CVE-2018-5727

FAUCET Score

CVE-2018-5727 is an integer overflow vulnerability in OpenJPEG 2.3.0, specifically within the opj_t1_encode_cblks function, affecting uclouvain openjpeg. This medium-severity vulnerability (CVSS 6.5) can be exploited remotely with low complexity via a crafted BMP file, leading to a denial of service. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		2.3.0CPE matchmatch criteria	cpe:2.3:a:uclouvain:openjpeg:2.3.0:::::::*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

2.8

Impact Score

3.6

CvssVersion

3.0

Exploit Intelligence

EPSS Score

1.89%

Probability of exploitation in next 30 days

EPSS Percentile

77.4%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0189 is in the 89th percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: openjpeg2-0:2.4.0-4.el8

View patch

Vendor Advisories (1)

redhatCVE-2018-5727Low

openjpeg: integer overflow in opj_t1_encode_cblks in src/lib/openjp2/t1.c

Jan 13, 2018

References

github.com / uclouvain/openjpeg/issues/1053

ExploitThird Party Advisory