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CVE-2013-4636

14
FAUCET Score

CVE-2013-4636 describes a denial-of-service vulnerability in the mget function of libmagic/softmagic.c within PHP 5.4.x versions prior to 5.4.16. This flaw allows remote attackers to crash an application by providing a specially crafted MP3 file that causes an invalid pointer dereference during MIME type detection when accessing a finfo object. The vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and potential for partial availability impact, but no impact on confidentiality or integrity. There is no evidence of active exploitation, no known exploit code publicly available (Metasploit, Nuclei, ExploitDB), and it has received negligible community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
5.4.0CPE matchmatch criteria
cpe:2.3:a:php:php:5.4.0:*:*:*:*:*:*:*
5.4.1CPE matchmatch criteria
cpe:2.3:a:php:php:5.4.1:*:*:*:*:*:*:*
5.4.2CPE matchmatch criteria
cpe:2.3:a:php:php:5.4.2:*:*:*:*:*:*:*
5.4.3CPE matchmatch criteria
cpe:2.3:a:php:php:5.4.3:*:*:*:*:*:*:*
5.4.4CPE matchmatch criteria
cpe:2.3:a:php:php:5.4.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.98%
Probability of exploitation in next 30 days
EPSS Percentile
78.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0198 is in the 63rd percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2013-4636Moderate

php: fileinfo: Invalid pointer dereference when checking mimetype of certain MP3 files

May 13, 2013

References

bugs.php.net / bug.php
php.net / ChangeLog-5.php