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VuXML IDDescription
2a526c78-84ab-11e6-a4a1-60a44ce6887blibgd -- integer overflow which could lead to heap buffer overflow

LibGD reports:

An integer overflow issue was found in function gdImageWebpCtx of file gd_webp.c which could lead to heap buffer overflow.


Discovery 2016-09-02
Entry 2016-10-11
Modified 2016-10-18
gd
le 2.2.3

php70-gd
le 7.0.11

php56-gd
le 5.6.26

https://github.com/libgd/libgd/issues/308
https://bugs.php.net/bug.php?id=73003
ports/213023
5033e2fc-98ec-4ef5-8e0b-87cfbbc73081php-gd and gd -- Buffer over-read into uninitialized memory

PHP developers report:

The GIF decoding function gdImageCreateFromGifCtx in gd_gif_in.c in the GD Graphics Library (aka libgd), as used in PHP before 5.6.31 and 7.x before 7.1.7, does not zero colorMap arrays before use. A specially crafted GIF image could use the uninitialized tables to read ~700 bytes from the top of the stack, potentially disclosing sensitive information.


Discovery 2017-08-02
Entry 2017-09-26
libgd
< 2.2.5

php70-gd
< 7.0.21

php71-gd
< 7.1.7

https://bugs.php.net/bug.php?id=74435
CVE-2017-7890