What is CVE-2025-71382?

CVE-2025-71382 is a medium-severity vulnerability in Artifexsoftware Mupdf, classified under Uncontrolled Recursion. CVSS score: 6.5/10. Published 2026-06-23.

How severe is CVE-2025-71382?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Artifexsoftware Mupdf

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 elemen…

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Artifexsoftware Mupdf — versions 0

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

References

disclosure@vulncheck.com (release-notes)
disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2025-71382?: CVE-2025-71382 is a medium-severity vulnerability in Artifexsoftware Mupdf, classified under Uncontrolled Recursion. CVSS score: 6.5/10. Published 2026-06-23.
How severe is CVE-2025-71382?: Medium severity. CVSS v3 base score is 6.5 out of 10.