CVE-2011-4566: n/a vulnerability

CVE-2011-4566: Integer overflow in the exif_process_IFD_TAG function in exif.c in the exif extension in PHP 5.4.0beta2 on...

Integer overflow in the exif_process_IFD_TAG function in exif.c in the exif extension in PHP 5.4.0beta2 on 32-bit platforms allows remote attackers to read the contents of arbitrary memory locations or cause a denial of service via a crafted offset_val value in an EXIF header in a JPEG file, a different vulnerability than CVE-2011-0708.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 00:09 UTC (UTC+00:00)

Security readout for executives and security teams

This is a legacy PHP EXIF parsing flaw in PHP 5.4.0beta2 on 32-bit platforms. A crafted JPEG containing malicious EXIF metadata could make vulnerable PHP read unintended memory or crash, affecting services that process uploaded or remote JPEG files. Exposure is most likely in obsolete 32-bit PHP environments using the EXIF extension to parse untrusted JPEG metadata. The source bundle does not identify broader affected version ranges beyond PHP 5.4.0beta2. Treat this as a legacy-platform cleanup issue unless obsolete PHP is still in service. Prioritize internet-facing upload or media-processing applications because the trigger is a crafted image file. Mitigation focus: Check referenced vendor advisories for corrected PHP packages.; Remove PHP 5.4.0beta2 from any production service.; Prioritize systems parsing user-supplied JPEG EXIF metadata..

Prepared: Jun 27, 2026, 17:48 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Nov 29, 2011, 00:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
php-exifprocessifdtag-dos(71612)CVE reference · vdb-entry, x_refsource_XF
https://bugs.php.net/bug.php?id=60150CVE reference · x_refsource_CONFIRM
USN-1307-1CVE reference · vendor-advisory, x_refsource_UBUNTU

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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