CVE-2024-56522

HIGH

TCPDF < 6.8.0 - Type Confusion via Loose Hash Comparison

Title source: llm
STIX 2.1

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 (5)

Core 5

Scores

CVSS v3 7.5
EPSS 0.0058
EPSS Percentile 43.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-843
Status published
Products (2)
tcpdf_project/tcpdf < 6.8.0
tecnickcom/tcpdf 0 - 6.8.0Packagist
Published Dec 27, 2024
Tracked Since Feb 18, 2026