6.5

CVE-2023-39329: Openjpeg: resource exhaustion will occur in the opj_t1_decode_cblks function in the tcd.c

Modified
AliasesUBUNTU-CVE-2023-39329DEBIAN-CVE-2023-39329CGA-3jg5-76c9-gh49
Published 13-07-2024Last modified 21-09-2026

Vulnerability summary

CVE-2023-39329 is a medium (CVSS 6.5) Uncontrolled Resource Consumption vulnerability in uclouvain openjpeg. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 47.3% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.59%
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 0 · Related 1

Timeline

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

Description

A flaw was found in OpenJPEG. A resource exhaustion can occur in the opj_t1_decode_cblks function in tcd.c through a crafted image file, causing a denial of service.

CVSS metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

0.59%

Chance of exploitation in the next 30 days

Percentile

47%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.59% on 22-09-2026

22-09-202622-10-2026

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

Ubuntu7 products
  • blenderAll versions (No fix recorded)
  • ghostscriptAll versions (No fix recorded)
  • insighttoolkit4All versions (No fix recorded)
  • openjpegAll versions (No fix recorded)
  • openjpeg2All versions (No fix recorded)
Chainguard1 product
  • openjpeg< 2.5.4-r2
Debian1 product
  • openjpeg2All versions (No fix recorded)
Uclouvain1 product
Wolfi1 product
  • openjpeg< 2.5.4-r2

5 vendors · 11 products

References

12 links
Show all 12 references