CVE-2024-56522

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.
Type Confusion
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
mitreCNA
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CISA-ADPADP
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 22%
VendorProductVersion
tcpdf_projecttcpdf
𝑥
< 6.8.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
tcpdf
bullseye
vulnerable
bookworm
vulnerable
trixie
6.9.1+dfsg-1
fixed
sid
6.9.1+dfsg-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
tcpdf
plucky
not-affected
oracular
needs-triage
noble
needs-triage
jammy
needs-triage
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
needs-triage