CVE-2025-54874

6.6 mediumEPSS 0.6%

Medium (6.6) in uclouvain openjpeg. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 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

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CWE: CWE-457
Published: 2025-08-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

uclouvain:openjpeg

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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