🛡️ CVE-2017-18009 — opencv-contrib-python

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-125 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Out-of-bounds Read in OpenCV

In OpenCV 3.3.1 (corresponding with OpenCV-Python 3.3.1.11), a heap-based buffer over-read exists in the function cv::HdrDecoder::checkSignature in modules/imgcodecs/src/grfmt_hdr.cpp.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2017-18009 is classified as CWE-125: Out-of-bounds Read. The code reads past the limits of a buffer, exposing adjacent memory contents or crashing the process.

Affected software

CVE-2017-18009 is recorded against 2 packages.

  • opencv-contrib-python (fixed in 3.4.1.15)
  • opencv-python (fixed in 3.4.1.15)

Timeline and source

Published on 12 October 2021 and last revised on 13 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
github.com (Package)
www.securityfocus.com (Web)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-125
Public Exploit ✅ No
Source OSV
Published 2021-10-12
Updated 2026-08-12
Modified 2026-07-13
Fix URL N/A

Affected Packages

Software From version Fixed in
opencv-contrib-python — 3.4.1.15
opencv-python — 3.4.1.15

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