CVE-2021-46829

Public on 2022-07-24
Modified on 2023-09-19
Description
GNOME GdkPixbuf (aka GDK-PixBuf) before 2.42.8 allows a heap-based buffer overflow when compositing or clearing frames in GIF files, as demonstrated by io-gif-animation.c composite_frame. This overflow is controllable and could be abused for code execution, especially on 32-bit systems.
Severity
Medium severity
Medium
CVSS v3 Base Score
6.6
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core gdk-pixbuf Not Affected
Amazon Linux 2023 gdk-pixbuf2 2023-08-31 ALAS2023-2023-341 Fixed
Amazon Linux 2023 gdk-pixbuf2 2023-09-14 ALAS2023-2023-352 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.6 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
NVD CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H