Heap-buffer Overflow in GNOME gdk-pixbuf Affects Image Processing
CVE-2021-44648

8.8HIGH

Key Information:

Vendor

Gnome
Status
Gdkpixbuf
Vendor
CVE Published:
12 January 2022

What is CVE-2021-44648?

The GNOME gdk-pixbuf version 2.42.6 exposes a vulnerability characterized by a heap-buffer overflow which occurs when processing GIF files containing LZW compressed streams. This specific vulnerability arises when the minimum code size for the LZW encoded data is set to 12, potentially allowing attackers to exploit the flaw during image decoding operations.

References

https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/136
x_refsource_MISC
https://sahildhar.github.io/blogpost/GdkPixbuf-Heap-Buffe...
x_refsource_MISC
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.