CVE-2026-25556

MuPDF versions 1.23.0 through 1.27.0 contain a double-free vulnerability in fzfillpixmapfromdisplaylist when an exception occurs during display list rendering. The function accepts a caller-owned fzpixmap pointer but incorrectly drops the pixmap in its error handling path before rethrowing the...

UBUNTU-CVE-2026-25556

MuPDF versions 1.23.0 through 1.27.0 contain a double-free vulnerability in fzfillpixmapfromdisplaylist when an exception occurs during display list rendering. The function accepts a caller-owned fzpixmap pointer but incorrectly drops the pixmap in its error handling path before rethrowing the...

CVE-2026-25556

MuPDF versions 1.23.0 through 1.27.0 contain a double-free vulnerability in fzfillpixmapfromdisplaylist when an exception occurs during display list rendering. The function accepts a caller-owned fzpixmap pointer but incorrectly drops the pixmap in its error handling path before rethrowing the...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the HTML template rendering process. An attacker can execute arbitrary JavaScript in the context of a victim's browser by sending a specially crafted OAuth2 connection link containing a malicious display nam...

CVE-2025-13523

Mattermost Confluence plugin version 1.7.0 fails to properly escape user-controlled display names in HTML template rendering which allows authenticated Confluence users with malicious display names to execute arbitrary JavaScript in victim browsers via sending a specially crafted OAuth2 connectio...

CVE-2026-25556

MuPDF versions 1.23.0 through 1.27.0 contain a double-free vulnerability in fzfillpixmapfromdisplaylist when an exception occurs during display list rendering. The function accepts a caller-owned fzpixmap pointer but incorrectly drops the pixmap in its error handling path before rethrowing the...

CVE-2026-25556 MuPDF 1.23.0 through 1.27.0 Barcode Decoding Double Free

MuPDF versions 1.23.0 through 1.27.0 contain a double-free vulnerability in fzfillpixmapfromdisplaylist when an exception occurs during display list rendering. The function accepts a caller-owned fzpixmap pointer but incorrectly drops the pixmap in its error handling path before rethrowing the...

EUVD-2026-5668

MuPDF versions 1.23.0 through 1.27.0 contain a double-free vulnerability in fzfillpixmapfromdisplaylist when an exception occurs during display list rendering. The function accepts a caller-owned fzpixmap pointer but incorrectly drops the pixmap in its error handling path before rethrowing the...

CVE-2026-25556 MuPDF 1.23.0 through 1.27.0 Barcode Decoding Double Free

MuPDF versions 1.23.0 through 1.27.0 contain a double-free vulnerability in fzfillpixmapfromdisplaylist when an exception occurs during display list rendering. The function accepts a caller-owned fzpixmap pointer but incorrectly drops the pixmap in its error handling path before rethrowing the...

CVE-2026-25556

CVE-2026-25556 affects MuPDF versions 1.23.0–1.27.0 and describes a double-free in fz_fill_pixmap_from_display_list() when an exception occurs during display list rendering. The function drops a caller-owned fz_pixmap in its error path before rethrowing, and the bar‑code decoding path can drop th...

CVE-2026-25556 MuPDF 1.23.0 through 1.27.0 Barcode Decoding Double Free

MuPDF versions 1.23.0 through 1.27.0 contain a double-free vulnerability in fzfillpixmapfromdisplaylist when an exception occurs during display list rendering. The function accepts a caller-owned fzpixmap pointer but incorrectly drops the pixmap in its error handling path before rethrowing the...

CVE-2026-25556

MuPDF versions 1.23.0 through 1.27.0 contain a double-free vulnerability in fzfillpixmapfromdisplaylist when an exception occurs during display list rendering. The function accepts a caller-owned fzpixmap pointer but incorrectly drops the pixmap in its error handling path before rethrowing the...

CVE-2025-13523 Cross-Site Scripting (XSS) via Unescaped Display Names in Mattermost Confluence Plugin OAuth2 Flow

Mattermost Confluence plugin version 1.7.0 fails to properly escape user-controlled display names in HTML template rendering which allows authenticated Confluence users with malicious display names to execute arbitrary JavaScript in victim browsers via sending a specially crafted OAuth2 connectio...

CVE-2025-13523 Cross-Site Scripting (XSS) via Unescaped Display Names in Mattermost Confluence Plugin OAuth2 Flow

Mattermost Confluence plugin version 1.7.0 fails to properly escape user-controlled display names in HTML template rendering which allows authenticated Confluence users with malicious display names to execute arbitrary JavaScript in victim browsers via sending a specially crafted OAuth2 connectio...

CVE-2025-13523

CVE-2025-13523 affects Mattermost Confluence plugin versions prior to 1.7.0. The root cause is improper escaping of user-controlled display names during HTML template rendering. This allows authenticated Confluence users with malicious display names to trigger arbitrary JavaScript execution in a ...

EUVD-2025-206888

Mattermost Confluence plugin version 1.7.0 fails to properly escape user-controlled display names in HTML template rendering which allows authenticated Confluence users with malicious display names to execute arbitrary JavaScript in victim browsers via sending a specially crafted OAuth2 connectio...

CVE-2025-13523

Mattermost Confluence plugin version 1.7.0 fails to properly escape user-controlled display names in HTML template rendering which allows authenticated Confluence users with malicious display names to execute arbitrary JavaScript in victim browsers via sending a specially crafted OAuth2 connectio...

CVE-2025-13523 Cross-Site Scripting (XSS) via Unescaped Display Names in Mattermost Confluence Plugin OAuth2 Flow

Mattermost Confluence plugin version 1.7.0 fails to properly escape user-controlled display names in HTML template rendering which allows authenticated Confluence users with malicious display names to execute arbitrary JavaScript in victim browsers via sending a specially crafted OAuth2 connectio...

Linux Distros Unpatched Vulnerability : CVE-2026-25556

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - MuPDF versions 1.23.0 through 1.27.0 contain a double-free vulnerability in fzfillpixmapfromdisplaylist when an exception occurs during display list rendering...

MuPDF resource management error vulnerability

MuPDF is an open-source software library written in C language. It is used to render pages as bitmaps, but also provides support for other operations such as searching and listing directories and links. Versions of MuPDF prior to 1.27.0 had a resource management vulnerability. This vulnerability...