- Vulnerability/
- RHSA-2021:2278
RHSA-2021:2278: Important: rh-nginx116-nginx security update
First published: Mon Jun 07 2021(Updated: )
nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. <br>Security Fix(es):<br><li> nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name (CVE-2021-23017)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/rh-nginx116-nginx | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx-debuginfo | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx-mod-http-image-filter | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx-mod-http-perl | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx-mod-http-xslt-filter | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx-mod-mail | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx-mod-stream | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx-debuginfo | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx-mod-http-image-filter | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx-mod-http-perl | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx-mod-http-xslt-filter | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx-mod-mail | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx-mod-stream | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx-debuginfo | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx-mod-http-image-filter | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx-mod-http-perl | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx-mod-http-xslt-filter | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx-mod-mail | <1.16.1-6.el7 | 1.16.1-6.el7 |
| redhat/rh-nginx116-nginx-mod-stream | <1.16.1-6.el7 | 1.16.1-6.el7 |
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 the severity of RHSA-2021:2278?
The severity of RHSA-2021:2278 is classified as important.
How do I fix RHSA-2021:2278?
To fix RHSA-2021:2278, update to version 1.16.1-6.el7 or later of the affected packages.
Which versions of nginx are affected by RHSA-2021:2278?
Versions up to and including 1.16.1-6.el7 of nginx are affected by RHSA-2021:2278.
What is the CVE associated with RHSA-2021:2278?
RHSA-2021:2278 is associated with CVE-2021-23017, which describes an off-by-one error in nginx.
Which Red Hat packages need to be updated for RHSA-2021:2278?
The affected Red Hat packages include rh-nginx116-nginx and its related modules and debuginfo packages.
- agent/severity
- agent/type
- agent/softwarecombine
- agent/first-publish-date
- agent/last-modified-date
- collector/redhat-errata
- source/Red Hat
- anchor-id/RHSA-2021:2278
- agent/software-canonical-lookup
- agent/references
- agent/remedy
- agent/title
- agent/description
- agent/event
- agent/trending
- agent/tags
- agent/source
- package-manager/redhat