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High, CVSS 8.6amended

opencv-contrib-python-headless bundled libwebp binaries in wheels that are vulnerable to CVE-2023-4863

GHSA-w2pj-9cgh-mq2c

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (opencv-contrib-python-headless 4.8.1.78), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS 4.0
8.6 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N · score source
EPSS
No dated EPSS signal available.
Source description

As published by the source; long descriptions are shortened.

opencv-contrib-python-headless versions before v4.8.1.78 bundled libwebp binaries in wheels that are vulnerable to CVE-2023-4863. opencv-contrib-python-headless v4.8.1.78 upgrades the bundled libwebp binary to v1.3.2.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 3 · amended ·

    Amended from ghsa record GHSA-w2pj-9cgh-mq2c

  2. Revision 2 · amended ·

    Reviewed OSV alias/range/CVSS4 correction; package source scopes and original publication preserved. No customer finding resolved.

  3. Revision 1 · created ·

    Published from osv record GHSA-w2pj-9cgh-mq2c

Agent brief

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# Patch Next advisory brief: GHSA-w2pj-9cgh-mq2c

Advisory: opencv-contrib-python-headless bundled libwebp binaries in wheels that are vulnerable to CVE-2023-4863
IDs: GHSA-w2pj-9cgh-mq2c
Record: https://patchnext.com/advisories/ghsa-w2pj-9cgh-mq2c (revision 3, source checked 26 Oct 2026, 13:16 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 8.6)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: opencv-contrib-python-headless 4.8.1.78. A vendor fix does not mean a deployment is fixed.

## Affected components
- PyPI opencv-contrib-python-headless: affected < 4.8.1.78; fixed in 4.8.1.78

## Suggested inspection (read-only)
- `python -m pip show opencv-contrib-python-headless`: prints the installed version. Run with the environment that serves production active.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on opencv-contrib-python-headless.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://osv.dev/vulnerability/GHSA-w2pj-9cgh-mq2c (OSV record GHSA-w2pj-9cgh-mq2c lists affected ranges: PyPI opencv-contrib-python-headless >=0 <4.8.1.78 (fixed))
- Verified: https://github.com/advisories/GHSA-w2pj-9cgh-mq2c (GitHub-reviewed advisory GHSA-w2pj-9cgh-mq2c lists affected ranges: PyPI opencv-contrib-python-headless >=0 <4.8.1.78)

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