Home CVE Database CVE-2017-7890



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.

Priority: MEDIUM
CVSS v3: 6.5
Publish Date: Aug 2, 2017
Related ID: --
CVSS v2: Medium
Modified Date: Aug 2, 2017

Find out more about CVE-2017-7890 from the MITRE-CVE dictionary and NIST NVD

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