CVE-2019-19272 Null dereference in n/a

What is CVE-2019-19272?

CVE-2019-19272 is a high-severity vulnerability in n/a, published on 26 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. Direct dereference of a NULL pointer (a variable initialized to NULL) leads to a crash when validating the certificate of a client connecting to the server in a TLS client/server mutual-authentication setup.

Weakness: CWE-476

Which versions are affected by CVE-2019-19272?

It affects 1 product.

Products include Proftpd Proftpd.

How do I fix CVE-2019-19272?

Upgrade to a fixed version.

Is CVE-2019-19272 being exploited?

There is no known exploitation of CVE-2019-19272 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-2011-4130 Use after free in n/a Critical 9.0
• 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

Sources

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

Also known as DEBIAN-CVE-2019-19272, GHSA-rrwp-p45h-xvj8, UBUNTU-CVE-2019-19272.