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GHSA-w95c-7994-ghprhigh7.5

TCPDF has incorrect comparison

Impact

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.

Source excerpt · OSV

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

tecnickcom/tcpdf Packagist
Affected rangeRecorded fix
Earlier releases before 6.8.0Ecosystem versions6.8.0

Version evidence: OSV · GHSA-w95c-7994-ghpr

View original version evidence (131 explicit versions)

Original source description

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.

References