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Vulnerability record · CVE-2018-5268 · published 8 January 2018

CVE-2018-5268: Opencv out-of-bounds write vulnerability

Opencv · Opencv

In OpenCV 3.3.1, a heap-based buffer overflow happens in cv::Jpeg2KDecoder::readComponent8u in modules/imgcodecs/src/grfmt_jpeg2000.cpp when parsing a crafted image file.

5.5 CVSS 3.1 Medium EPSS 1.5% · top 26.4% CWE-787 · Out-of-bounds write
5.5CVSS 3.1 base score, v2 4.3
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

In OpenCV 3.3.1, a heap-based buffer overflow happens in cv::Jpeg2KDecoder::readComponent8u in modules/imgcodecs/src/grfmt_jpeg2000.cpp when parsing a crafted image file.

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

Affected products

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

References

LinkTags
http://www.securityfocus.com/bid/106945 Third Party AdvisoryVDB Entry
https://github.com/opencv/opencv/issues/10541 ExploitIssue TrackingMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00019.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00030.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00028.html Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/106945 Third Party AdvisoryVDB Entry
https://github.com/opencv/opencv/issues/10541 ExploitIssue TrackingMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00019.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00030.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00028.html Mailing ListThird Party Advisory

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

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Source: NIST National Vulnerability Database (record CVE-2018-5268), CISA KEV, FIRST EPSS (scores of 2026-09-30). This page is refreshed as NVD updates the record.