How severe is CVE-2013-4636?

CVE-2013-4636 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-4636 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4636?

CVE-2013-4636 primarily affects Php. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4636?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-4636 published?

CVE-2013-4636 was published on 2013-06-21 and last updated on 2026-06-16.

CVE-2013-4636

CVE-2013-4636 is a medium-severity vulnerability in Php with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Php
Published: 2013-06-21
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2013-4636?: 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.
How severe is CVE-2013-4636?: CVE-2013-4636 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-4636 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4636?: CVE-2013-4636 primarily affects Php. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4636?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4636 published?: CVE-2013-4636 was published on 2013-06-21 and last updated on 2026-06-16.

References

Affected products (16)

cpe:2.3:a:php:php:5.4.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.4.1:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.4.2:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.4.3:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.4.4:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.4.5:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.4.6:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.4.7:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.4.8:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.4.9:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.4.10:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.4.11:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.4.12:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.4.13:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.4.14:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.4.15:*:*:*:*:*:*:*

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