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CVE-2020-29385

Published: 8 December 2020

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.

Priority

Medium

CVSS 3 base score: 5.5

Status

Package Release Status
gdk-pixbuf
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal
Released (2.40.0+dfsg-3ubuntu0.1)
groovy
Released (2.40.0+dfsg-5ubuntu0.1)
precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code not present)