CVE-2011-4130 Use after free in n/a

What is CVE-2011-4130?

CVE-2011-4130 is a critical use after free vulnerability in n/a, published on 6 Dec 2011. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Use-after-free vulnerability in the Response API in ProFTPD before 1.3.3g allows remote authenticated users to execute arbitrary code via vectors involving an error that occurs after an FTP data transfer.

Weakness: CWE-399

Which versions are affected by CVE-2011-4130?

It affects 1 product.

Products include Proftpd Proftpd.

How do I fix CVE-2011-4130?

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-2011-4130 being exploited?

There is no known exploitation of CVE-2011-4130 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2010-4221 Memory corruption in n/a Critical 10.0
• CVE-2010-20103 ProFTPD 1.3.3c Backdoor Command Execution Critical 9.3
• CVE-2026-63090 ProFTPD mod_sftp Heap Buffer Overflow via SFTP Packet Reassembly High 8.7
• CVE-2026-35025 ProFTPD ACL Bypass via /proc/self/root Path Prefix in RNFR High 8.6
• CVE-2026-42167 SQL injection in ProFTPD High 8.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2011-4130, DSA-2346-1, DSA-2346-2, GHSA-jmgj-wg56-hjr9.