Bug 2495884

Summary:	CVE-2026-48913 httpd: Apache HTTP Server mod_http2: Use After Free vulnerability allows arbitrary code execution or denial of service. [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Ganesh <gnaik>
Component:	httpd	Assignee:	Luboš Uhliarik <luhliari>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	45	CC:	anon.amish, jorton, luhliari, mturk
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["ec5b6df9-0866-4546-8d47-4a41927d46be"]}
Fixed In Version:	httpd-2.4.69-1.fc44	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-10-07 01:40:08 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:	2486405

Description Ganesh 2026-07-01 10:58:35 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.

Use After Free vulnerability in Apache HTTP Server module mod_http2 when file handles are already exhausted.

This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67.

Comment 1 Aoife Moloney 2026-08-17 15:11:07 UTC

This bug appears to have been reported against 'rawhide' during the Fedora Linux 45 development cycle.
Changing version to 45.

Comment 2 Fedora Update System 2026-10-05 07:55:31 UTC

FEDORA-2026-34b2d69632 (httpd-2.4.69-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-34b2d69632

Comment 3 Fedora Update System 2026-10-05 07:55:58 UTC

FEDORA-2026-b6d445cd3e (httpd-2.4.69-1.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-b6d445cd3e

Comment 4 Fedora Update System 2026-10-06 01:22:43 UTC

FEDORA-2026-b6d445cd3e has been pushed to the Fedora 45 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-b6d445cd3e`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-b6d445cd3e

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

Comment 5 Fedora Update System 2026-10-06 01:55:45 UTC

FEDORA-2026-34b2d69632 has been pushed to the Fedora 44 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-34b2d69632`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-34b2d69632

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

Comment 6 Fedora Update System 2026-10-06 02:25:35 UTC

FEDORA-2026-d3cec01bde 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-d3cec01bde`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-d3cec01bde

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

Comment 7 Fedora Update System 2026-10-07 01:40:08 UTC

FEDORA-2026-34b2d69632 (httpd-2.4.69-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.