---
title: "Security digest: July 28, 2015"
url: https://erroneo.us/security/2015-07-28/
description: "July 28, 2015 vulnerability digest: 1 brief (BIND CVE-2015-5477: 2015 TKEY DNS Crash Bug Now…). What to patch and who can relax."
type: security-digest-day
section: "Security Digest"
date_published: 2015-07-28
date_modified: 2026-10-08
publisher: erroneo.us
author: erroneo.us Security Desk
license: All rights reserved. Quote with attribution and a link.
---

# Security digest: July 28, 2015

1 editorial brief.

## Take stock

- Check exposure: BIND CVE-2015-5477: 2015 TKEY DNS Crash Bug Now in KEV . Operators of BIND 9 builds older than 9.9.7-P2 or 9.10.2-P3, including old Linux servers, appliances and network devices that embed BIND, especially ones that answer DNS from the internet.
- None of it touches your stack? Then there is nothing to do today. That is a result, not a failure to read carefully.

## Editorial briefs

- **Check exposure** [BIND CVE-2015-5477: 2015 TKEY DNS Crash Bug Now in KEV](https://erroneo.us/security/briefs/bind-tkey-assertion-dos-cve-2015-5477/index.md): Any BIND release from the past decade is fixed, so most teams have nothing to do; the real risk is forgotten DNS servers and appliances still running pre-mid-2015 BIND, which one packet can knock offline.

## Known exploited (CISA KEV)

None.

## Critical advisories

None.

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Source page: https://erroneo.us/security/2015-07-28/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt