Medium [CVE-2024-56827] Openjpeg: heap buffer overflow in lib/openjp2/j2k.c
This medium-severity Red Hat Linux advisory covers CVE-2024-56827 affecting Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published
Summary
A flaw was found in the OpenJPEG project. A heap buffer overflow condition may be triggered when certain options are specified while using the opj_decompress utility.
This can lead to an application crash or other undefined behavior. Red Hat severity: Moderate — CVSS 5.6 (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:H).
Weakness: CWE-122. Affected Red Hat products: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8.
Will not fix / out of support: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8. Red Hat fixing advisory: RHSA-2025:7309.
Affected products named by the advisory: Red Hat package: openjpeg2.
Is CVE-2024-56827 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2024-56827 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2024-56827?
Upgrade to a fixed release named by Red Hat:
- openjpeg2-0:2.4.0-8.el9
- RHSA-2025:7309
Confirm against the vendor advisory before you patch.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative. Check it before change work.
Official advisory · high-confidence parse· fetched 5 days ago·verify at source
- openjpeg2-0:2.4.0-8.el9
- RHSA-2025:7309
Official advisory · high-confidence parse· fetched 5 days ago·verify at source
Mitigation
Upgrade to a fixed release: openjpeg2-0:2.4.0-8.el9, RHSA-2025:7309. That is the remediation for this advisory.
The vendor advisory may list interim mitigations or workarounds not captured here. Review it before change work.
Official advisory · high-confidence parse· fetched 5 days ago·verify at source
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