CVE-2025-54874

OpenJPEG allows OOB heap memory write in opj_jp2_read_header

State: Published
Severity: 6.6 Medium
Published: Aug 5, 2025
Updated: Feb 26, 2026
Reserved: Jul 31, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	6.6 Medium	CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P	GitHub_M

Weaknesses

CWE-457 Use of Uninitialized Variable

Affected Products

Product	Versions
openjpeguclouvain	>= 2.5.1, <= 2.5.3Affected

References

https://github.com/uclouvain/openjpeg/commit/f809b80c67717c152a5ad30bf06774f00da4fd2d
https://github.com/uclouvain/openjpeg/pull/1573
https://securitylab.github.com/advisories/GHSL-2025-057_OpenCV

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