
bpp=2). The leaked heap bytes are written into the output surface
pixel data, making them potentially observable in the rendered image.
This vulnerability is fixed with commit
996bf12888925932daace576e09c3053410896f8.</p>
</body>
</description>
<references>
<cvename>CVE-2026-35444</cvename>
<url>https://nvd.nist.gov/vuln/detail/CVE-2026-35444</url>
</references>
<dates>
<discovery>2026-04-06</discovery>
<entry>2026-10-25</entry>
</dates>
</vuln>