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CRITICAL · 9.8

CVE-2016-7568

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 (...

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
LibgdLibgd<= 2.2.3
PhpPhp>= 5.6.0, <= 5.6.26
DebianDebian Linux8.0

Related Weaknesses (CWE)

CWE-190

References

FAQ

What is CVE-2016-7568?

CVE-2016-7568 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 (...

How severe is CVE-2016-7568?

CVE-2016-7568 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2016-7568?

Check the references section above for vendor advisories and patch information. Affected products include: Libgd Libgd, Php Php, Debian Debian Linux.