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CVE-2025-11896

Stack overflow in Xpdf 4.05 due to object loop in PDF CMap

2.1 LowFix available

In Xpdf 4.05 (and earlier), a PDF object loop in a CMap, via the "UseCMap" entry, leads to infinite recursion and a stack overflow.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
High
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
Low

Exploit likelihood

0.17%Up 0.2 points since Oct 17, 2025
90%50%10%1%

What each source reports

CVE List Score used 2.1

Stack overflow in Xpdf 4.05 due to object loop in PDF CMap

In Xpdf 4.05 (and earlier), a PDF object loop in a CMap, via the "UseCMap" entry, leads to infinite recursion and a stack overflow.

Record
CVE-2025-11896
CVSS 4.0
2.1 LowCVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Weakness
CWE-674
Updated
2026-11-02
EUVDEUVD-2025-34838 2.1

In Xpdf 4.05 (and earlier), a PDF object loop in a CMap, via the "UseCMap" entry, leads to infinite recursion and a stack overflow.

Record
EUVD-2025-34838
CVSS 4.0
2.1 LowCVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-j566-7876-3m7f 2.1

In Xpdf 4.05 (and earlier), a PDF object loop in a CMap, via the "UseCMap" entry, leads to...

In Xpdf 4.05 (and earlier), a PDF object loop in a CMap, via the "UseCMap" entry, leads to infinite recursion and a stack overflow.

Record
GHSA-j566-7876-3m7f
CVSS 4.0
2.1 LowCVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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-674
Updated
2026-11-02
NVD 2.1

In Xpdf 4.05 (and earlier), a PDF object loop in a CMap, via the "UseCMap" entry, leads to infinite recursion and a stack overflow.

Record
CVE-2025-11896
CVSS 4.0
2.1 LowCVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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-674
Updated
2026-11-02
OSVUBUNTU-CVE-2025-11896 2.1

In Xpdf 4.05 (and earlier), a PDF object loop in a CMap, via the "UseCMap" entry, leads to infinite recursion and a stack overflow.

Record
UBUNTU-CVE-2025-11896
CVSS 4.0
2.1 LowCVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Updated
2026-11-02
OSVopenSUSE-SU-2025:15812-1 No score

libpoppler-cpp2-25.09.1-4.1 on GA media

These are all security issues fixed in the libpoppler-cpp2-25.09.1-4.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2025:15812-1
Updated
2026-11-02
Show 7 moreShow less
OSVopenSUSE-SU-2026:20397-1 No score

Security update for poppler

This update for poppler fixes the following issues:

  • CVE-2025-11896: infinite recursion leading to stack overflow due to object loop in PDF CMap (bsc#1252337).
Record
openSUSE-SU-2026:20397-1
Updated
2026-11-02
OSVSUSE-SU-2025:4412-1 No score

Security update for poppler

This update for poppler fixes the following issues:

  • CVE-2025-11896: Fixed infinite recursion leading to stack overflow due to object loop in PDF CMap (bsc#1252337)
Record
SUSE-SU-2025:4412-1
Updated
2026-11-02
OSVSUSE-SU-2025:4434-1 No score

Security update for poppler

This update for poppler fixes the following issues:

  • CVE-2025-11896: Fixed infinite recursion leading to stack overflow due to object loop in PDF CMap (bsc#1252337)
Record
SUSE-SU-2025:4434-1
Updated
2026-11-02
OSVSUSE-SU-2025:4439-1 No score

Security update for poppler

This update for poppler fixes the following issues:

  • CVE-2025-11896: Fixed infinite recursion leading to stack overflow due to object loop in PDF CMap (bsc#1252337)
Record
SUSE-SU-2025:4439-1
Updated
2026-11-02
OSVSUSE-SU-2026:0081-1 No score

Security update for poppler

This update for poppler fixes the following issues:

  • CVE-2025-11896: Fixed infinite recursion leading to stack overflow due to object loop in PDF CMap (bsc#1252337)
Record
SUSE-SU-2026:0081-1
Updated
2026-11-02
OSVSUSE-SU-2026:0126-1 No score

Security update for poppler

This update for poppler fixes the following issues:

  • CVE-2025-11896: Fixed infinite recursion leading to stack overflow due to object loop in PDF CMap (bsc#1252337)
Record
SUSE-SU-2026:0126-1
Updated
2026-11-02
OSVSUSE-SU-2026:20911-1 No score

Security update for poppler

This update for poppler fixes the following issues:

