CVE-2021-44648 Memory corruption in n/a

High 8.8 Published 12 Jan 2022 Updated 4 Aug 2024

A heap-buffer overflow in gdk-pixbuf allows attackers to execute arbitrary code or cause denial of service via crafted GIF files.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2021-44648?

CVE-2021-44648 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 12 Jan 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

GNOME gdk-pixbuf 2.42.6 is vulnerable to a heap-buffer overflow vulnerability when decoding the lzw compressed stream of image data in GIF files with lzw minimum code size equals to 12.

Weakness: CWE-787

Which versions are affected by CVE-2021-44648?

It affects 3 products.

Linux distribution packages (17)

`gdk-pixbuf` SUSE:Enterprise Storage 7	All versions	`2.40.0-150200.3.9.1`
`gdk-pixbuf` SUSE:Linux Enterprise High Performance Computing 15 SP2-ESPOS	All versions	`2.40.0-150200.3.9.1`
`gdk-pixbuf` SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS	All versions	`2.40.0-150200.3.9.1`
`gdk-pixbuf` SUSE:Linux Enterprise Micro 5.2	All versions	`2.40.0-150200.3.9.1`
`gdk-pixbuf` SUSE:Linux Enterprise Module for Basesystem 15 SP3	All versions	`2.40.0-150200.3.9.1`
`gdk-pixbuf` SUSE:Linux Enterprise Module for Basesystem 15 SP4	All versions	`2.42.9-150400.5.6.1`
`gdk-pixbuf` SUSE:Linux Enterprise Module for Desktop Applications 15 SP3	All versions	`2.40.0-150200.3.9.1`
`gdk-pixbuf` SUSE:Linux Enterprise Server 15 SP2-BCL	All versions	`2.40.0-150200.3.9.1`
`gdk-pixbuf` SUSE:Linux Enterprise Server 15 SP2-LTSS	All versions	`2.40.0-150200.3.9.1`
`gdk-pixbuf` SUSE:Linux Enterprise Server for SAP Applications 15 SP2	All versions	`2.40.0-150200.3.9.1`
`gdk-pixbuf` SUSE:Manager Proxy 4.1	All versions	`2.40.0-150200.3.9.1`
`gdk-pixbuf` SUSE:Manager Retail Branch Server 4.1	All versions	`2.40.0-150200.3.9.1`
`gdk-pixbuf` SUSE:Manager Server 4.1	All versions	`2.40.0-150200.3.9.1`
`gdk-pixbuf` openSUSE:Leap 15.3	All versions	`2.40.0-150200.3.9.1`
`gdk-pixbuf` openSUSE:Leap 15.4	All versions	`2.42.9-150400.5.6.1`
`gdk-pixbuf` openSUSE:Leap Micro 5.2	All versions	`2.40.0-150200.3.9.1`
`gdk-pixbuf` openSUSE:Tumbleweed	All versions	`2.42.9-3.1`

Products include Debian Debian Linux, Fedoraproject Fedora, Gnome Gdkpixbuf.

How do I fix CVE-2021-44648?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-44648 being exploited?

There is no known exploitation of CVE-2021-44648 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as ALPINE-CVE-2021-44648, DEBIAN-CVE-2021-44648, GHSA-hm7g-c3p8-8xwf, MGASA-2022-0402, SUSE-SU-2022:3153-1, SUSE-SU-2022:3230-1 and 3 more.