| Name | CVE-2023-32665 |
| Description | A flaw was found in GLib. GVariant deserialization is vulnerable to an exponential blowup issue where a crafted GVariant can cause excessive processing, leading to denial of service. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3583-1 |
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 | fixed |
| bullseye (security) | 2.66.8-1+deb11u5 | fixed |
| bookworm | 2.74.6-2+deb12u4 | fixed |
| bookworm (security) | 2.74.6-2+deb12u2 | fixed |
| sid, trixie | 2.82.4-1 | 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 | buster | 2.58.3-2+deb10u5 | | DLA-3583-1 | |
| glib2.0 | source | bullseye | 2.66.8-1+deb11u1 | | | |
| glib2.0 | source | (unstable) | 2.74.4-1 | | | |
Notes
https://gitlab.gnome.org/GNOME/glib/-/issues/2121
https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3125
https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3126 (2.74, 3125 backport)
Merge commit for glib-2-74: https://gitlab.gnome.org/GNOME/glib/-/commit/e16fb83755e08a4c2da2b0a8ea0fc2e27b1154bf (2.74.4)
Be careful. Original fix introduces new bugs, resulting in CVE-2023-32643 and CVE-2023-32636
https://gitlab.gnome.org/GNOME/glib/-/issues/2840 (CVE-2023-32643)
https://gitlab.gnome.org/GNOME/glib/-/issues/2841 (CVE-2023-32636)