CVE-2025-54874

Critical

Description

OpenJPEG is an open-source JPEG 2000 codec. In OpenJPEG from 2.5.1 through 2.5.3, a call to opj_jp2_read_header may lead to OOB heap memory write when the data stream p_stream is too short and p_image is not initialized.

SeverityCritical
CVSS9.8
Exploit probability—
ProductUclouvain Openjpeg
PublishedAug 5, 2025
First seenAug 5, 2025
Weakness typeCWE-457CWE-457

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
uclouvain openjpegv ≤ 2.5.3—

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CVE-2025-54874 · Uclouvain Openjpeg · Dark Radar