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
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- libgd/libgd · php/php · debian/debian linux
- Source
- cve@mitre.org
EPSS 5.1% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.