CVE-2016-4544 Memory corruption in n/a
Remote attackers can cause denial of service via crafted TIFF header data in the PHP exif extension due to missing validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-4544?
CVE-2016-4544 is a critical memory corruption vulnerability in Debian Debian Linux, published on 22 May 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The exif_process_TIFF_in_JPEG function in ext/exif/exif.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 does not validate TIFF start data, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted header data.
Weakness: CWE-119
Which versions are affected by CVE-2016-4544?
It affects 5 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Opensuse Leap, Opensuse Opensuse, Php Php.
How do I fix CVE-2016-4544?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2016-4544 being exploited?
There is no known exploitation of CVE-2016-4544 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as GHSA-4c9m-5jff-5f83, UBUNTU-CVE-2016-4544.