Bug 2433308 - CVE-2026-1484 glib2: Integer Overflow Leading to Buffer Underflow and Out-of-Bounds Write in GLib g_base64_encode() [fedora-all]
Summary: CVE-2026-1484 glib2: Integer Overflow Leading to Buffer Underflow and Out-of-...
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Fedora
Classification: Fedora
Component: glib2
Version: 43
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Matthias Clasen
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["a1c2e48b-9ea4-412f-b7f8-2...
Depends On:
Blocks: CVE-2026-1484
TreeView+ depends on / blocked
 
Reported: 2026-01-27 12:55 UTC by Abhishek Raj
Modified: 2026-03-19 09:56 UTC (History)
5 users (show)

Fixed In Version: glib2-2.87.3-1.fc45 glib2-2.87.3-1.fc44 glib2-2.86.4-1.fc43
Clone Of:
Environment:
Last Closed: 2026-03-19 09:56:26 UTC
Type: ---
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
GNOME Gitlab GNOME glib issues 3870 0 None closed (CVE-2026-1484) (YWH-PGM9867-168) Integer Overflow -> Buffer Underflow on Glib through glib/gbase64.c via g_base64_encod... 2026-03-19 09:56:26 UTC

Description Abhishek Raj 2026-01-27 12:55:42 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 Milan Crha 2026-03-19 09:56:26 UTC 
An upstream fix landed for 2.87.3 and 2.86.4 according to https://gitlab.gnome.org/GNOME/glib/-/issues/3870
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