Bug 2495240

Summary:	CVE-2026-25681 glow: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting [epel-all]
Product:	[Fedora] Fedora EPEL	Reporter:	Christopher Lusk <clusk>
Component:	glow	Assignee:	Carl George 🤠 <carlwgeorge>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	epel10	CC:	carlwgeorge, go-sig
Target Milestone:	---	Keywords:	Reopened, Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["2b04a8f8-04fb-4c07-acfa-18c6f346b87d"]}
Fixed In Version:		Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-08-22 01:48:48 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:	2480761

Description Christopher Lusk 2026-06-30 21:10:14 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.

Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.

Comment 1 Fedora Update System 2026-08-22 01:44:24 UTC

FEDORA-2026-6e4f15e36b (gum-2.0.0-1.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-6e4f15e36b

Comment 2 Fedora Update System 2026-08-22 01:48:48 UTC

FEDORA-2026-6e4f15e36b (gum-2.0.0-1.fc45) has been pushed to the Fedora 45 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 3 Fedora Update System 2026-08-22 02:00:29 UTC

FEDORA-2026-023898bef1 (gum-2.0.0-1.fc46) has been submitted as an update to Fedora 46.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-023898bef1

Comment 4 Fedora Update System 2026-08-22 02:03:47 UTC

FEDORA-2026-023898bef1 (gum-2.0.0-1.fc46) has been pushed to the Fedora 46 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 5 Carl George 🤠 2026-08-22 02:14:32 UTC

Please ignore those bodhi updates, I accidentally referenced the wrong bugzilla ID in the commit message.