5.6

CVE-2024-56827: Openjpeg: heap buffer overflow in lib/openjp2/j2k.c

Deferred
AliasesUBUNTU-CVE-2024-56827DEBIAN-CVE-2024-56827
Published 09-01-2025Last modified 06-11-2025

Vulnerability summary

CVE-2024-56827 is a medium (CVSS 5.6) Heap-based Buffer Overflow vulnerability in openjpeg2. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.6, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.6/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.26%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 2
DLA-4107-1DSA-5851-1MGASA-2025-0012RHSA-2025:7309USN-7223-1USN-7623-1

Timeline

  1. 09-01-2025
    PublishedVulnerability first disclosed.
  2. 06-11-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.26% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu6 products
  • blenderAll versions (No fix recorded)
  • ghostscript< 9.26~dfsg+0-0ubuntu0.16.04.14+esm9 | < 9.26~dfsg+0-0ubuntu0.18.04.18+esm4
  • insighttoolkit4All versions (No fix recorded)
  • openjpeg2< 2.1.2-1.1+deb9u6ubuntu0.1~esm7 | < 2.3.0-2+deb10u2ubuntu0.1~esm4 | < 2.3.1-1ubuntu4.20.04.4 | < 2.4.0-6ubuntu0.3 | < 2.5.0-2ubuntu0.3
  • qtwebengine-opensource-srcAll versions (No fix recorded)
Debian1 product
  • openjpeg2< 2.5.0-2+deb12u1 | < 2.5.3-1

2 vendors · 7 products

References

11 links
Show all 11 references