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🛡️ CVE-2017-12862 — opencv-contrib-python

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-119 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Improper Restriction of Operations within the Bounds of a Memory Buffer in OpenCV

In modules/imgcodecs/src/grfmt_pxm.cpp, the length of buffer AutoBuffer _src is small than expected, which will cause copy buffer overflow later. If the image is from remote, may lead to remote code execution or denial of service. This affects OpenCV 3.3 (corresponding to OpenCV-Python 3.3.0.9) and earlier.

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.

CVSS metrics in full

The score comes from this vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: Required — someone has to click, open or visit something.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: High — total loss, or loss the attacker controls.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2017-12862 is classified as CWE-119: Improper Restriction of Operations within Memory Buffer Bounds. A read or write is performed without confirming it stays inside the allocated buffer, corrupting adjacent memory.

Affected software

CVE-2017-12862 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 2 July 2026 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)
lists.debian.org (Web)
lists.debian.org (Web)
security.gentoo.org (Web)
pypi.org (Package)
github.com (Advisory)

Other advisories for this package

opencv-contrib-python has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-119: Improper Restriction of Operations within Memory Buffer Bounds) in other software:

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-119
Public Exploit ✅ No
Source OSV
Published 2026-07-02
Updated 2026-08-20
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

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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