RLSA-2026:66542

Source
https://errata.rockylinux.org/RLSA-2026:66542
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:66542.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:66542
Upstream
Published
2026-09-11T12:05:26Z
Modified
2026-09-11T12:30:02Z
Severity
  • 7.0 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H CVSS Calculator
Summary
Important: nginx security update
Details

nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage.

Security Fix(es):

  • nginx: NGINX: Arbitrary code execution via crafted HTTP requests (CVE-2026-42533)

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.

Database specific
{
    "license": "CC-BY-4.0",
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory": "RHSA-2026:66542"
}
References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:9 / nginx

Package

Name
nginx
Purl
pkg:rpm/rocky-linux/nginx?distro=rocky-linux-9&epoch=2

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2:1.20.1-28.el9_8.6.rocky.0.1
Database specific
Show details
{
    "yum_repository": "AppStream"
}

Database specific

source
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:66542.json"