CVE-2025-55780 is a null pointer dereference vulnerability in MuPDF versions up to 1.26.4, specifically within the break_word_for_overflow_wrap() function when processing malformed EPUB documents. This flaw, rated 7.5 HIGH, can be triggered remotely without user interaction, leading to a denial of service (crash) due to improper validation of node pointers. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.24.0, < 1.26.7CPE matchmatch criteria | cpe:2.3:a:artifex:mupdf:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.