Bug 2485396

Summary:	CVE-2026-49975 mod_http2: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Dhananjay Arunesh <darunesh>
Component:	mod_http2	Assignee:	Luboš Uhliarik <luhliari>
Status:	NEW ---	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	high	Docs Contact:
Priority:	high
Version:	45	CC:	jorton, luhliari, seann, tcfxfzoi
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["a3e68c4f-26c2-49d5-b8c4-1fff8d07a4a9"]}
Fixed In Version:		Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:		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:	2485371

Description Dhananjay Arunesh 2026-06-05 09:03:09 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 Seann Herdejurgen 2026-06-19 22:27:57 UTC

Any idea when this vulnerability will get patched?

Is it just a matter of updating rpm to mod_http2 2.0.42 or is it more involved than that?

Comment 2 MIN-ZHI, CHEN 2026-06-30 11:01:58 UTC

(In reply to Seann Herdejurgen from comment #1)
> Any idea when this vulnerability will get patched?
> 
> Is it just a matter of updating rpm to mod_http2 2.0.42 or is it more
> involved than that?

I also want to know the status of process by package maintainers.
It seems most affected redhat product have been patched already.

Comment 3 Aoife Moloney 2026-08-17 14:45:50 UTC

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