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CVE-2025-46206

An issue in Artifex mupdf 1.25.6, 1.25.5 allows a remote attacker to cause a denial of service...

6.5 MediumPublic exploitFix available

An issue in Artifex mupdf 1.25.6, 1.25.5 allows a remote attacker to cause a denial of service via an infinite recursion in the mutool clean utility. When processing a crafted PDF file containing cyclic /Next references in the outline structure, the strip_outline() function enters infinite recursion

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.47%Up 0.3 points since Aug 5, 2025
90%50%10%1%

What each source reports

CVE List Score used 6.5

An issue in Artifex mupdf 1.25.6, 1.25.5 allows a remote attacker to cause a denial of service via an infinite recursion in the mutool clean utility. When processing a crafted PDF file containing cyclic /Next references in the outline structure, the strip_outline() function enters infinite recursion

Record
CVE-2025-46206
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-674
Updated
2026-11-02
EUVDEUVD-2025-23520 6.5

An issue in Artifex mupdf 1.25.6, 1.25.5 allows a remote attacker to cause a denial of service via an infinite recursion in the mutool clean utility. When processing a crafted PDF file containing cyclic /Next references in the outline structure, the strip_outline() function enters infinite recursion

Record
EUVD-2025-23520
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-m6hm-534h-7mxm 7.5

An issue in Artifex mupdf 1.25.6, 1.25.5 allows a remote attacker to cause a denial of service...

An issue in Artifex mupdf 1.25.6, 1.25.5 allows a remote attacker to cause a denial of service via an infinite recursion in the mutool clean utility. When processing a crafted PDF file containing cyclic /Next references in the outline structure, the strip_outline() function enters infinite recursion

Record
GHSA-m6hm-534h-7mxm
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-400, CWE-674
Updated
2026-11-02
NVD 6.5

An issue in Artifex mupdf 1.25.6, 1.25.5 allows a remote attacker to cause a denial of service via an infinite recursion in the mutool clean utility. When processing a crafted PDF file containing cyclic /Next references in the outline structure, the strip_outline() function enters infinite recursion

Record
CVE-2025-46206
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-674
Updated
2026-11-02
OSV 6.5

An issue in Artifex mupdf 1.25.6, 1.25.5 allows a remote attacker to cause a denial of service via an infinite recursion in the mutool clean utility. When processing a crafted PDF file containing cyclic /Next references in the outline structure, the strip_outline() function enters infinite recursion

Record
CVE-2025-46206
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2025-46206 6.5

An issue in Artifex mupdf 1.25.6, 1.25.5 allows a remote attacker to cause a denial of service via an infinite recursion in the mutool clean utility. When processing a crafted PDF file containing cyclic /Next references in the outline structure, the strip_outline() function enters infinite recursion

Record
DEBIAN-CVE-2025-46206
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2025-46206 6.5

An issue in Artifex mupdf 1.25.6, 1.25.5 allows a remote attacker to cause a denial of service via an infinite recursion in the mutool clean utility. When processing a crafted PDF file containing cyclic /Next references in the outline structure, the strip_outline() function enters infinite recursion

Record
UBUNTU-CVE-2025-46206
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUSN-7888-1 No score

mupdf vulnerabilities

It was discovered that MuPDF could be made to divide by zero. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-51103, CVE-2023-51104, CVE-2023-51105, CVE-2023-51106)

It was discovered that MuPDF incorrectly handled memory under certain circumstances, which could lead to a NULL pointer dereference. An attacker could potentially use this issue to cause a denial of service. (CVE-2024-46657)

It was discovered that MuPDF could enter an infinite recursion when parsing certain PDF files. An attacker could possibly use this issue to cause a denial of service. (CVE-2025-46206)

