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.
Scores
CVSS v3
7.5
EPSS
0.0011
EPSS Percentile
29.6%
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