CVE-2016-6291 Memory corruption in n/a
Remote attackers can cause denial of service or leak memory via crafted JPEG images in the PHP exif extension.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-6291?
CVE-2016-6291 is a critical memory corruption vulnerability in Php Php, published on 25 Jul 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The exif_process_IFD_in_MAKERNOTE function in ext/exif/exif.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 allows remote attackers to cause a denial of service (out-of-bounds array access and memory corruption), obtain sensitive information from process memory, or possibly have unspecified other impact via a crafted JPEG image.
Weakness: CWE-119
Which versions are affected by CVE-2016-6291?
It affects 1 product.
Products include Php Php.
How do I fix CVE-2016-6291?
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-2016-6291 being exploited?
There is no known exploitation of CVE-2016-6291 in the wild and no public exploit code.
Other vulnerabilities in Php Php
Sources
Also known as GHSA-wf3c-8fp2-gqm4, UBUNTU-CVE-2016-6291.