Bug 2436871

Summary:	CVE-2026-1642 nginx: NGINX: Data injection via man-in-the-middle attack on TLS proxied connections [fedora-43]
Product:	[Fedora] Fedora	Reporter:	Jon Moroney <jmoroney>
Component:	nginx	Assignee:	Felix Kaechele <felix>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	43	CC:	felix, jorton, luhliari, mikel, pavel.lisy
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["9aa6c359-3ae2-458d-ae9d-30d99350d909"]}
Fixed In Version:	nginx-1.28.2-1.fc43	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-02-15 01:10:35 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	2436738

Description Jon Moroney 2026-02-04 19:54:34 UTC

Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Comment 1 Fedora Update System 2026-02-05 05:08:12 UTC

FEDORA-2026-cd0705c6a7 (nginx-1.28.2-1.fc43, nginx-mod-brotli-1.0.0~rc-6.fc43, and 5 more) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-cd0705c6a7

Comment 2 Fedora Update System 2026-02-07 01:27:01 UTC

FEDORA-2026-cd0705c6a7 has been pushed to the Fedora 43 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-cd0705c6a7`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-cd0705c6a7

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 3 Fedora Update System 2026-02-15 01:10:35 UTC

FEDORA-2026-cd0705c6a7 (nginx-1.28.2-1.fc43, nginx-mod-brotli-1.0.0~rc-6.fc43, and 5 more) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.