CVE-2023-39327

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 59/100
Published: 2024-07-13 Modified: 2026-11-07 First seen: 2026-11-07 Status: active

Attack Surface

Network Low Complexity No Auth

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Required
S: Unchanged
C: None
I: None
A: Low

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.

Affected Software (4)

VendorProductVersion
— — 2.5.0
uclouvain openjpeg -
uclouvain openjpeg 2.0
uclouvain openjpeg 2.5.0

Bug Bounty Relevance

59 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

4.3 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

EPSS — Exploitation Probability

0.56%
Raw Score 0.005550
Percentile 46.8%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00555
2026-11-12
0.00555
2026-11-10
0.00555
2026-11-09
0.00555
2026-11-08
0.00555
2026-11-07
0.00555
2026-11-06
0.00555

Intelligence Sources

mitre ref →
nvd ref →