CVE-2013-4636
Status: ModifiedMedium (4.3)—
Severity4.3Medium · CVSS 2.0
Exploitation probability1.98 %higher than 80% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found
The mget function in libmagic/softmagic.c in the Fileinfo component in PHP 5.4.x before 5.4.16 allows remote attackers to cause a denial of service (invalid pointer dereference and application crash) via an MP3 file that triggers incorrect MIME type detection during access to an finfo object.
CVSS
- Base score
- 4.3
- Version
- 2.0
- Vector
- AV:N/AC:M/Au:N/C:N/I:N/A:P
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days
- 1.98 %
- Percentile among all scored CVEs
- 80
- Score date
- 10/22/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
CWEs
- CWE-20
References
Raw JSON (NVD)
Show
{
"id": "CVE-2013-4636",
"cveTags": [],
"metrics": {
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{
"type": "Primary",
"source": "nvd@nist.gov",
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"version": "2.0",
"baseScore": 4.3,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "MEDIUM",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
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}
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"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
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"version": "n/a"
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],
"published": "2013-06-21T21:55:01.097",
"references": [
{
"url": "http://www.php.net/ChangeLog-5.php",
"source": "cve@mitre.org"
},
{
"url": "https://bugs.php.net/bug.php?id=64830",
"source": "cve@mitre.org"
},
{
"url": "http://www.php.net/ChangeLog-5.php",
"source": "af854a3a-2127-422b-91ae-364da2661108"
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{
"url": "https://bugs.php.net/bug.php?id=64830",
"source": "af854a3a-2127-422b-91ae-364da2661108"
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"vulnStatus": "Modified",
"weaknesses": [
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"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
}
],
"descriptions": [
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"lang": "en",
"value": "The mget function in libmagic/softmagic.c in the Fileinfo component in PHP 5.4.x before 5.4.16 allows remote attackers to cause a denial of service (invalid pointer dereference and application crash) via an MP3 file that triggers incorrect MIME type detection during access to an finfo object."
},
{
"lang": "es",
"value": "La función mget en libmagic/softmagic.c en el componente Fileinfo en PHP v5.4.x anterior a v5.4.16 permite a atacantes remotos causar una denegación de servicio (puntero inválido y caída de la aplicación) mediante un fichero MP3 que genera una detección incorrecta del tipo MIME durante el acceso a un objeto finfo."
}
],
"lastModified": "2026-06-16T23:57:39.257",
"configurations": [
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