{"id":"CVE-2017-12598","aliases":["GHSA-33h2-69j3-r336","PYSEC-2026-2805","PYSEC-2026-698"],"title":"Out-of-bounds Read in OpenCV ","summary":"Out-of-bounds Read in OpenCV ","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","vendor":"opencv-python","product":"opencv-python","ecosystem":"pip","affected":["opencv-python < 3.3.1.11","opencv-contrib-python < 3.3.1.11"],"patched":["opencv-python 3.3.1.11","opencv-contrib-python 3.3.1.11"],"published":"2021-10-12","updated":"2026-09-10","sourceUpdated":"2026-09-10T03:49:09.058322152Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-33h2-69j3-r336","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-12598"},{"url":"https://github.com/opencv/opencv/issues/9309"},{"url":"https://github.com/opencv/opencv/pull/9376"},{"url":"https://github.com/opencv/opencv-python"},{"url":"https://github.com/opencv/opencv-python/releases/tag/11"},{"url":"https://github.com/opencv/opencv-python/releases/tag/9"},{"url":"https://github.com/xiaoqx/pocs/blob/master/opencv.md"},{"url":"https://lists.debian.org/debian-lts-announce/2018/07/msg00030.html"},{"url":"https://lists.debian.org/debian-lts-announce/2021/10/msg00028.html"},{"url":"https://security.gentoo.org/glsa/201712-02"}],"tags":["osv","pip"],"epss":0.01986,"epssPercentile":0.7946,"ingestedAt":"2026-07-08T18:25:44.659Z","slug":"CVE-2017-12598","body":"## Overview\n\nOpenCV (Open Source Computer Vision Library) through 3.3 (corresponding to OpenCV-Python 3.3.0.9) has an out-of-bounds read error in the cv::RBaseStream::readBlock function in modules/imgcodecs/src/bitstrm.cpp when reading an image file by using cv::imread, as demonstrated by the 8-opencv-invalid-read-fread test case.\n\n## Affected packages\n\n- `opencv-python < 3.3.1.11`\n- `opencv-contrib-python < 3.3.1.11`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `opencv-python 3.3.1.11`\n- `opencv-contrib-python 3.3.1.11`","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.4,"exploitation":0,"ransomware":0},"changes":[]}