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CVE-2021-20240

Publication date 17 February 2021

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

8.8 · High

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
gdk-pixbuf 20.10 groovy
Fixed 2.40.0+dfsg-5ubuntu0.2
20.04 LTS focal
Fixed 2.40.0+dfsg-3ubuntu0.2
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release

Notes


mdeslaur

vulnerable code introduced in: https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/4e7b5345d2fc8f0d1dee93d8ba9ab805bc95d42f

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
gdk-pixbuf

Severity score breakdown

Parameter Value
Base score 8.8 · High
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

References

Related Ubuntu Security Notices (USN)

    • USN-4743-1
    • GDK-PixBuf vulnerability
    • 22 February 2021

Other references