CVE-2019-6469: BIND Supported Preview Edition can exit with an assertion failure if ECS is in use
First published: Wed Oct 09 2019(Updated: )
An error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs. Versions affected: BIND 9.10.5-S1 -> 9.11.6-S1 of BIND 9 Supported Preview Edition.
Credit: security-officer@isc.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ISC BIND | =9.10.5-s1 | |
| ISC BIND | =9.11.6-s1 |
Remedy
Upgrade to the patched release most closely related to your current version of BIND: BIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers. >= BIND 9.11.7-S1
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is CVE-2019-6469?
CVE-2019-6469 is a vulnerability in the EDNS Client Subnet (ECS) feature for recursive resolvers in BIND 9.
What is the severity of CVE-2019-6469?
CVE-2019-6469 has a severity rating of high (7.5).
Which software versions are affected by CVE-2019-6469?
BIND 9.10.5-S1 through 9.11.6-S1 of BIND 9 Supported Preview Edition are affected by CVE-2019-6469.
How does CVE-2019-6469 impact the affected software?
CVE-2019-6469 can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs.
Where can I find more information about CVE-2019-6469?
You can find more information about CVE-2019-6469 at the following references: [Link 1](https://kb.isc.org/docs/cve-2019-6469) and [Link 2](https://support.f5.com/csp/article/K39751401?utm_source=f5support&utm_medium=RSS).
- collector/nvd-index
- agent/type
- agent/softwarecombine
- agent/severity
- agent/title
- agent/references
- agent/weakness
- agent/author
- agent/description
- agent/tags
- collector/mitre-cve
- source/MITRE
- agent/remedy
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/source
- vendor/isc
- canonical/isc bind
- version/isc bind/9.10.5-s1
- version/isc bind/9.11.6-s1