CVE-2018-7648

Name: CVE-2018-7648
Creator: NVD / NIST
Published: 2018-03-02T16:29:00.213+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.67%

Last modified Jun 17, 2026

CVE-2018-7648 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in mj2/opj_mj2_extract.c in OpenJPEG 2.3.0. The output prefix was not checked for length, which could overflow a buffer, when providing a prefix with 50 or more characters on the command line.. EPSS estimates a 1.67% chance of exploitation in the next 30 days.

Description

An issue was discovered in mj2/opj_mj2_extract.c in OpenJPEG 2.3.0. The output prefix was not checked for length, which could overflow a buffer, when providing a prefix with 50 or more characters on the command line.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.67%

73.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Uclouvain	Openjpeg	2.3.0

References

https://github.com/uclouvain/openjpeg/commit/cc3824767bde397fedb8a1ae4786a222ba860c8dPatch, Vendor Advisory
https://github.com/uclouvain/openjpeg/issues/1088Issue Tracking, Third Party Advisory
https://github.com/uclouvain/openjpeg/commit/cc3824767bde397fedb8a1ae4786a222ba860c8dPatch, Vendor Advisory
https://github.com/uclouvain/openjpeg/issues/1088Issue Tracking, Third Party Advisory

Timeline

Published: Mar 2, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-7648?

How severe is CVE-2018-7648?

CVE-2018-7648 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.67% probability of exploitation in the next 30 days.

How do I fix CVE-2018-7648?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-7648?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST