| Name | CVE-2025-4373 |
| Description | A flaw was found in GLib, which is vulnerable to an integer overflow in the g_string_insert_unichar() function. When the position at which to insert the character is large, the position will overflow, leading to a buffer underwrite. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1104930 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| glib2.0 (PTS) | bullseye | 2.66.8-1+deb11u4 | vulnerable |
| bullseye (security) | 2.66.8-1+deb11u6 | vulnerable |
| bookworm | 2.74.6-2+deb12u6 | vulnerable |
| bookworm (security) | 2.74.6-2+deb12u2 | vulnerable |
| trixie | 2.84.1-2 | vulnerable |
| sid | 2.84.1-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| glib2.0 | source | (unstable) | 2.84.1-3 | | | 1104930 |
Notes
[bookworm] - glib2.0 <no-dsa> (Minor issue)
[bullseye] - glib2.0 <postponed> (Minor issue, fix along with next update)
https://gitlab.gnome.org/GNOME/glib/-/issues/3677
https://gitlab.gnome.org/GNOME/glib/-/merge_requests/4588
https://gitlab.gnome.org/GNOME/glib/-/merge_requests/4592