CVE-2021-27218
Published: 15 February 2021
An issue was discovered in GNOME GLib before 2.66.7 and 2.67.x before 2.67.4. If g_byte_array_new_take() was called with a buffer of 4GB or more on a 64-bit platform, the length would be truncated modulo 2**32, causing unintended length truncation.
Priority
Status
Package | Release | Status |
---|---|---|
glib2.0 Launchpad, Ubuntu, Debian |
impish |
Not vulnerable
(2.67.5-2)
|
bionic |
Released
(2.56.4-0ubuntu0.18.04.7)
|
|
focal |
Released
(2.64.6-1~ubuntu20.04.2)
|
|
groovy |
Released
(2.66.1-2ubuntu0.1)
|
|
hirsute |
Not vulnerable
(2.67.5-2)
|
|
trusty |
Needed
|
|
upstream |
Released
(2.66.7-1)
|
|
xenial |
Released
(2.48.2-0ubuntu4.7)
|
|
jammy |
Not vulnerable
(2.67.5-2)
|
|
kinetic |
Not vulnerable
(2.67.5-2)
|
|
lunar |
Not vulnerable
(2.67.5-2)
|
|
mantic |
Not vulnerable
(2.67.5-2)
|
|
Patches: upstream: https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1942 upstream: https://gitlab.gnome.org/GNOME/glib/-/merge_requests/1944 upstream: https://gitlab.gnome.org/GNOME/glib/-/commit/acb7b0ec69f26a7df10af3992359890b09f076e8 upstream: https://gitlab.gnome.org/GNOME/glib/-/commit/0f384c88a241bbbd884487b1c40b7b75f1e638d3 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |