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Red Hat Security Advisory: nginx:1.26 security update

0
High
VulnerabilityCVE-2026-56434gcveosvubuntu-cve-2026-56434ubuntu-pro-14-04-ltsubuntu-pro-16-04-ltsubuntu-pro-18-04-ltsubuntu-pro-20-04-ltsubuntu-22-04-ltsubuntu-24-04-ltsubuntu-26-04-ltsbit-nginx-2026-56434cve-2026-56434bitnamicsafcve-2026-60005red-hat-product-security
Published: 08/25/2026 (08/25/2026, 19:06:21 UTC)
Source: GCVE Database
Vendor/Project: Red Hat Product Security
Product: Red Hat

Description

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: Heap buffer over-read allows memory modification or denial of service (CVE-2026-56434) * nginx: NGINX: Memory disclosure and denial of service in ngx_http_slice_module (CVE-2026-60005) 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

Ubuntu:Pro:14.04:LTSmore threats →ghsa
nginx
pkg:deb/ubuntu/[email protected]+esm8?arch=source&distro=esm-infra-legacy/trusty
Affected versions
=1.4.1-3ubuntu1=1.4.3-2ubuntu1=1.4.4-1ubuntu1=1.4.4-2ubuntu1=1.4.4-4ubuntu1=1.4.5-1ubuntu1=1.4.6-1ubuntu2=1.4.6-1ubuntu3=1.4.6-1ubuntu3.1=1.4.6-1ubuntu3.2=1.4.6-1ubuntu3.3=1.4.6-1ubuntu3.4=1.4.6-1ubuntu3.5=1.4.6-1ubuntu3.6=1.4.6-1ubuntu3.7=1.4.6-1ubuntu3.8=1.4.6-1ubuntu3.9=1.4.6-1ubuntu3.9+esm1=1.4.6-1ubuntu3.9+esm2=1.4.6-1ubuntu3.9+esm3=1.4.6-1ubuntu3.9+esm4=1.4.6-1ubuntu3.9+esm5=1.4.6-1ubuntu3.9+esm6=1.4.6-1ubuntu3.9+esm8
Ubuntu:Pro:16.04:LTSmore threats →ghsa
nginx
pkg:deb/ubuntu/[email protected]+esm9?arch=source&distro=esm-infra-legacy/xenial
Affected versions
=1.9.3-1ubuntu1=1.9.6-2ubuntu1=1.9.6-2ubuntu2=1.9.9-0ubuntu1=1.9.9-1ubuntu1=1.9.10-0ubuntu1=1.9.10-1ubuntu1=1.9.11-0ubuntu1=1.9.11-0ubuntu2=1.9.12-0ubuntu1=1.9.13-0ubuntu1=1.9.14-0ubuntu1=1.9.15-0ubuntu1=1.10.0-0ubuntu0.16.04.1=1.10.0-0ubuntu0.16.04.2=1.10.0-0ubuntu0.16.04.3=1.10.0-0ubuntu0.16.04.4=1.10.3-0ubuntu0.16.04.1=1.10.3-0ubuntu0.16.04.2=1.10.3-0ubuntu0.16.04.3=1.10.3-0ubuntu0.16.04.4=1.10.3-0ubuntu0.16.04.5=1.10.3-0ubuntu0.16.04.5+esm1=1.10.3-0ubuntu0.16.04.5+esm2=1.10.3-0ubuntu0.16.04.5+esm3=1.10.3-0ubuntu0.16.04.5+esm4=1.10.3-0ubuntu0.16.04.5+esm5=1.10.3-0ubuntu0.16.04.5+esm6=1.10.3-0ubuntu0.16.04.5+esm7=1.10.3-0ubuntu0.16.04.5+esm9
Ubuntu:Pro:18.04:LTSmore threats →ghsa
nginx
pkg:deb/ubuntu/[email protected]+esm4?arch=source&distro=esm-infra/bionic
Affected versions
=1.12.1-0ubuntu2=1.13.6-2ubuntu1=1.13.6-2ubuntu2=1.13.10-1ubuntu1=1.13.12-0ubuntu1=1.14.0-0ubuntu1=1.14.0-0ubuntu1.1=1.14.0-0ubuntu1.2=1.14.0-0ubuntu1.3=1.14.0-0ubuntu1.4=1.14.0-0ubuntu1.5=1.14.0-0ubuntu1.6=1.14.0-0ubuntu1.7=1.14.0-0ubuntu1.9=1.14.0-0ubuntu1.10=1.14.0-0ubuntu1.11=1.14.0-0ubuntu1.11+esm1=1.14.0-0ubuntu1.11+esm2=1.14.0-0ubuntu1.11+esm4
Ubuntu:Pro:20.04:LTSmore threats →ghsa
nginx
pkg:deb/ubuntu/[email protected]+esm3?arch=source&distro=esm-infra/focal
Affected versions
=1.16.1-0ubuntu2=1.16.1-0ubuntu3=1.17.5-0ubuntu1=1.17.6-0ubuntu1=1.17.7-0ubuntu1=1.17.8-0ubuntu1=1.17.8-0ubuntu2=1.17.8-0ubuntu3=1.17.9-0ubuntu1=1.17.9-0ubuntu2=1.17.9-0ubuntu3=1.17.10-0ubuntu1=1.18.0-0ubuntu1=1.18.0-0ubuntu1.2=1.18.0-0ubuntu1.3=1.18.0-0ubuntu1.4=1.18.0-0ubuntu1.5=1.18.0-0ubuntu1.6=1.18.0-0ubuntu1.7=1.18.0-0ubuntu1.7+esm1=1.18.0-0ubuntu1.7+esm3
Ubuntu:22.04:LTSmore threats →ghsa
nginx
pkg:deb/ubuntu/[email protected]?arch=source&distro=jammy
Affected versions
=1.18.0-6ubuntu11=1.18.0-6ubuntu12=1.18.0-6ubuntu14=1.18.0-6ubuntu14.1=1.18.0-6ubuntu14.2=1.18.0-6ubuntu14.3=1.18.0-6ubuntu14.4=1.18.0-6ubuntu14.5=1.18.0-6ubuntu14.6=1.18.0-6ubuntu14.7=1.18.0-6ubuntu14.8=1.18.0-6ubuntu14.10=1.18.0-6ubuntu14.11=1.18.0-6ubuntu14.12=1.18.0-6ubuntu14.13=1.18.0-6ubuntu14.14=1.18.0-6ubuntu14.15=1.18.0-6ubuntu14.16=1.18.0-6ubuntu14.17
Ubuntu:24.04:LTSmore threats →ghsa
nginx
pkg:deb/ubuntu/[email protected]?arch=source&distro=noble
Affected versions
=1.24.0-1ubuntu1=1.24.0-2ubuntu1=1.24.0-2ubuntu2=1.24.0-2ubuntu3=1.24.0-2ubuntu4=1.24.0-2ubuntu6=1.24.0-2ubuntu7=1.24.0-2ubuntu7.1=1.24.0-2ubuntu7.3=1.24.0-2ubuntu7.4=1.24.0-2ubuntu7.5=1.24.0-2ubuntu7.6=1.24.0-2ubuntu7.7=1.24.0-2ubuntu7.8=1.24.0-2ubuntu7.9=1.24.0-2ubuntu7.10=1.24.0-2ubuntu7.11=1.24.0-2ubuntu7.12=1.24.0-2ubuntu7.13=1.24.0-2ubuntu7.14
Ubuntu:26.04:LTSmore threats →ghsa
nginx
pkg:deb/ubuntu/[email protected]?arch=source&distro=resolute
Affected versions
=1.28.0-6ubuntu1=1.28.1-2ubuntu1=1.28.1-3ubuntu1=1.28.2-2ubuntu1=1.28.3-2ubuntu1=1.28.3-2ubuntu1.1=1.28.3-2ubuntu1.2=1.28.3-2ubuntu1.3=1.28.3-2ubuntu1.4=1.28.3-2ubuntu1.5=1.28.3-2ubuntu1.6=1.28.3-2ubuntu1.7

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

Technical Details

Gcve Source
db.gcve.eu
Osv Id
UBUNTU-CVE-2026-56434
Osv Schema Version
1.7.0
Ecosystems
["Ubuntu:Pro:14.04:LTS","Ubuntu:Pro:16.04:LTS","Ubuntu:Pro:18.04:LTS","Ubuntu:Pro:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:26.04:LTS"]
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6a5e7a702a4a8d59899de926

Added to database: 07/20/2026, 19:43:44 UTC

Last updated: 09/12/2026, 22:01:35 UTC

Views: 33

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