CVE-2016-10168: Integer Overflow
First published: Thu Jan 19 2017(Updated: )
Integer overflow in gd_io.c in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to have unspecified impact via vectors involving the number of horizontal and vertical chunks in an image.
Credit: security@debian.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/gd | <2.2.4 | 2.2.4 |
| redhat/php | <5.6.30 | 5.6.30 |
| redhat/php | <7.0.15 | 7.0.15 |
| redhat/php | <7.1.1 | 7.1.1 |
| PHP | <7.0.15 | 7.0.15 |
| libgd | <=2.2.3 |
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Reference Links
- http://libgd.github.io/release-2.2.4.html
- http://www.debian.org/security/2017/dsa-3777
- http://www.openwall.com/lists/oss-security/2017/01/26/1
- http://www.openwall.com/lists/oss-security/2017/01/28/6
- http://www.securityfocus.com/bid/95869
- http://www.securitytracker.com/id/1037659
- https://access.redhat.com/errata/RHSA-2017:3221
- https://access.redhat.com/errata/RHSA-2018:1296
- https://github.com/libgd/libgd/commit/69d2fd2c597ffc0c217de1238b9bf4d4bceba8e6
- https://github.com/libgd/libgd/issues/354
- https://www.php.net/ChangeLog-7.php#7.0.15 (Advisory)
- https://bugs.php.net/bug.php?id=73869
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1418991
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1418992
- https://bugzilla.redhat.com/show_bug.cgi?id=1418986
Frequently Asked Questions
What is the severity of CVE-2016-10168?
CVE-2016-10168 has a medium severity rating due to the potential for integer overflow vulnerabilities.
How do I fix CVE-2016-10168?
To fix CVE-2016-10168, upgrade the GD Graphics Library to version 2.2.4 or higher.
What systems are affected by CVE-2016-10168?
CVE-2016-10168 affects versions of the GD Graphics Library prior to 2.2.4 and certain versions of PHP.
What types of attacks could exploit CVE-2016-10168?
An attacker could exploit CVE-2016-10168 by crafting a malicious image that triggers integer overflow, leading to potential denial of service.
Is CVE-2016-10168 still a concern for modern systems?
Although CVE-2016-10168 has been patched, systems running outdated versions may still be at risk if not updated.
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