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Vulnerability record · CVE-2018-7648 · published 2 March 2018

CVE-2018-7648: Uclouvain openjpeg memory buffer overflow vulnerability

UUclouvain · Openjpeg

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.

9.8 CVSS 3.1 Critical EPSS 1.6% · top 24.6% CWE-119 · Memory buffer overflow
9.8CVSS 3.1 base score, v2 7.5
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/uclouvain/openjpeg/commit/cc3824767bde397fedb8a1ae4786a222ba860c8d PatchVendor Advisory
https://github.com/uclouvain/openjpeg/issues/1088 Issue TrackingThird Party Advisory
https://github.com/uclouvain/openjpeg/commit/cc3824767bde397fedb8a1ae4786a222ba860c8d PatchVendor Advisory
https://github.com/uclouvain/openjpeg/issues/1088 Issue TrackingThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2013-4289Uclouvain openjpeg vulnerabilityMultiple integer overflows in lib/openjp3d/jp3d.c in OpenJPEG before 1.5.2 allow remote attackers to have unspecified impact and vectors, which trigg…EPSS 2.8%10.0CVE-2013-4290Uclouvain openjpeg memory buffer overflow vulnerabilityStack-based buffer overflow in OpenJPEG before 1.5.2 allows remote attackers to have unspecified impact via unknown vectors to (1) lib/openjp3d/opj_j…EPSS 3.0%10.0CVE-2012-3358Uclouvain openjpeg memory buffer overflow vulnerabilityMultiple heap-based buffer overflows in the j2k_read_sot function in j2k.c in OpenJPEG 1.5 allow remote attackers to cause a denial of service (appli…EPSS 7.7%9.8CVE-2017-17479Uclouvain openjpeg out-of-bounds write vulnerabilityIn OpenJPEG 2.3.0, a stack-based buffer overflow was discovered in the pgxtoimage function in jpwl/convert.c. The vulnerability causes an out-of-boun…EPSS 4.2%9.8CVE-2017-17480Uclouvain openjpeg out-of-bounds write vulnerabilityIn OpenJPEG 2.3.0, a stack-based buffer overflow was discovered in the pgxtovolume function in jp3d/convert.c. The vulnerability causes an out-of-bou…EPSS 5.1%9.8CVE-2015-8871Debian linux use after free vulnerabilityUse-after-free vulnerability in the opj_j2k_write_mco function in j2k.c in OpenJPEG before 2.1.1 allows remote attackers to have unspecified impact v…EPSS 3.0%9.3CVE-2012-1499Uclouvain openjpeg memory buffer overflow vulnerabilityThe JPEG 2000 codec (jp2.c) in OpenJPEG before 1.5 allows remote attackers to execute arbitrary code via a crafted palette index in a CMAP record of …EPSS 5.1%8.8CVE-2020-8112Uclouvain openjpeg out-of-bounds write vulnerabilityopj_t1_clbl_decode_processor in openjp2/t1.c in OpenJPEG 2.3.1 through 2020-01-28 has a heap-based buffer overflow in the qmfbid==1 case, a different…EPSS 3.6%

Source: NIST National Vulnerability Database (record CVE-2018-7648), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.