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CVE-2016-5766

UnknownEPSS 7.56%

Last modified

CVE-2016-5766 is a vulnerability of currently unknown severity. Integer overflow in the _gd2GetHeader function in gd_gd2.c in the GD Graphics Library (aka libgd) before 2.2.3, 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 crafted chunk dimensions in an image.. EPSS estimates a 7.56% chance of exploitation in the next 30 days.

Description

Integer overflow in the _gd2GetHeader function in gd_gd2.c in the GD Graphics Library (aka libgd) before 2.2.3, 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 crafted chunk dimensions in an image.

Metrics

EPSS Probability
7.56%

93.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
RedhatOpenshift2.0
FreebsdFreebsd8.3
RedhatEnterprise Linux6.0
FreebsdFreebsd8.0
RedhatEnterprise Linux5
LibgdLibgd2.2.2
FreebsdFreebsd10.0
FedoraprojectFedora23
DebianDebian Linux8.0
FreebsdFreebsd10.1
FedoraprojectFedora24
FreebsdFreebsd8.4
FreebsdFreebsd9.2
FreebsdFreebsd8.2
FreebsdFreebsd8.1
FreebsdFreebsd9.0
FreebsdFreebsd10.2
FedoraprojectFedora22
FreebsdFreebsd9.3
RedhatEnterprise Linux7.0
FreebsdFreebsd10.3
FreebsdFreebsd9.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-5766?
Integer overflow in the _gd2GetHeader function in gd_gd2.c in the GD Graphics Library (aka libgd) before 2.2.3, 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 crafted chunk dimensions in an image.
How severe is CVE-2016-5766?
Severity scoring for CVE-2016-5766 is pending analysis. The EPSS model estimates a 7.56% probability of exploitation in the next 30 days.
How do I fix CVE-2016-5766?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-5766?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST