Description
When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0 it is possible to supply it with data what will cause it to read past the allocated buffer. This may lead to information disclosure or crash.
Remediation
References
Related Vulnerabilities
PHP Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2010-2097)
Claroline Other Vulnerability (CVE-2006-3257)
Apache Tomcat CVE-2018-1304 Vulnerability (CVE-2018-1304)
MySQL CVE-2021-2230 Vulnerability (CVE-2021-2230)
Claroline Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2011-3716)