CVE-2024-56827

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 17.5% of scored records. A rank, not a probability.

NVD base score

5.6 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-01-09 03:40Z1 YR AGO

Last updated

2025-11-06 22:33Z10 MO AGO

Reserved

2025-01-01

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 5.6)

CNA CVSS vector

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

Weaknesses

• CWE-122Heap-based Buffer OverflowVariant

Data version

5.2

Document digest

77be8df7e87d465393710d5e11beb6792a23d53d151eedaa3bdee12550915b3b

• access.redhat.comRHSA-2025:7309https://access.redhat.com/errata/RHSA-2025:7309vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2024-56827vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2335174https://bugzilla.redhat.com/show_bug.cgi?id=2335174issue-trackingx_refsource_REDHAT
• github.comhttps://github.com/uclouvain/openjpeg/commit/e492644fbded4c820ca55b5e50e598d346e850e8
• github.comhttps://github.com/uclouvain/openjpeg/issues/1564
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/04/msg00002.html