🛡️ CVE-2016-1516 — opencv-contrib-python

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-415 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Double Free in OpenCV

OpenCV 3.0.0 has a double free issue that allows attackers to execute arbitrary code. This issue was fixed in OpenCV version 3.3.1 (corresponding to OpenCV-Python and and OpenCV-Contrib-Python 3.3.1.11).

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. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2016-1516 is classified as CWE-415: Double Free. The same allocation is released twice, corrupting allocator bookkeeping.

Affected software

CVE-2016-1516 is recorded against 2 packages.

  • opencv-contrib-python (fixed in 3.3.1.11)
  • opencv-python (fixed in 3.3.1.11)

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)
arxiv.org (Web)
github.com (Package)
lists.debian.org (Web)
lists.debian.org (Web)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-415
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 — 3.3.1.11
opencv-python — 3.3.1.11

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