FreeBSD VuXML: Documenting security issues in FreeBSD and the FreeBSD Ports Collection

giflib -- heap overflow

Affected packages
giflib < 5.1.2


VuXML ID 90c8385a-dc9f-11e5-8fa8-14dae9d210b8
Discovery 2015-12-21
Entry 2016-02-26

Hans Jerry Illikainen reports:

A heap overflow may occur in the giffix utility included in giflib-5.1.1 when processing records of the type `IMAGE_DESC_RECORD_TYPE' due to the allocated size of `LineBuffer' equaling the value of the logical screen width, `GifFileIn->SWidth', while subsequently having `GifFileIn->Image.Width' bytes of data written to it.


CVE Name CVE-2015-7555