CVE-2025-71382
MuPDF < 1.27.0-rc1 Stack Exhaustion DoS via EPUB CSS Rendering
MuPDF before 1.27.0-rc1 contains an uncontrolled recursion vulnerability in the EPUB CSS rendering engine that allows remote attackers to cause a denial of service by supplying a maliciously crafted EPUB file with deeply nested HTML elements and inline CSS styles. The function value_from_inheritable_property() in css-apply.c recurses through the CSS property inheritance chain without a depth limit, exhausting the process stack and causing a crash in any application using MuPDF for EPUB rendering.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
MuPDF < 1.27.0-rc1 Stack Exhaustion DoS via EPUB CSS Rendering
MuPDF before 1.27.0-rc1 contains an uncontrolled recursion vulnerability in the EPUB CSS rendering engine that allows remote attackers to cause a denial of service by supplying a maliciously crafted EPUB file with deeply nested HTML elements and inline CSS styles. The function value_from_inheritable_property() in css-apply.c recurses through the CSS property inheritance chain without a depth limit, exhausting the process stack and causing a crash in any application using MuPDF for EPUB rendering.
- Record
CVE-2025-71382- CVSS 4.0
- 7.1 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 6.5 Medium
CVSS: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-2025-210322
MuPDF before 1.27.0-rc1 contains an uncontrolled recursion vulnerability in the EPUB CSS rendering engine that allows remote attackers to cause a denial of service by supplying a maliciously crafted EPUB file with deeply nested HTML elements and inline CSS styles. The function value_from_inheritable_property() in css-apply.c recurses through the CSS property inheritance chain without a depth limit, exhausting the process stack and causing a crash in any application using MuPDF for EPUB rendering.
- Record
EUVD-2025-210322- CVSS 4.0
- 7.1 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mhwh-83qc-j6x4
MuPDF before 1.27.0-rc1 contains an uncontrolled recursion vulnerability in the EPUB CSS...
MuPDF before 1.27.0-rc1 contains an uncontrolled recursion vulnerability in the EPUB CSS rendering engine that allows remote attackers to cause a denial of service by supplying a maliciously crafted EPUB file with deeply nested HTML elements and inline CSS styles. The function value_from_inheritable_property() in css-apply.c recurses through the CSS property inheritance chain without a depth limit, exhausting the process stack and causing a crash in any application using MuPDF for EPUB rendering.
- Record
GHSA-mhwh-83qc-j6x4- CVSS 4.0
- 7.1 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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 - CVSS 3.1
- 6.5 Medium
CVSS: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
NVD
MuPDF before 1.27.0-rc1 contains an uncontrolled recursion vulnerability in the EPUB CSS rendering engine that allows remote attackers to cause a denial of service by supplying a maliciously crafted EPUB file with deeply nested HTML elements and inline CSS styles. The function value_from_inheritable_property() in css-apply.c recurses through the CSS property inheritance chain without a depth limit, exhausting the process stack and causing a crash in any application using MuPDF for EPUB rendering.
- Record
CVE-2025-71382- CVSS 4.0
- 7.1 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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 - CVSS 3.1
- 6.5 Medium
CVSS: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
MuPDF < 1.27.0-rc1 Stack Exhaustion DoS via EPUB CSS Rendering
MuPDF before 1.27.0-rc1 contains an uncontrolled recursion vulnerability in the EPUB CSS rendering engine that allows remote attackers to cause a denial of service by supplying a maliciously crafted EPUB file with deeply nested HTML elements and inline CSS styles. The function value_from_inheritable_property() in css-apply.c recurses through the CSS property inheritance chain without a depth limit, exhausting the process stack and causing a crash in any application using MuPDF for EPUB rendering.
- Record
CVE-2025-71382- CVSS 4.0
- 7.1 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - Weakness
- CWE-674
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2025-71382
MuPDF before 1.27.0-rc1 contains an uncontrolled recursion vulnerability in the EPUB CSS rendering engine that allows remote attackers to cause a denial of service by supplying a maliciously crafted EPUB file with deeply nested HTML elements and inline CSS styles. The function value_from_inheritable_property() in css-apply.c recurses through the CSS property inheritance chain without a depth limit, exhausting the process stack and causing a crash in any application using MuPDF for EPUB rendering.
- Record
DEBIAN-CVE-2025-71382- CVSS 4.0
- 7.1 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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
OSVUBUNTU-CVE-2025-71382
MuPDF before 1.27.0-rc1 contains an uncontrolled recursion vulnerability in the EPUB CSS rendering engine that allows remote attackers to cause a denial of service by supplying a maliciously crafted EPUB file with deeply nested HTML elements and inline CSS styles. The function value_from_inheritable_property() in css-apply.c recurses through the CSS property inheritance chain without a depth limit, exhausting the process stack and causing a crash in any application using MuPDF for EPUB rendering.
- Record
UBUNTU-CVE-2025-71382- CVSS 4.0
- 7.1 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mupdfDebian: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 less1.23.10+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 |
mupdfDebian: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 less1.27.0+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 |
mupdfDebian:14 |
before 1.27.0+ds1-2, plus listed versions 1.25.1+ds1-61.25.1+ds1-71.25.1+ds1-81.25.1+ds1-91.27.0+ds1-1 |
1.27.0+ds1-2 |
mupdfUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 1.7-11.7a-11.7a-1ubuntu0.1~esm1 |
None known |
mupdfUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 1.11+ds1-1.11.11+ds1-21.12.0+ds1-11.12.0+ds1-1ubuntu0.1~esm11.12.0+ds1-1ubuntu0.1~esm2 |
None known |
mupdfUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 1.15.0+ds1-11.16.1+ds1-1ubuntu11.16.1+ds1-1ubuntu1+esm11.16.1+ds1-1ubuntu1+esm2 |
None known |
mupdfUbuntu:Pro:22.04:LTS |
All versions, plus listed versions 1.17.0+ds1-21.19.0+ds1-11.19.0+ds1-1build11.19.0+ds1-21.19.0+ds1-2ubuntu0.1~esm1 |
None known |
mupdfUbuntu:Pro:24.04:LTS |
All versions, plus listed versions 1.22.2+ds1-21.22.2+ds1-2build11.23.6+ds1-11.23.7+ds1-11.23.10+ds1-1 Show 4 moreShow less1.23.10+ds1-1build11.23.10+ds1-1build21.23.10+ds1-1build31.23.10+ds1-1ubuntu0.1~esm1 |
None known |
mupdfUbuntu:25.10 |
All versions, plus listed versions 1.25.1+ds1-5build21.25.1+ds1-61.25.1+ds1-7 |
None known |
mupdfUbuntu:26.10 |
All versions, plus listed versions 1.27.0+ds1-3ubuntu21.27.0+ds1-3ubuntu3 |
None known |
mupdfUbuntu:26.04:LTS |
All versions, plus listed versions 1.25.1+ds1-71.25.1+ds1-7build11.25.1+ds1-7build21.27.0+ds1-2ubuntu11.27.0+ds1-3ubuntu11.27.0+ds1-3ubuntu2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-71382 is a high vulnerability (CVSS 7.1) in Artifex Mupdf, published June 23, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.58%, the 48th percentile. Fixed in mupdf 1.27.0+ds1-2.
References
github.com/ArtifexSoftware/mupdf/releases/tag/1.27.0-rc1
bugs.ghostscript.com/show_bug.cgi?id=708840
vulncheck.com/advisories/mupdf-rc1-stack-exhaustion-dos-via-epub-css-rendering
nvd.nist.gov/vuln/detail/CVE-2025-71382