CVE-2022-2519 Use after free in libtiff
A double free vulnerability in libtiff allows attackers to cause denial of service or potentially execute arbitrary code via crafted TIFF images.
- 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-2022-2519?
CVE-2022-2519 is a medium-severity use after free vulnerability in Debian Debian Linux, published on 31 Aug 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
There is a double free or corruption in rotateImage() at tiffcrop.c:8839 found in libtiff 4.4.0rc1
Weakness: CWE-415
Which versions are affected by CVE-2022-2519?
It affects 2 products.
Products include Debian Debian Linux, Libtiff Libtiff.
How do I fix CVE-2022-2519?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2022-2519 being exploited?
There is no known exploitation of CVE-2022-2519 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2022-2519, DEBIAN-CVE-2022-2519, GHSA-9rcr-wwr3-q567.