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Fencer Vulns
high 8.8

CVE-2017-12863 json

Integer Overflow or Wraparound in OpenCV

published 2017-08-15 9 y ago modified 2026-09-10 1 mo ago also GHSA-wq8f-wvqp-xvvm , PYSEC-2026-2832 , PYSEC-2026-717 , EUVD-2021-2268

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

In opencv/modules/imgcodecs/src/grfmt_pxm.cpp, function PxMDecoder::readData has an integer overflow when calculate src_pitch. 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-2017-12863

  • 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-2017-12863

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-2017-12863 updated cvss 3.3

opencv: Integer overflow in PxMDecoder::readData function in 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

2.72% chance of exploitation in the next 30 days, higher than 86% 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
GitHub 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
OSV 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-190 Integer Overflow or Wraparound

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.