CVE-2016-7544 Use after free in n/a

High 7.5 Published 30 Jan 2017 Updated 6 Aug 2024

Incorrect memory management in Crypto++ can lead to freeing the wrong pointer, potentially causing crashes or arbitrary code execution.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2016-7544?

CVE-2016-7544 is a high-severity use after free vulnerability in n/a, published on 30 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Crypto++ 5.6.4 incorrectly uses Microsoft's stack-based _malloca and _freea functions. The library will request a block of memory to align a table in memory. If the table is later reallocated, then the wrong pointer could be freed.

Weakness: CWE-399

Which versions are affected by CVE-2016-7544?

It affects 1 product.

Products include Cryptopp Crypto\+\+.

How do I fix CVE-2016-7544?

No fix has been published for CVE-2016-7544 yet. Limit exposure of the affected software until one is available.

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-2016-7544 being exploited?

There is no known exploitation of CVE-2016-7544 in the wild and no public exploit code.

Sources

Also known as GHSA-3wp6-w2rj-8433.