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 (heap-based buffer overflow) or possibly have…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.10% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- libgd/libgd · php/php · debian/debian linux
- Source
- cve@mitre.org
References
- http://www.debian.org/security/2016/dsa-3693Third Party Advisory
- http://www.securityfocus.com/bid/93184Third Party Advisory, VDB Entry
- https://bugs.php.net/bug.php?id=73003Issue Tracking, Vendor Advisory
- https://github.com/libgd/libgd/commit/40bec0f38f50e8510f5bb71a82f516d46facde03Issue Tracking, Patch, Third Party Advisory
- https://github.com/libgd/libgd/issues/308Issue Tracking, Patch, Third Party Advisory
- https://github.com/php/php-src/commit/c18263e0e0769faee96a5d0ee04b750c442783c6Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201612-09Third Party Advisory
- http://www.debian.org/security/2016/dsa-3693Third Party Advisory
- http://www.securityfocus.com/bid/93184Third Party Advisory, VDB Entry
- https://bugs.php.net/bug.php?id=73003Issue Tracking, Vendor Advisory
- https://github.com/libgd/libgd/commit/40bec0f38f50e8510f5bb71a82f516d46facde03Issue Tracking, Patch, Third Party Advisory
- https://github.com/libgd/libgd/issues/308Issue Tracking, Patch, Third Party Advisory
- https://github.com/php/php-src/commit/c18263e0e0769faee96a5d0ee04b750c442783c6Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201612-09Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.