Vulnerability in Uclouvain Openjpeg
CVE-2025-54874
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.
EPSS: 0.006 (44.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Uclouvain Openjpeg — versions >= 2.5.1, <= 2.5.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-54874?
- CVE-2025-54874 is a critical-severity vulnerability in Uclouvain Openjpeg, classified under CWE-457. CVSS score: 9.8/10. Published 2025-08-05.
- How severe is CVE-2025-54874?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-54874 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.