gir1.2-gdkpixbuf-2.0: GNOME gdk-pixbuf (aka GdkPixbuf) before 2.42.2 allows a denial of service (infinite loop) in lzw.c in the function wr...
CVE-2020-29385 is fixed in 4 products on 1 platform, first by gir1.2-gdkpixbuf-2.0 2.40.0+dfsg-3ubuntu0.1, released December 7, 2020. It is not reported as exploited. Patch Radar priority: Routine.
GNOME gdk-pixbuf (aka GdkPixbuf) before 2.42.2 allows a denial of service (infinite loop) in lzw.c in the function write_indexes. if c->self_code equals 10, self->code_table[10].extends will assign the value 11 to c. The next execution in the loop will assign self->code_table[11].extends to c, which will give the value of 10. This will make the loop run infinitely. This bug can, for example, be triggered by calling this function with a GIF image with LZW compression that is crafted in a special way.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| gir1.2-gdkpixbuf-2.0 · Ubuntu 20.04 LTS (focal) | 2.40.0+dfsg-3ubuntu0.1 | gir1.2-gdkpixbuf-2.0 2.40.0+dfsg-3ubuntu0.1 | Dec 7, 2020 |
| libgdk-pixbuf2.0-0 · Ubuntu 20.04 LTS (focal) | 2.40.0+dfsg-3ubuntu0.1 | libgdk-pixbuf2.0-0 2.40.0+dfsg-3ubuntu0.1 | Dec 7, 2020 |
| libgdk-pixbuf2.0-bin · Ubuntu 20.04 LTS (focal) | 2.40.0+dfsg-3ubuntu0.1 | libgdk-pixbuf2.0-bin 2.40.0+dfsg-3ubuntu0.1 | Dec 7, 2020 |
| libgdk-pixbuf2.0-common · Ubuntu 20.04 LTS (focal) | 2.40.0+dfsg-3ubuntu0.1 | libgdk-pixbuf2.0-common 2.40.0+dfsg-3ubuntu0.1 | Dec 7, 2020 |
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