CVE-2016-7568
9.8
CRITICAL · CVSS 3.0 · EPSS 5.1% (pctl 92)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 5.1% — more likely to be exploited than 92% of all CVEs |
| Weakness | CWE-190 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2016-09-28 |
| Last modified | 2026-06-17 |
Affected (3)
| Vendor | Product |
|---|---|
| debian | debian linux |
| libgd | libgd |
| php | php |
References
- http://www.debian.org/security/2016/dsa-3693
- http://www.securityfocus.com/bid/93184
- https://bugs.php.net/bug.php?id=73003
- https://github.com/libgd/libgd/commit/40bec0f38f50e8510f5bb71a82f516d46facde03
- https://github.com/libgd/libgd/issues/308
- https://github.com/php/php-src/commit/c18263e0e0769faee96a5d0ee04b750c442783c6
- https://security.gentoo.org/glsa/201612-09
- http://www.debian.org/security/2016/dsa-3693
- http://www.securityfocus.com/bid/93184
- https://bugs.php.net/bug.php?id=73003
- https://github.com/libgd/libgd/commit/40bec0f38f50e8510f5bb71a82f516d46facde03
- https://github.com/libgd/libgd/issues/308
- https://github.com/php/php-src/commit/c18263e0e0769faee96a5d0ee04b750c442783c6
- https://security.gentoo.org/glsa/201612-09
→ the Explorer · watch your stack · NVD