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Ubuntu: USN-4663-1 (CVE-2020-29385): GDK-PixBuf vulnerability

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Ubuntu: USN-4663-1 (CVE-2020-29385): GDK-PixBuf vulnerability

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
12/08/2020
Created
12/11/2020
Added
12/09/2020
Modified
03/22/2023

Description

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.

Solution(s)

  • ubuntu-upgrade-libgdk-pixbuf2-0-0

References

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