4.3

CVE-2023-39327: Openjpeg: malicious files can cause the program to enter a large loop

Modified
AliasesMGASA-2024-0323SUSE-SU-2025:3946-1SUSE-SU-2026:0320-1
Published 13-07-2024Last modified 21-09-2026

Vulnerability summary

CVE-2023-39327 is a medium (CVSS 4.3) Uncontrolled Resource Consumption vulnerability in uclouvain openjpeg. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 46.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.56%
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 1 · Related 2
USN-7623-1CGA-75GC-CJXV-XCJ2

Timeline

  1. 13-07-2024
    PublishedVulnerability first disclosed.
  2. 21-09-2026
    Last modifiedVulnerability information updated.

Description

A flaw was found in OpenJPEG. Maliciously constructed pictures can cause the program to enter a large loop and continuously print warning messages on the terminal.

CVSS metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.56% 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: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Suse7 products
  • openjpeg2&distro=SUSE Linux Enterprise Module for Basesystem 15 SP7< 2.3.0-150000.3.24.1
  • openjpeg2&distro=SUSE Linux Enterprise Module for Package Hub 15 SP7< 2.3.0-150000.3.24.1
  • openjpeg2&distro=SUSE Linux Enterprise Server 16.0< 2.5.3-160000.3.1
  • openjpeg2&distro=SUSE Linux Enterprise Server for SAP applications 16.0< 2.5.3-160000.3.1
  • openjpeg2&distro=SUSE Linux Enterprise Server LTSS Extended Security 12 SP5< 2.1.0-4.27.1
Ubuntu7 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)
  • openjpegAll versions (No fix recorded)
  • openjpeg2< 2.1.2-1.1+deb9u6ubuntu0.1~esm4 | < 2.3.0-2+deb10u2ubuntu0.1~esm2 | < 2.3.1-1ubuntu4.20.04.2 | < 2.4.0-6ubuntu0.1 | < 2.5.0-2ubuntu0.1
Opensuse4 products
  • openjpeg2&distro=openSUSE Leap 15.6< 2.3.0-150000.3.24.1
  • openjpeg2&distro=openSUSE Leap 16.0< 2.5.3-160000.3.1
  • openjpeg2&distro=openSUSE Tumbleweed< 2.5.4-2.1
  • openjpeg&distro=openSUSE Leap 15.6< 1.5.2-150000.4.15.1
Chainguard1 product
  • openjpeg< 2.5.4-r2
Debian1 product
  • openjpeg2All versions (No fix recorded)
Mageia1 product
  • openjpeg2< 2.5.0-1.1.mga9
Uclouvain1 product
Wolfi1 product
  • openjpeg< 2.5.4-r2

8 vendors · 23 products

References

24 links
Show all 24 references