Record
USN-7888-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
mupdf
Debian:12
 All versions, plus listed versions
1.21.1+ds2-11.21.1+ds2-1+deb12u11.22.1+ds1-11.22.2+ds1-11.22.2+ds1-2
Show 27 moreShow less
1.23.10+ds1-11.23.10+ds1-21.23.6+ds1-11.23.7+ds1-11.24.10+ds1-11.24.3+ds1-11.24.8+ds2-11.24.8+ds2-21.24.9+ds1-11.25.1+ds1-11.25.1+ds1-21.25.1+ds1-31.25.1+ds1-41.25.1+ds1-51.25.1+ds1-61.25.1+ds1-71.25.1+ds1-81.25.1+ds1-91.27.0+ds1-11.27.0+ds1-21.27.0+ds1-31.27.0+ds1-41.27.0+ds1-51.27.0+ds1-61.28.0+ds1-11.28.2+ds1-11.28.2+ds1-2
 None known
mupdf
Debian:13
 All versions, plus listed versions
1.25.1+ds1-61.25.1+ds1-6+deb13u11.25.1+ds1-71.25.1+ds1-81.25.1+ds1-9
Show 9 moreShow less
1.27.0+ds1-11.27.0+ds1-21.27.0+ds1-31.27.0+ds1-41.27.0+ds1-51.27.0+ds1-61.28.0+ds1-11.28.2+ds1-11.28.2+ds1-2
 None known
mupdf
Debian:14
 before 1.25.1+ds1-7, plus listed versions
1.25.1+ds1-6
1.25.1+ds1-7
mupdf
Ubuntu:Pro:18.04:LTS
 before 1.12.0+ds1-1ubuntu0.1~esm2, plus listed versions
1.11+ds1-1.11.11+ds1-21.12.0+ds1-11.12.0+ds1-1ubuntu0.1~esm1
1.12.0+ds1-1ubuntu0.1~esm2
mupdf
Ubuntu:Pro:20.04:LTS
 before 1.16.1+ds1-1ubuntu1+esm2, plus listed versions
1.15.0+ds1-11.16.1+ds1-1ubuntu11.16.1+ds1-1ubuntu1+esm1
1.16.1+ds1-1ubuntu1+esm2
mupdf
Ubuntu:Pro:22.04:LTS
 before 1.19.0+ds1-2ubuntu0.1~esm1, plus listed versions
1.17.0+ds1-21.19.0+ds1-11.19.0+ds1-1build11.19.0+ds1-2
1.19.0+ds1-2ubuntu0.1~esm1
mupdf
Ubuntu:Pro:24.04:LTS
 before 1.23.10+ds1-1ubuntu0.1~esm1, plus listed versions
1.22.2+ds1-21.22.2+ds1-2build11.23.6+ds1-11.23.7+ds1-11.23.10+ds1-11.23.10+ds1-1build11.23.10+ds1-1build21.23.10+ds1-1build3
1.23.10+ds1-1ubuntu0.1~esm1
mupdf
Ubuntu:Pro:18.04:LTS
From an advisory covering 6 CVEs
 before 1.12.0+ds1-1ubuntu0.1~esm2, plus listed versions
1.11+ds1-1.11.11+ds1-21.12.0+ds1-11.12.0+ds1-1ubuntu0.1~esm1
1.12.0+ds1-1ubuntu0.1~esm2
mupdf
Ubuntu:Pro:20.04:LTS
From an advisory covering 6 CVEs
 before 1.16.1+ds1-1ubuntu1+esm2, plus listed versions
1.15.0+ds1-11.16.1+ds1-1ubuntu11.16.1+ds1-1ubuntu1+esm1
1.16.1+ds1-1ubuntu1+esm2
mupdf
Ubuntu:Pro:22.04:LTS
From an advisory covering 6 CVEs
 before 1.19.0+ds1-2ubuntu0.1~esm1, plus listed versions
1.17.0+ds1-21.19.0+ds1-11.19.0+ds1-1build11.19.0+ds1-2
1.19.0+ds1-2ubuntu0.1~esm1
mupdf
Ubuntu:Pro:24.04:LTS
From an advisory covering 6 CVEs
 before 1.23.10+ds1-1ubuntu0.1~esm1, plus listed versions
1.22.2+ds1-21.22.2+ds1-2build11.23.6+ds1-11.23.7+ds1-11.23.10+ds1-11.23.10+ds1-1build11.23.10+ds1-1build21.23.10+ds1-1build3
1.23.10+ds1-1ubuntu0.1~esm1

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubLandw-hub/CVE-2025-462062025-08-01

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV, PoC in GitHub

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

In short

CVE-2025-46206 is a medium vulnerability (CVSS 6.5) in Artifex Mupdf, published August 4, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 40th percentile. Fixed in mupdf 1.25.1+ds1-7.

References

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