CVE-2026-52761 ModSecurity: Transformation utf8toUnicode produces wrong output on i386 architecture

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. From 3.0.0 through 3.0.15, the t:utf8toUnicode transformation in src/actions/transformations/utf8tounicode.cc produces wrong output on i386 architecture because snprintf uses sizeof on a...

PT-2026-38473

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. Libmodsecurity is one component of the ModSecurity v3 project. A segmentation fault occurs when a rule using the t:hexDecode transformation inspects a query string parameter containing a...

CVE-2026-30923 libModSecurity3 denial of service via segfault when using t:hexDecode on single-character query strings

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. Libmodsecurity is one component of the ModSecurity v3 project. A segmentation fault occurs when a rule using the t:hexDecode transformation inspects a query string parameter containing a...

Mozilla Firefox < 3.0.15

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 3.0.15. It is, therefore, affected by a vulnerability as referenced in the mfsa2009-55 advisory. - Mozilla Firefox before 3.0.15 and 3.5.x before 3.5.4, and SeaMonkey before 2.0, allows remote attackers to execute...

WordPress plugin 跨站脚本漏洞

WordPress plugin is a WordPress application plugin. WordPress Ultimate Reviews plugin 3.0.15 and earlier versions contain a cross-site scripting vulnerability that stems from the lack of proper validation of client-side data by the WEB application. An attacker could exploit this vulnerability to...

Firefox crashes with evidence of memory corruption

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 3.0.x before 3.0.15 and 3.5.x before 3.5.4 allow remote attackers to cause a denial of service memory corruption and application crash or possibly execute arbitrary code via unknown vectors...