high
8.8
CWE
119 190
Advisory Published
Updated

CVE-2016-5767: Buffer Overflow

First published: Sun Aug 07 2016(Updated: )

Integer overflow in the gdImageCreate function in gd.c in the GD Graphics Library (aka libgd) before 2.0.34RC1, as used in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted image dimensions.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
PHP<7.0.8
7.0.8
libgd<=2.0.33
PHP<=5.5.36
PHP=5.6.0-alpha1
PHP=5.6.0-alpha2
PHP=5.6.0-alpha3
PHP=5.6.0-alpha4
PHP=5.6.0-alpha5
PHP=5.6.0-beta1
PHP=5.6.0-beta2
PHP=5.6.0-beta3
PHP=5.6.0-beta4
PHP=5.6.1
PHP=5.6.2
PHP=5.6.3
PHP=5.6.4
PHP=5.6.5
PHP=5.6.6
PHP=5.6.7
PHP=5.6.8
PHP=5.6.9
PHP=5.6.10
PHP=5.6.11
PHP=5.6.12
PHP=5.6.13
PHP=5.6.14
PHP=5.6.15
PHP=5.6.16
PHP=5.6.17
PHP=5.6.18
PHP=5.6.19
PHP=5.6.20
PHP=5.6.21
PHP=5.6.22
PHP=7.0.0
PHP=7.0.1
PHP=7.0.2
PHP=7.0.3
PHP=7.0.4
PHP=7.0.5
PHP=7.0.6
PHP=7.0.7

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2016-5767?

    CVE-2016-5767 has a high severity, as it can lead to denial of service through a heap-based buffer overflow.

  • How do I fix CVE-2016-5767?

    To fix CVE-2016-5767, upgrade to PHP versions 7.0.8 or newer, or GD Graphics Library version 2.0.34RC1 or newer.

  • Which versions of PHP are affected by CVE-2016-5767?

    PHP versions below 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 are affected by CVE-2016-5767.

  • Is there a workaround for CVE-2016-5767?

    There are no known effective workarounds for CVE-2016-5767; upgrading to patched versions is recommended.

  • What type of vulnerability is CVE-2016-5767 classified as?

    CVE-2016-5767 is classified as a remote denial of service vulnerability due to integer overflow.

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