tecnickcom/TCPDF

An issue was discovered in TCPDF before 6.8.0. The Error function lacks an htmlspecialchars call for the error message.

An issue was discovered in TCPDF before 6.8.0. unserializeTCPDFtag uses != (aka loose comparison) and does not use a constant-time function to compare TCPDF tag hashes.

An issue was discovered in TCPDF before 6.8.0. setSVGStyles does not sanitize the SVG font-family attribute.

An issue was discovered in tc-lib-pdf-font before 2.6.4, as used in TCPDF before 6.8.0 and other products. Fonts are mishandled, e.g., FontBBox for Type 1 and TrueType fonts is misparsed.

An issue was discovered in TCPDF before 6.8.0. If libcurl is used, CURLOPT_SSL_VERIFYHOST and CURLOPT_SSL_VERIFYPEER are set unsafely.

Local File Inclusion (LFI) vulnerability has been discovered in TCPDF 6.7.5. This vulnerability enables a user to read arbitrary files from the server's file system through <img> src tag, potentially exposing sensitive information.

TCPDF version 6.6.5 and before is vulnerable to ReDoS (Regular Expression Denial of Service) if parsing an untrusted SVG file.

TCPDF version <=6.6.5 is vulnerable to ReDoS (Regular Expression Denial of Service) if parsing an untrusted HTML page with a crafted color.

TCPDF before 6.7.4 mishandles calls that use HTML syntax.

An issue was discovered in TCPDF before 6.2.22. Attackers can trigger deserialization of arbitrary data via the phar:// wrapper.

tcpdf before 6.2.0 uploads files from the server generating PDF-files to an external FTP.