Bug 2433307

Summary:	CVE-2026-1484 glib: Integer Overflow Leading to Buffer Underflow and Out-of-Bounds Write in GLib g_base64_encode() [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Abhishek Raj <abhraj>
Component:	glib	Assignee:	Paul Howarth <paul>
Status:	CLOSED NOTABUG	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	43	CC:	paul, suraj.ghimire7
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["a1c2e48b-9ea4-412f-b7f8-2a9358aad591"]}
Fixed In Version:		Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-01-28 11:24:08 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:	2433259

Description Abhishek Raj 2026-01-27 12:55:37 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 Paul Howarth 2026-01-28 11:24:08 UTC

There are no g_base64* functions in glib version 1; they were introduced in glib2.