CVE-2006-1991 Denial of service in n/a
An out-of-bounds offset in PHP's substr_compare function allows attackers to cause a denial of service via memory access violation.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- Available
What is CVE-2006-1991?
CVE-2006-1991 is a medium-severity denial of service vulnerability in Php Php, published on 24 Apr 2006.
Official description
The substr_compare function in string.c in PHP 5.1.2 allows context-dependent attackers to cause a denial of service (memory access violation) via an out-of-bounds offset argument.
Weakness: CWE-399
Which versions are affected by CVE-2006-1991?
It affects 1 product.
Products include Php Php.
How do I fix CVE-2006-1991?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2006-1991 being exploited?
There is no known exploitation of CVE-2006-1991 in the wild and no public exploit code.
Other vulnerabilities in Php Php
Sources
Also known as GHSA-7xcj-pr22-cx39.