CVE-2011-1153

CVE-2011-1153 describes multiple format string vulnerabilities within the phar extension in PHP versions 5.3.5 and earlier. These flaws allow attackers to inject format string specifiers into class method arguments, leading to information disclosure, denial of service through memory corruption, or potentially arbitrary code execution. With a CVSS score of 7.5, this vulnerability is considered highly severe due to its network-based attack vector, low attack complexity, and potential for partial impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.