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CVE-2018-17057: TCPDF vulnerable to attackers triggering deserialization of arbitrary data

critical Affects fooman/tcpdf, la-haute-societe/tcpdf, spoonity/tcpdf, tecnickcom/tcpdf, fossar/tcpdf-parser, wallabag/tcpdf. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

TCPDF vulnerable to attackers triggering deserialization of arbitrary data

Package
fooman/tcpdf Composer
Affected versions
<6.2.22
Fixed in
6.2.22
Severity
critical  CVSS 9.8
Exploitation
not on CISA KEV · EPSS 26% (98.0th percentile)
Published
2022-10-06
Source
osv.dev

References

TCPDF vulnerable to attackers triggering deserialization of arbitrary data

Package
la-haute-societe/tcpdf Composer
Affected versions
<6.2.22
Fixed in
6.2.22
Severity
critical  CVSS 9.8
Exploitation
not on CISA KEV · EPSS 26% (98.0th percentile)
Published
2022-10-06
Source
osv.dev

References

TCPDF vulnerable to attackers triggering deserialization of arbitrary data

Package
spoonity/tcpdf Composer
Affected versions
<6.2.22
Fixed in
6.2.22
Severity
critical  CVSS 9.8
Exploitation
not on CISA KEV · EPSS 26% (98.0th percentile)
Published
2022-10-06
Source
osv.dev

References

TCPDF vulnerable to attackers triggering deserialization of arbitrary data

Package
tecnickcom/tcpdf Composer
Affected versions
<6.2.22
Fixed in
6.2.22
Severity
critical  CVSS 9.8
Exploitation
not on CISA KEV · EPSS 26% (98.0th percentile)
Published
2022-10-06
Source
osv.dev

References

Attackers can trigger deserialization of arbitrary data via the phar:// wrapper.

Package
fossar/tcpdf-parser Composer
Affected versions
<6.2.22
Fixed in
6.2.22
Severity
unknown
Exploitation
not on CISA KEV · EPSS 26% (98.0th percentile)
Source
friendsofphp

References

Attackers can trigger deserialization of arbitrary data via the phar:// wrapper.

Package
wallabag/tcpdf Composer
Affected versions
<6.2.22
Fixed in
6.2.22
Severity
unknown
Exploitation
not on CISA KEV · EPSS 26% (98.0th percentile)
Source
friendsofphp

References

CWE-502
NVD recordfooman/tcpdf advisoriesla-haute-societe/tcpdf advisoriesspoonity/tcpdf advisoriestecnickcom/tcpdf advisoriesfossar/tcpdf-parser advisorieswallabag/tcpdf advisories

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