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Fencer Vulns
high 8.8

CVE-2017-12862 json

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

published 2017-08-15 9 y ago modified 2026-09-10 1 mo ago also GHSA-5rpc-gwh9-q9fg , PYSEC-2026-2807 , PYSEC-2026-699 , EUVD-2021-2163

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

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 and earlier.

Patch / fix

  • pypi opencv-python 3.3.1.11
  • pypi opencv-contrib-python 3.3.1.11
  • opencv Debian 14, Debian 13, Debian 12 3.2.0+dfsg-6

debian advisories DEBIAN-CVE-2017-12862

  • opencv Ubuntu 16.04 LTS 2.4.9.1+dfsg-1.5ubuntu1.1
  • opencv Ubuntu 18.04 LTS 3.2.0+dfsg-4ubuntu0.1

ubuntu advisories UBUNTU-CVE-2017-12862

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-12862 updated cvss 3.3

opencv: Heap-based buffer over-write in modules/imgcodecs/src/grfmt_pxm.cpp

  • Red Hat Enterprise Linux 6 opencv, opencv-python Red Hat Enterprise Linux 7 opencv, opencv-core, opencv-python
    under investigation

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.09% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P
OSV 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
GitHub 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
pypi opencv-python
<3.3.1.11
3.3.1.11
pypi opencv-contrib-python
<3.3.1.11
3.3.1.11

Classification

Weakness
  • CWE-787 Out-of-bounds Write
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.