  • CVE-2025-11896: infinite recursion leading to stack overflow due to object loop in PDF CMap (bsc#1252337).
Record
SUSE-SU-2026:20911-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
poppler
SUSE:Linux Enterprise Module for Basesystem 15 SP6
 before 24.03.0-150600.3.27.1
24.03.0-150600.3.27.1
poppler
SUSE:Linux Enterprise Module for Basesystem 15 SP7
 before 24.03.0-150600.3.27.1
24.03.0-150600.3.27.1
poppler
SUSE:Linux Enterprise Module for Package Hub 15 SP6
 before 24.03.0-150600.3.27.1
24.03.0-150600.3.27.1
poppler-qt5
SUSE:Linux Enterprise Module for Package Hub 15 SP6
 before 24.03.0-150600.3.27.1
24.03.0-150600.3.27.1
poppler-qt6
SUSE:Linux Enterprise Module for Package Hub 15 SP6
 before 24.03.0-150600.3.27.1
24.03.0-150600.3.27.1
poppler
SUSE:Linux Enterprise Module for Package Hub 15 SP7
 before 24.03.0-150600.3.27.1
24.03.0-150600.3.27.1
poppler-qt5
SUSE:Linux Enterprise Module for Package Hub 15 SP7
 before 24.03.0-150600.3.27.1
24.03.0-150600.3.27.1
poppler-qt6
SUSE:Linux Enterprise Module for Package Hub 15 SP7
 before 24.03.0-150600.3.27.1
24.03.0-150600.3.27.1
poppler
openSUSE:Leap 15.6
 before 24.03.0-150600.3.27.1
24.03.0-150600.3.27.1
poppler-qt5
openSUSE:Leap 15.6
 before 24.03.0-150600.3.27.1
24.03.0-150600.3.27.1
Show 27 moreShow less
Affected packages
PackageAffectedFixed
poppler-qt6
openSUSE:Leap 15.6
 before 24.03.0-150600.3.27.1
24.03.0-150600.3.27.1
poppler
SUSE:Linux Enterprise Module for Basesystem 15 SP7
 before 0.79.0-150200.3.49.1
0.79.0-150200.3.49.1
poppler
SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5
 before 0.43.0-16.70.1
0.43.0-16.70.1
poppler-qt
SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5
 before 0.43.0-16.70.1
0.43.0-16.70.1
poppler
SUSE:Linux Enterprise Server 16.0
 before 25.04.0-160000.4.1
25.04.0-160000.4.1
poppler-qt6
SUSE:Linux Enterprise Server 16.0
 before 25.04.0-160000.4.1
25.04.0-160000.4.1
poppler
SUSE:Linux Enterprise Server for SAP applications 16.0
 before 25.04.0-160000.4.1
25.04.0-160000.4.1
poppler-qt6
SUSE:Linux Enterprise Server for SAP applications 16.0
 before 25.04.0-160000.4.1
25.04.0-160000.4.1
ipe
Ubuntu:16.04:LTS
 All versions, plus listed versions
7.1.4-2.17.1.8-17.1.10-17.1.10-1.1
 None known
xpdf
Ubuntu:16.04:LTS
 All versions, plus listed versions
3.03-17ubuntu23.03-17ubuntu33.03-17ubuntu53.03-183.04-13.04-1build13.04-1ubuntu13.04-1ubuntu1.1
 None known
ipe
Ubuntu:18.04:LTS
 All versions, plus listed versions
7.2.7-27.2.7-3
 None known
xpdf
Ubuntu:18.04:LTS
 All versions, plus listed versions
3.04-4build13.04-53.04-5ubuntu23.04-6ubuntu13.04-7
 None known
ipe
Ubuntu:20.04:LTS
 All versions, plus listed versions
7.2.9-17.2.13-27.2.13-2build1
 None known
ipe
Ubuntu:22.04:LTS
 All versions, plus listed versions
7.2.23+dfsg1-27.2.24+dfsg1-17.2.24+dfsg1-1build1
 None known
xpdf
Ubuntu:22.04:LTS
 All versions, plus listed versions
3.04+git20210103-3build13.04+git20211021-13.04+git20211021-1ubuntu13.04+git20220201-1
 None known
ipe
Ubuntu:24.04:LTS
 All versions, plus listed versions
7.2.27+dfsg1-27.2.28-27.2.28-2.1build27.2.28-2.1build37.2.28-2.1build4
 None known
xpdf
Ubuntu:24.04:LTS
 All versions, plus listed versions
3.04+git20220601-1ubuntu13.04+git20220601-1ubuntu23.04+git20231213-13.04+git20240118-13.04+git20240124-1
Show 4 moreShow less
3.04+git20240202-13.04+git20240202-1build13.04+git20240202-1build23.04+git20240202-1build3
 None known
ipe
Ubuntu:25.10
 All versions, plus listed versions
7.2.30-1build1
 None known
xpdf
Ubuntu:25.10
 All versions, plus listed versions
3.04+git20250304-1
 None known
ipe
Ubuntu:26.10
 All versions, plus listed versions
7.2.30-1build27.2.30-2
 None known
xpdf
Ubuntu:26.10
 All versions, plus listed versions
3.04+git20260220-13.04+git20260220-1ubuntu13.04+git20260802-1
 None known
ipe
Ubuntu:26.04:LTS
 All versions, plus listed versions
7.2.30-1build17.2.30-1build2
 None known
xpdf
Ubuntu:26.04:LTS
 All versions, plus listed versions
3.04+git20250304-13.04+git20250304-1build13.04+git20260220-1
 None known
poppler
openSUSE:Tumbleweed
 before 25.09.1-4.1
25.09.1-4.1
poppler
openSUSE:Leap 16.0
 before 25.04.0-160000.4.1
25.04.0-160000.4.1
poppler-qt5
openSUSE:Leap 16.0
 before 25.04.0-160000.4.1
25.04.0-160000.4.1
poppler-qt6
openSUSE:Leap 16.0
 before 25.04.0-160000.4.1
25.04.0-160000.4.1

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-2025-11896 is a low vulnerability (CVSS 2.1) in Xpdf, published October 16, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 6th percentile. Fixed in poppler 24.03.0-150600.3.27.1.

References

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