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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 32-bit platforms allows remote…

Medium6.4EPSS 6.6%
Published
Updated
Reserved
Assigned by
mitre

Description

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.

Scores

CVSS scores of CVE-2011-4566, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Medium6.4AV:N/AC:L/Au:N/C:P/I:N/A:P
EPSS (exploitation in 30 days)
6.6% · top 6.2% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.4.

Weakness

Affected products

  • n/a

    • affected n/a

References (13)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .