CVE-2016-7568: Buffer Overflow
First published: Wed Sep 28 2016(Updated: )
Integer overflow in the gdImageWebpCtx function in gd_webp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP through 7.0.11, allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via crafted imagewebp and imagedestroy calls.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| libgd | <=2.2.3 | |
| PHP | >=5.6.0<=5.6.26 | |
| PHP | >=7.0.0<=7.0.11 | |
| Debian Linux | =8.0 |
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Reference Links
- http://www.debian.org/security/2016/dsa-3693
- http://www.securityfocus.com/bid/93184
- https://bugs.php.net/bug.php?id=73003
- https://github.com/libgd/libgd/commit/40bec0f38f50e8510f5bb71a82f516d46facde03
- https://github.com/libgd/libgd/issues/308
- https://github.com/php/php-src/commit/c18263e0e0769faee96a5d0ee04b750c442783c6
- https://security.gentoo.org/glsa/201612-09
Frequently Asked Questions
What is the severity of CVE-2016-7568?
CVE-2016-7568 has a severity rating that may result in denial of service and potentially other unspecified impacts.
How do I fix CVE-2016-7568?
To fix CVE-2016-7568, update to GD Graphics Library version 2.2.4 or later, or PHP version 5.6.27, 7.0.12, or higher.
What types of software are affected by CVE-2016-7568?
CVE-2016-7568 affects GD Graphics Library versions up to 2.2.3 and specific PHP versions between 5.6.0 to 5.6.26 and 7.0.0 to 7.0.11.
Can CVE-2016-7568 be exploited remotely?
Yes, CVE-2016-7568 can be exploited remotely by attackers through specially crafted webp images.
What impact can CVE-2016-7568 have on systems?
The impact of CVE-2016-7568 can include a heap-based buffer overflow, leading to potential denial of service.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/author
- agent/last-modified-date
- agent/remedy
- agent/references
- agent/description
- agent/event
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- agent/source
- agent/weakness
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/libgd
- canonical/libgd
- version/libgd/2.2.3
- vendor/php
- canonical/php
- version/php/5.6.0
- version/php/5.6.26
- version/php/7.0.0
- version/php/7.0.11
- vendor/debian
- canonical/debian linux
- version/debian linux/8.0