CVE-2025-71382

EUVD-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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 24.65%
Affected Products (NVD)
VendorProductVersion
artifexmupdf
𝑥
< 1.27.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
mupdf
bookworm
postponed
bookworm (security)
vulnerable
bullseye
postponed
bullseye (security)
vulnerable
forky
1.27.0+ds1-6
fixed
sid
1.27.0+ds1-6
fixed
trixie
no-dsa
trixie (security)
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
mupdf
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
Common Weakness Enumeration
References
https://bugs.ghostscript.com/show_bug.cgi?id=708840
https://github.com/ArtifexSoftware/mupdf/commit/70b71ab22e6de4d4c44cd301c88231f623a4e94e
https://github.com/ArtifexSoftware/mupdf/releases/tag/1.27.0-rc1
https://www.vulncheck.com/advisories/mupdf-rc1-stack-exhaustion-dos-via-epub-css-rendering