CVE-2016-7568

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Summary

CVECVE-2016-7568
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-09-28 20:59:02 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionInteger 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.

Risk And Classification

Primary CVSS: v3.0 9.8 CRITICAL from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.034210000 probability, percentile 0.875170000 (date 2026-05-07)

Problem Types: CWE-190 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary9.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 8.0 All All All
Application Libgd Libgd All All All All
Application Php Php All All All All
Application Php Php All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
PHP :: Sec Bug #73003 :: Integer Overflow in gdImageWebpCtx of gd_webp.c af854a3a-2127-422b-91ae-364da2661108 bugs.php.net Issue Tracking, Vendor Advisory
Merge branch 'PHP-5.6' into PHP-7.0 · php/php-src@c18263e · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking, Patch, Third Party Advisory
GD: Multiple vulnerabilities (GLSA 201612-09) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Third Party Advisory
libgd 'gd_webp.c' Integer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Merge branch 'pull-request/296' · libgd/libgd@40bec0f · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking, Patch, Third Party Advisory
Debian -- Security Information -- DSA-3693-1 libgd2 af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
CVE-2016-7568 Integer Overflow in gdImageWebpCtx · Issue #308 · libgd/libgd · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking, Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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