---
title: "Security digest: December 12, 2023"
url: https://erroneo.us/security/2023-12-12/
description: "December 12, 2023 vulnerability digest: 1 critical advisory (GitHub Actions). What to patch and who can relax."
type: security-digest-day
section: "Security Digest"
date_published: 2023-12-12
date_modified: 2023-12-12
publisher: erroneo.us
author: erroneo.us Security Desk
license: All rights reserved. Quote with attribution and a link.
---

# Security digest: December 12, 2023

1 critical advisory.

## Take stock

- GitHub Actions: 1 critical advisory ( afichet/openexr-viewer ). Check with grep -rn 'uses: <owner>/<action>' .github/workflows .
- None of it touches your stack? Then there is nothing to do today. That is a result, not a failure to read carefully.

## Known exploited (CISA KEV)

None.

## Critical advisories

- [CVE-2023-50245](https://erroneo.us/security/cve/CVE-2023-50245/index.md) memory overflow vulnerability in OpenEXR-viewer — GitHub Actions afichet/openexr-viewer < 0.6.1 → 0.6.1

---
Source page: https://erroneo.us/security/2023-12-12/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt