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CVE-2025-54869

FPDI is Vulnerable to Memory Exhaustion (OOM) through its PDF Parser

6.0 MediumFix available

FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. In versions 2.6.2 and below, any application that uses FPDI to process user-supplied PDF files is at risk, causing a Denial of Service (DoS) vulnerability. An attacker can upload a small, malicious PDF file that will cause the server-side script to crash due to memory exhaustion. Repeated attacks can lead to sustained service unavailability. This issue is fixed in version 2.6.3.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.33%Up 0.3 points since Aug 6, 2025
90%50%10%1%

What each source reports

CVE List Score used 6.0

FPDI is Vulnerable to Memory Exhaustion (OOM) through its PDF Parser

FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. In versions 2.6.2 and below, any application that uses FPDI to process user-supplied PDF files is at risk, causing a Denial of Service (DoS) vulnerability. An attacker can upload a small, malicious PDF file that will cause the server-side script to crash due to memory exhaustion. Repeated attacks can lead to sustained service unavailability. This issue is fixed in version 2.6.3.

Record
CVE-2025-54869
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness
CWE-770
Updated
2026-11-02
EUVDEUVD-2025-23667 6.0

FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. In versions 2.6.2 and below, any application that uses FPDI to process user-supplied PDF files is at risk, causing a Denial of Service (DoS) vulnerability. An attacker can upload a small, malicious PDF file that will cause the server-side script to crash due to memory exhaustion. Repeated attacks can lead to sustained service unavailability. This issue is fixed in version 2.6.3.

Record
EUVD-2025-23667
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-jxhh-4648-vpp3 6.0

FPDI allows Memory Exhaustion (OOM) in PDF Parser which leads to Denial of Service

Impact

This is a significant Denial of Service (DoS) vulnerability. Any application that uses FPDI to process user-supplied PDF files is at risk. An attacker can upload a small, malicious PDF file that will cause the server-side script to crash due to memory exhaustion. Repeated attacks can lead to sustained service unavailability.

Patches

Fixed as of version 2.6.4

Workarounds

No.

Record
GHSA-jxhh-4648-vpp3
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness
CWE-770
Updated
2026-11-02
NVD 6.0

FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. In versions 2.6.2 and below, any application that uses FPDI to process user-supplied PDF files is at risk, causing a Denial of Service (DoS) vulnerability. An attacker can upload a small, malicious PDF file that will cause the server-side script to crash due to memory exhaustion. Repeated attacks can lead to sustained service unavailability. This issue is fixed in version 2.6.3.

Record
CVE-2025-54869
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness
CWE-770
Updated
2026-11-02
OSV 6.0

FPDI is Vulnerable to Memory Exhaustion (OOM) through its PDF Parser

FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. In versions 2.6.2 and below, any application that uses FPDI to process user-supplied PDF files is at risk, causing a Denial of Service (DoS) vulnerability. An attacker can upload a small, malicious PDF file that will cause the server-side script to crash due to memory exhaustion. Repeated attacks can lead to sustained service unavailability. This issue is fixed in version 2.6.3.

Record
CVE-2025-54869
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness
CWE-770
Updated
2026-11-02
OSVDEBIAN-CVE-2025-54869 6.0

FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. In versions 2.6.2 and below, any application that uses FPDI to process user-supplied PDF files is at risk, causing a Denial of Service (DoS) vulnerability. An attacker can upload a small, malicious PDF file that will cause the server-side script to crash due to memory exhaustion. Repeated attacks can lead to sustained service unavailability. This issue is fixed in version 2.6.3.

Record
DEBIAN-CVE-2025-54869
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Updated
2026-11-02
OSVGHSA-jxhh-4648-vpp3 6.0

FPDI allows Memory Exhaustion (OOM) in PDF Parser which leads to Denial of Service

Impact

This is a significant Denial of Service (DoS) vulnerability. Any application that uses FPDI to process user-supplied PDF files is at risk. An attacker can upload a small, malicious PDF file that will cause the server-side script to crash due to memory exhaustion. Repeated attacks can lead to sustained service unavailability.

Patches

Fixed as of version 2.6.4

Workarounds

No.

Record
GHSA-jxhh-4648-vpp3
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness
CWE-770
Updated
2026-11-02
OSVUBUNTU-CVE-2025-54869 6.0

FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. In versions 2.6.2 and below, any application that uses FPDI to process user-supplied PDF files is at risk, causing a Denial of Service (DoS) vulnerability. An attacker can upload a small, malicious PDF file that will cause the server-side script to crash due to memory exhaustion. Repeated attacks can lead to sustained service unavailability. This issue is fixed in version 2.6.3.

Record
UBUNTU-CVE-2025-54869
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
setasign/fpdi
Packagist
 before 2.6.4
2.6.4
icingaweb2-module-pdfexport
Debian:12
 All versions, plus listed versions
0.10.2+dfsg1-20.10.2+dfsg1-30.10.2+dfsg1-40.11.0+dfsg-10.11.0+dfsg-2
Show 4 moreShow less
0.11.0+dfsg-30.12.0+dfsg-10.12.0+dfsg-20.13.0+dfsg-1
 None known
icingaweb2-module-pdfexport
Debian:13
 All versions, plus listed versions
0.11.0+dfsg-30.12.0+dfsg-10.12.0+dfsg-20.13.0+dfsg-1
 None known
icingaweb2-module-pdfexport
Debian:14
 All versions, plus listed versions
0.11.0+dfsg-30.12.0+dfsg-10.12.0+dfsg-20.13.0+dfsg-1
 None known
setasign/fpdi
Packagist
 before 2.6.4, plus listed versions
1.5.21.5.31.5.41.6.01.6.1
Show 26 moreShow less
1.6.2v2.0.0v2.0.0-betav2.0.0-beta2v2.0.0-rc1v2.0.1v2.0.2v2.0.3v2.1.0v2.1.1v2.2.0v2.3.0v2.3.1v2.3.2v2.3.3v2.3.4v2.3.5v2.3.6v2.3.7v2.4.0v2.4.1v2.5.0v2.6.0v2.6.1v2.6.2v2.6.3
2.6.4
icingaweb2-module-pdfexport
Ubuntu:22.04:LTS
 All versions, plus listed versions
0.9.1-10.9.1-2
 None known
icingaweb2-module-pdfexport
Ubuntu:24.04:LTS
 All versions, plus listed versions
0.10.2+dfsg1-20.10.2+dfsg1-3
 None known
icingaweb2-module-pdfexport
Ubuntu:25.10
 All versions, plus listed versions
0.11.0+dfsg-20.11.0+dfsg-3
 None known
icingaweb2-module-pdfexport
Ubuntu:26.10
 All versions, plus listed versions
0.12.0+dfsg-20.13.0+dfsg-1
 None known
icingaweb2-module-pdfexport
Ubuntu:26.04:LTS
 All versions, plus listed versions
0.11.0+dfsg-30.12.0+dfsg-10.12.0+dfsg-2
 None known

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-54869 is a medium vulnerability (CVSS 6.0) in Setasign Fpdi, published August 5, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 25th percentile. Fixed in setasign/fpdi 2.6.4.

References

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