CVE-2016-5766

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Source
https://nvd.nist.gov/vuln/detail/CVE-2016-5766
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2016-5766.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2016-5766
Downstream
Related
Published
2016-08-07T10:59:13Z
Modified
2025-10-18T08:43:56.736129Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

Integer overflow in the gd2GetHeader function in gdgd2.c in the GD Graphics Library (aka libgd) before 2.2.3, as used in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via crafted chunk dimensions in an image.

References

Affected packages

Git / github.com/libgd/libgd

Affected ranges

Type
GIT
Repo
https://github.com/libgd/libgd
Events
Introduced
0 Unknown introduced commit / All previous commits are affected

Git / github.com/libgd/libgd

Affected ranges

Type
GIT
Repo
https://github.com/php/php-src
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
7722455726bec8c53458a32851d2a87982cf0eac

Affected versions

Other

NEWS
NEWS-cvs2svn

php-5.*

php-5.3.23RC1
php-5.3.29
php-5.3.29RC1
php-5.4.30RC1
php-5.4.32RC1
php-5.4.4RC2
php-5.5.24RC1

Database specific

vanir_signatures

[
    {
        "source": "https://github.com/php/php-src/commit/7722455726bec8c53458a32851d2a87982cf0eac",
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "183820387990733455444215637150999073887",
                "18021834238201414578949441055038262345",
                "334593034626459571743002698430345110480",
                "26461974233900450150030247144867305325",
                "311283463863000022992454365625253102445",
                "161485522429828841158027215741124660130",
                "296161358142553532313520047422480048852",
                "222587787824174595950097709248827618808",
                "264774293065332262917206835414693640688"
            ],
            "threshold": 0.9
        },
        "target": {
            "file": "ext/gd/libgd/gd_gd2.c"
        },
        "id": "CVE-2016-5766-3e6237a7",
        "signature_type": "Line",
        "signature_version": "v1"
    },
    {
        "source": "https://github.com/php/php-src/commit/7722455726bec8c53458a32851d2a87982cf0eac",
        "deprecated": false,
        "digest": {
            "function_hash": "339190344963408527699679556574785110748",
            "length": 2569.0
        },
        "target": {
            "file": "ext/gd/libgd/gd_gd2.c",
            "function": "_gd2GetHeader"
        },
        "id": "CVE-2016-5766-a4bb7314",
        "signature_type": "Function",
        "signature_version": "v1"
    }
]