CVE-2011-1148 Use after free in n/a

High 7.5 Published Updated

Attackers can trigger a use-after-free in PHP's substr_replace function, causing denial of service or potential code execution.

Exploited in the wild
Not known
Login needed
Not stated
Attackable
Not stated
Victim action needed
Not stated
Fix
Available

What is CVE-2011-1148?

CVE-2011-1148 is a high-severity use after free vulnerability in Php Php, published on 18 Mar 2011.

Official description

Use-after-free vulnerability in the substr_replace function in PHP 5.3.6 and earlier allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact by using the same variable for multiple arguments.

Weakness: CWE-399

Which versions are affected by CVE-2011-1148?

It affects 1 product.

Products include Php Php.

How do I fix CVE-2011-1148?

Upgrade to a fixed version.

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-2011-1148 being exploited?

There is no known exploitation of CVE-2011-1148 in the wild and no public exploit code.

All Php Php vulnerabilities

Sources

Also known as GHSA-w6xh-r634-49c8.

Is CVE-2011-1148 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free