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Gentoo Linux: CVE-2020-29385: GDK-PixBuf: Denial of service

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Gentoo Linux: CVE-2020-29385: GDK-PixBuf: Denial of service

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
12/26/2020
Created
12/30/2020
Added
12/29/2020
Modified
01/04/2021

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)

  • gentoo-linux-upgrade-x11-libs-gdk-pixbuf

References

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