{"api_version":"1","generated_at":"2026-07-23T04:25:34+00:00","cve":"CVE-2011-4566","urls":{"html":"https://cve.report/CVE-2011-4566","api":"https://cve.report/api/cve/CVE-2011-4566.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2011-4566","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-4566"},"summary":{"title":"CVE-2011-4566","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.","state":"PUBLISHED","assigner":"mitre","published_at":"2011-11-29 00:55:01","updated_at":"2026-04-29 01:13:23"},"problem_types":["CWE-189","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"6.4","severity":"","vector":"AV:N/AC:L/Au:N/C:P/I:N/A:P","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:P","baseScore":6.4,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"PARTIAL"}}],"references":[{"url":"http://www.securityfocus.com/bid/50907","name":"http://www.securityfocus.com/bid/50907","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"title":"PHP 'exif_process_IFD_TAG()' Remote Integer Overflow Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.ubuntu.com/usn/USN-1307-1/","name":"https://www.ubuntu.com/usn/USN-1307-1/","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"title":"USN-1307-1: PHP vulnerability | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://secunia.com/advisories/47253","name":"http://secunia.com/advisories/47253","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"title":"Security Alerts - Secunia","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.debian.org/security/2012/dsa-2399","name":"http://www.debian.org/security/2012/dsa-2399","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"title":"Debian -- Security Information -- DSA-2399-2 php5","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://secunia.com/advisories/48668","name":"http://secunia.com/advisories/48668","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"title":"Security Alerts - Secunia","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://support.apple.com/kb/HT5281","name":"http://support.apple.com/kb/HT5281","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"title":"About the security content of OS X Lion v10.7.4 and Security Update 2012-002","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/71612","name":"https://exchange.xforce.ibmcloud.com/vulnerabilities/71612","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"title":"IBM X-Force Exchange","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://rhn.redhat.com/errata/RHSA-2012-0071.html","name":"http://rhn.redhat.com/errata/RHSA-2012-0071.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"title":"Red Hat Customer Portal","mime":"text/html","httpstatus":"-1","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html","name":"http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"title":"[security-announce] openSUSE-SU-2012:0426-1: important: update for php5","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.apple.com/archives/security-announce/2012/May/msg00001.html","name":"http://lists.apple.com/archives/security-announce/2012/May/msg00001.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"title":"APPLE-SA-2012-05-09-1 OS X Lion v10.7.4 and Security Update 2012-002","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugs.php.net/bug.php?id=60150","name":"https://bugs.php.net/bug.php?id=60150","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Vendor Advisory"],"title":"PHP :: Sec Bug #60150 :: Integer overflow during the parsing of invalid exif header","mime":"text/xml","httpstatus":"200","archivestatus":"200"},{"url":"http://www.redhat.com/support/errata/RHSA-2012-0019.html","name":"http://www.redhat.com/support/errata/RHSA-2012-0019.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"title":"access.redhat.com","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:197","name":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:197","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"title":"Support / Security / Advisories /  / MDVSA-2011:197 | Mandriva","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-4566","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4566","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2011","cve_id":"4566","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"10.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"-","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"4566","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"10.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"4566","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"11.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"4566","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"11.10","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"4566","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"8.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"-","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"4566","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"5.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"4566","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"6.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"4566","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"7.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"4566","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"php","cpe5":"php","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2011","cve_id":"4566","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"php","cpe5":"php","cpe6":"5.4.0","cpe7":"beta2","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-07T00:09:18.945Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"47253","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"],"url":"http://secunia.com/advisories/47253"},{"name":"50907","tags":["vdb-entry","x_refsource_BID","x_transferred"],"url":"http://www.securityfocus.com/bid/50907"},{"name":"DSA-2399","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"],"url":"http://www.debian.org/security/2012/dsa-2399"},{"name":"MDVSA-2011:197","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred"],"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:197"},{"name":"openSUSE-SU-2012:0426","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"],"url":"http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html"},{"name":"php-exifprocessifdtag-dos(71612)","tags":["vdb-entry","x_refsource_XF","x_transferred"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/71612"},{"name":"48668","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"],"url":"http://secunia.com/advisories/48668"},{"name":"RHSA-2012:0019","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"],"url":"http://www.redhat.com/support/errata/RHSA-2012-0019.html"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://bugs.php.net/bug.php?id=60150"},{"name":"RHSA-2012:0071","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"],"url":"http://rhn.redhat.com/errata/RHSA-2012-0071.html"},{"name":"USN-1307-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"],"url":"https://www.ubuntu.com/usn/USN-1307-1/"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"http://support.apple.com/kb/HT5281"},{"name":"APPLE-SA-2012-05-09-1","tags":["vendor-advisory","x_refsource_APPLE","x_transferred"],"url":"http://lists.apple.com/archives/security-announce/2012/May/msg00001.html"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2011-11-19T00:00:00.000Z","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2017-08-28T12:57:01.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"name":"47253","tags":["third-party-advisory","x_refsource_SECUNIA"],"url":"http://secunia.com/advisories/47253"},{"name":"50907","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/50907"},{"name":"DSA-2399","tags":["vendor-advisory","x_refsource_DEBIAN"],"url":"http://www.debian.org/security/2012/dsa-2399"},{"name":"MDVSA-2011:197","tags":["vendor-advisory","x_refsource_MANDRIVA"],"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:197"},{"name":"openSUSE-SU-2012:0426","tags":["vendor-advisory","x_refsource_SUSE"],"url":"http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html"},{"name":"php-exifprocessifdtag-dos(71612)","tags":["vdb-entry","x_refsource_XF"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/71612"},{"name":"48668","tags":["third-party-advisory","x_refsource_SECUNIA"],"url":"http://secunia.com/advisories/48668"},{"name":"RHSA-2012:0019","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"http://www.redhat.com/support/errata/RHSA-2012-0019.html"},{"tags":["x_refsource_CONFIRM"],"url":"https://bugs.php.net/bug.php?id=60150"},{"name":"RHSA-2012:0071","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"http://rhn.redhat.com/errata/RHSA-2012-0071.html"},{"name":"USN-1307-1","tags":["vendor-advisory","x_refsource_UBUNTU"],"url":"https://www.ubuntu.com/usn/USN-1307-1/"},{"tags":["x_refsource_CONFIRM"],"url":"http://support.apple.com/kb/HT5281"},{"name":"APPLE-SA-2012-05-09-1","tags":["vendor-advisory","x_refsource_APPLE"],"url":"http://lists.apple.com/archives/security-announce/2012/May/msg00001.html"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2011-4566","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"47253","refsource":"SECUNIA","url":"http://secunia.com/advisories/47253"},{"name":"50907","refsource":"BID","url":"http://www.securityfocus.com/bid/50907"},{"name":"DSA-2399","refsource":"DEBIAN","url":"http://www.debian.org/security/2012/dsa-2399"},{"name":"MDVSA-2011:197","refsource":"MANDRIVA","url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:197"},{"name":"openSUSE-SU-2012:0426","refsource":"SUSE","url":"http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00016.html"},{"name":"php-exifprocessifdtag-dos(71612)","refsource":"XF","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/71612"},{"name":"48668","refsource":"SECUNIA","url":"http://secunia.com/advisories/48668"},{"name":"RHSA-2012:0019","refsource":"REDHAT","url":"http://www.redhat.com/support/errata/RHSA-2012-0019.html"},{"name":"https://bugs.php.net/bug.php?id=60150","refsource":"CONFIRM","url":"https://bugs.php.net/bug.php?id=60150"},{"name":"RHSA-2012:0071","refsource":"REDHAT","url":"http://rhn.redhat.com/errata/RHSA-2012-0071.html"},{"name":"USN-1307-1","refsource":"UBUNTU","url":"https://www.ubuntu.com/usn/USN-1307-1/"},{"name":"http://support.apple.com/kb/HT5281","refsource":"CONFIRM","url":"http://support.apple.com/kb/HT5281"},{"name":"APPLE-SA-2012-05-09-1","refsource":"APPLE","url":"http://lists.apple.com/archives/security-announce/2012/May/msg00001.html"}]}}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2011-4566","datePublished":"2011-11-29T00:00:00.000Z","dateReserved":"2011-11-28T00:00:00.000Z","dateUpdated":"2024-08-07T00:09:18.945Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2011-11-29 00:55:01","lastModifiedDate":"2026-04-29 01:13:23","problem_types":["CWE-189","n/a"],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:P","baseScore":6.4,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10,"impactScore":4.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:php:php:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3.0","versionEndExcluding":"5.3.9","matchCriteriaId":"0A1A4086-38FA-444A-B19B-DA0F56E5D04F"},{"vulnerable":true,"criteria":"cpe:2.3:a:php:php:5.4.0:beta2:*:*:*:*:*:*","matchCriteriaId":"2F332C82-FD1F-44BC-9FEB-69A463CF5B5B"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*","matchCriteriaId":"8C757774-08E7-40AA-B532-6F705C8F7639"},{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*","matchCriteriaId":"036E8A89-7A16-411F-9D31-676313BB7244"},{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*","matchCriteriaId":"16F59A04-14CF-49E2-9973-645477EA09DA"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:*","matchCriteriaId":"7EBFE35C-E243-43D1-883D-4398D71763CC"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*","matchCriteriaId":"01EDA41C-6B2E-49AF-B503-EB3882265C11"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*","matchCriteriaId":"87614B58-24AB-49FB-9C84-E8DDBA16353B"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*","matchCriteriaId":"EF49D26F-142E-468B-87C1-BABEA445255C"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*","matchCriteriaId":"E4174F4F-149E-41A6-BBCC-D01114C05F38"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2011","CveId":"4566","Ordinal":"1","Title":"CVE-2011-4566","CVE":"CVE-2011-4566","Year":"2011"},"notes":[{"CveYear":"2011","CveId":"4566","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"CVE-2011-4566"},{"CveYear":"2011","CveId":"4566","Ordinal":"2","NoteData":"2011-11-28","Type":"Other","Title":"Published"},{"CveYear":"2011","CveId":"4566","Ordinal":"3","NoteData":"2017-08-28","Type":"Other","Title":"Modified"}]}}}