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CVE-2017-7890

Status Candidate

Overview

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.

Related Files

Slackware Security Advisory - gd Updates
Posted Apr 19, 2018
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New gd packages are available for Slackware 14.2 and -current to fix security issues.

tags | advisory
systems | linux, slackware
advisories | CVE-2017-6362, CVE-2017-7890
SHA-256 | 86ee3d5531e8cde7c3307d3b31bdfee75b677158c29f40f0859bc58b0eee5eea
Download | Favorite | View
Red Hat Security Advisory 2018-0406-01
Posted Mar 6, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0406-01 - PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. Security Fix: php: Buffer over-read from uninitialized data in gdImageCreateFromGifCtx function.

tags | advisory, web, php
systems | linux, redhat
advisories | CVE-2017-7890
SHA-256 | 4322515cbf61927f02138b3b9c63386e93b8fc562cb4ad2a53a1c5aa43d92afe
Download | Favorite | View
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