CVE-2021-20240
Published: 17 February 2021
A flaw was found in gdk-pixbuf in versions before 2.42.0. An integer wraparound leading to an out of bounds write can occur when a crafted GIF image is loaded. An attacker may cause applications to crash or could potentially execute code on the victim system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Notes
| Author | Note |
|---|---|
| mdeslaur | vulnerable code introduced in: https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/4e7b5345d2fc8f0d1dee93d8ba9ab805bc95d42f |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
gdk-pixbuf Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
| focal |
Released
(2.40.0+dfsg-3ubuntu0.2)
|
|
| groovy |
Released
(2.40.0+dfsg-5ubuntu0.2)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(2.42.2+dfsg-1)
|
|
| xenial |
Not vulnerable
(code not present)
|
|
|
Patches: upstream: https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/086e8adf4cc352cd11572f96066b001b545f354e |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |