Critical
Security advisory
The imagegammacorrect function in ext/gd/gd.c in PHP before 5.6.25 and 7.x before 7.0.10 does not properly validate gamma values, which allows remote attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact by providing different signs for the second and third arguments.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-7127
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:13 UTC · Revision 1
Source evidence
The imagegammacorrect function in ext/gd/gd.c in PHP before 5.6.25 and 7.x before 7.0.10 does not properly validate gamma values, which allows remote attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact by providing different signs for the second and third arguments.
osv:CVE-2016-7127
Complete source record
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"url": "https://osv.dev/vulnerability/CVE-2016-7127",
"method": "structured",
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"title": "CVE-2016-7127",
"summary": "The imagegammacorrect function in ext/gd/gd.c in PHP before 5.6.25 and 7.x before 7.0.10 does not properly validate gamma values, which allows remote attackers to cause a denial of service (out-of-bounds write) or possibly have unspecified other impact by providing different signs for the second and third arguments.",
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"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-7127.json",
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"source": "https://github.com/php/php-src/commit/1bd103df00f49cf4d4ade2cfe3f456ac058a4eae",
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"modified": "2026-10-20T13:23:23.530537934Z",
"provider": "osv",
"references": [
"https://www.tenable.com/security/tns-2016-19",
"https://security.gentoo.org/glsa/201611-22",
"https://bugs.php.net/bug.php?id=72730",
"https://github.com/php/php-src/commit/1bd103df00f49cf4d4ade2cfe3f456ac058a4eae?w=1"
],
"provider_metadata": {}
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"related_cves": [
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"value": "CVE-2016-7127",
"evidence": "/id"
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"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 387599,
"published_at": "2016-09-12T01:59:05.707+00:00"
}