CVE-2016-7568

moderate-risk
Published 2016-09-28

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.

Do I need to act?

~
3.4% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (3)

Php

Affected Vendors

Debian Libgd Php

References (14)

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
Third Party Advisory https://security.gentoo.org/glsa/201612-09
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
Third Party Advisory https://security.gentoo.org/glsa/201612-09
48
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 7/34 · Low
Exposure 9/34 · Low