Bug 2419106 - CVE-2025-14087 glib2: A buffer-underflow vulnerability exists in GLib’s GVariant parser, specifically within bytestring_parse() and string_parse(). The parser uses signed 32-bit integers (gint) as loop indices (i and j). When extremely lar ... [fedora-42]
Summary: CVE-2025-14087 glib2: A buffer-underflow vulnerability exists in GLib’s GVari...
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Fedora
Classification: Fedora
Component: glib2
Version: 42
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Matthias Clasen
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["685a336e-bed7-4264-b399-8...
Depends On:
Blocks: CVE-2025-14087
TreeView+ depends on / blocked
 
Reported: 2025-12-05 09:17 UTC by Abhishek Raj
Modified: 2026-03-18 16:45 UTC (History)
5 users (show)

Fixed In Version: glib2-2.86.3-1.fc43 glib2-2.87.1-1.fc44
Clone Of:
Environment:
Last Closed: 2026-03-18 16:45:43 UTC
Type: ---
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
GNOME Gitlab GNOME glib issues 3834 0 None closed (CVE-2025-14087) (#YWH-PGM9867-145) Buffer underflow on Glib through glib/gvariant via bytestring_parse() or string_pars... 2026-03-18 16:45:42 UTC

Description Abhishek Raj 2025-12-05 09:17:00 UTC 
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Comment 1 Milan Crha 2026-03-18 16:45:43 UTC 
Fixed upstream for 2.86.3 and 2.87.1 according to https://gitlab.gnome.org/GNOME/glib/-/issues/3834 . I defer to backport to f42.
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