CVE-2011-4566

Name: CVE-2011-4566
Creator: NVD / NIST
Published: 2011-11-29T00:55:01.75+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 6.67%

Last modified Jun 16, 2026

CVE-2011-4566 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 6.67% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

6.67%

93.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-189

Affected Software

Vendor	Product	Versions	Update
Php	Php	>= 5.3.0, < 5.3.9	—
Php	Php	5.4.0	Beta2
Debian	Debian Linux	5.0	—
Debian	Debian Linux	6.0	—
Debian	Debian Linux	7.0	—
Canonical	Ubuntu Linux	8.04	—
Canonical	Ubuntu Linux	10.04	—
Canonical	Ubuntu Linux	10.10	—
Canonical	Ubuntu Linux	11.04	—
Canonical	Ubuntu Linux	11.10	—

References

http://lists.apple.com/archives/security-announce/2012/May/msg00001.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2012-0071.htmlThird Party Advisory
http://secunia.com/advisories/47253Third Party Advisory
http://secunia.com/advisories/48668Third Party Advisory
http://support.apple.com/kb/HT5281Third Party Advisory
http://www.debian.org/security/2012/dsa-2399Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2011:197Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2012-0019.htmlThird Party Advisory
http://www.securityfocus.com/bid/50907Third Party Advisory, VDB Entry
https://bugs.php.net/bug.php?id=60150Exploit, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/71612Third Party Advisory, VDB Entry
https://www.ubuntu.com/usn/USN-1307-1/Third Party Advisory
http://lists.apple.com/archives/security-announce/2012/May/msg00001.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2012-0071.htmlThird Party Advisory
http://secunia.com/advisories/47253Third Party Advisory
http://secunia.com/advisories/48668Third Party Advisory
http://support.apple.com/kb/HT5281Third Party Advisory
http://www.debian.org/security/2012/dsa-2399Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2011:197Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2012-0019.htmlThird Party Advisory
http://www.securityfocus.com/bid/50907Third Party Advisory, VDB Entry
https://bugs.php.net/bug.php?id=60150Exploit, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/71612Third Party Advisory, VDB Entry
https://www.ubuntu.com/usn/USN-1307-1/Third Party Advisory

Timeline

Published: Nov 29, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-4566?

How severe is CVE-2011-4566?

Severity scoring for CVE-2011-4566 is pending analysis. The EPSS model estimates a 6.67% probability of exploitation in the next 30 days.

How do I fix CVE-2011-4566?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-4566?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST