CVE-2018-7648: 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…

PriorityP342critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

1.65%

73.9th percentile

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.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	openjpeg2	< openjpeg2 2.3.1-1 (bookworm)	openjpeg2 2.3.1-1 (bookworm)
the_openjpeg_project	openjpeg2	>= 0 < 2.3.1-1	2.3.1-1
the_openjpeg_project	openjpeg2	>= 0 < 2.3.1-1	2.3.1-1
the_openjpeg_project	openjpeg2	>= 0 < 2.3.1-1	2.3.1-1
the_openjpeg_project	openjpeg2	>= 0 < 2.3.1-1	2.3.1-1
uclouvain	openjpeg	—	—

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

osv9.8CRITICAL

vendor_debian9.8LOW

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.