Critical severity · published Sep 28, 2016
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…
9.8
CVSS
5.1%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.1% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
5.6.0 through 5.6.26; 7.0.0 through 7.0.11 · source: NVD
DL
Debian Linux · Debian
8.0 · source: NVD
LI
Libgd · Libgd
through 2.2.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-7568
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-7568
Third Party Advisory
http://www.debian.org/security/2016/dsa-3693
Third Party Advisory
http://www.securityfocus.com/bid/93184
Issue Tracking
https://bugs.php.net/bug.php?id=73003
Issue Tracking
https://github.com/libgd/libgd/commit/40bec0f38f50e8510f5bb71a82f516d46facde03
Issue Tracking
https://github.com/libgd/libgd/issues/308
Issue Tracking
https://github.com/php/php-src/commit/c18263e0e0769faee96a5d0ee04b750c442783c6
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