Critical
Security advisory
Stack-based buffer overflow in ext/phar/tar.c in PHP before 5.5.32, 5.6.x before 5.6.18, and 7.x before 7.0.3 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted TAR archive.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-2554
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:25 UTC · Revision 1
Source evidence
Stack-based buffer overflow in ext/phar/tar.c in PHP before 5.5.32, 5.6.x before 5.6.18, and 7.x before 7.0.3 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted TAR archive.
osv:CVE-2016-2554
Complete source record
{
"id": "a24f97284a6fa0608a422c76d88114d511fb97a6293bd936327555701d80dd82",
"url": "https://osv.dev/vulnerability/CVE-2016-2554",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2016-2554",
"summary": "Stack-based buffer overflow in ext/phar/tar.c in PHP before 5.5.32, 5.6.x before 5.6.18, and 7.x before 7.0.3 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted TAR archive.",
"evidence": "osv:CVE-2016-2554",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2016-2554",
"aliases": [
"CVE-2016-2554"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/php/php-src",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "6c78ce66de2a9c4f872ae67b967a5c6e2a8f6c47"
},
{
"introduced": "60fffd296abce5fc071f3c173c25a2696cf683c6"
},
{
"last_affected": "e808a7687ecd82ea18d6a83cb1f003a84831c0e2"
}
],
"database_specific": {
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{
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"range": [
{
"introduced": "0"
},
{
"last_affected": "5.5.31"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.0.0"
},
{
"last_affected": "7.0.0"
}
],
"source": "CPE_STRING"
},
{
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"range": [
{
"introduced": "7.0.1"
},
{
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}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:*",
"range": [
{
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},
{
"last_affected": "7.0.2"
}
],
"source": "CPE_STRING"
},
{
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"range": [
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"introduced": "5.6.0-alpha1"
},
{
"last_affected": "5.6.0-alpha1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.0:alpha2:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.0-alpha2"
},
{
"last_affected": "5.6.0-alpha2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.0:alpha3:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.0-alpha3"
},
{
"last_affected": "5.6.0-alpha3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.0:beta1:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.0-beta1"
},
{
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}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.0:beta2:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.0-beta2"
},
{
"last_affected": "5.6.0-beta2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.0:beta3:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.0-beta3"
},
{
"last_affected": "5.6.0-beta3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.0:beta4:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.0-beta4"
},
{
"last_affected": "5.6.0-beta4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.1"
},
{
"last_affected": "5.6.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.2"
},
{
"last_affected": "5.6.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.3"
},
{
"last_affected": "5.6.3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.4"
},
{
"last_affected": "5.6.4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.5"
},
{
"last_affected": "5.6.5"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.6"
},
{
"last_affected": "5.6.6"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.7"
},
{
"last_affected": "5.6.7"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.8"
},
{
"last_affected": "5.6.8"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.9"
},
{
"last_affected": "5.6.9"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.10:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.10"
},
{
"last_affected": "5.6.10"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.11:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.11"
},
{
"last_affected": "5.6.11"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.12:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.12"
},
{
"last_affected": "5.6.12"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.13:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.13"
},
{
"last_affected": "5.6.13"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.14:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.14"
},
{
"last_affected": "5.6.14"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.15:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.15"
},
{
"last_affected": "5.6.15"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.16:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.16"
},
{
"last_affected": "5.6.16"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:php:php:5.6.17:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.6.17"
},
{
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}
],
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}
]
}
}
],
"versions": [
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"5.6.0-alpha2",
"5.6.0-alpha3",
"5.6.0-beta1",
"5.6.0-beta2",
"5.6.0-beta3",
"5.6.0-beta4",
"5.6.1",
"5.6.10",
"5.6.11",
"5.6.12",
"5.6.13",
"5.6.14",
"5.6.15",
"5.6.16",
"5.6.17",
"5.6.2",
"5.6.3",
"5.6.4",
"5.6.5",
"5.6.6",
"5.6.7",
"5.6.8",
"5.6.9",
"7.0.0",
"7.0.1",
"7.0.2",
"php-5.6.17",
"php-5.6.17RC1",
"php-5.5.31"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-2554.json"
}
}
],
"modified": "2026-10-24T10:30:28.449734919Z",
"provider": "osv",
"references": [
"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731",
"https://bugs.php.net/bug.php?id=71488"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:php:php:5.6.0:alpha4:*:*:*:*:*:*",
"cpe:2.3:a:php:php:5.6.0:alpha5:*:*:*:*:*:*"
],
"vendor_product": "php:php",
"extracted_events": [
{
"range": [
{
"introduced": "5.6.0-alpha4"
},
{
"last_affected": "5.6.0-alpha4"
},
{
"introduced": "5.6.0-alpha5"
},
{
"last_affected": "5.6.0-alpha5"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2016-2554",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 432056,
"published_at": "2016-05-16T10:59:26.737+00:00"
}