TI-2019-13890 Aliases CVE-2019-19269 GHSA-46rx-rvqp-8rxj

An issue was discovered in tls_verify_crl in ProFTPD through 1.3.6b.

LOW 26CWE-476Published 2019-11-26 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.

Summary

An issue was discovered in tls_verify_crl in ProFTPD through 1.3.6b. A dereference of a NULL pointer may occur. This pointer is returned by the OpenSSL sk_X509_REVOKED_value() function when encountering an empty CRL installed by a system administrator. The dereference occurs when validating the certificate of a client connecting to the server in a TLS client/server mutual-authentication setup.

Why it matters now

EPSS 0.01645 76th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 11

CPE	Versions	Role	Vendor
cpe:2.3:a:proftpd:proftpd::::::::	up to 1.3.5e	Vulnerable	ProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.6:-::::::	1.3.6	Vulnerable	ProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.6:alpha::::::	1.3.6 alpha	Vulnerable	ProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.6:beta::::::	1.3.6 beta	Vulnerable	ProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.6:rc1::::::	1.3.6 rc1	Vulnerable	ProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.6:rc2::::::	1.3.6 rc2	Vulnerable	ProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.6:rc3::::::	1.3.6 rc3	Vulnerable	ProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.6:rc4::::::	1.3.6 rc4	Vulnerable	ProFTPD
cpe:2.3:o:fedoraproject:fedora:30:::::::*	30	Vulnerable	Fedoraproject
cpe:2.3:o:fedoraproject:fedora:31:::::::*	31	Vulnerable	Fedoraproject

cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:* Versions up to 1.3.5e Vulnerable ·ProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.6:-:*:*:*:*:*:* Versions 1.3.6 Vulnerable ·ProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.6:alpha:*:*:*:*:*:* Versions 1.3.6 alpha Vulnerable ·ProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.6:beta:*:*:*:*:*:* Versions 1.3.6 beta Vulnerable ·ProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.6:rc1:*:*:*:*:*:* Versions 1.3.6 rc1 Vulnerable ·ProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.6:rc2:*:*:*:*:*:* Versions 1.3.6 rc2 Vulnerable ·ProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.6:rc3:*:*:*:*:*:* Versions 1.3.6 rc3 Vulnerable ·ProFTPD
cpe:2.3:a:proftpd:proftpd:1.3.6:rc4:*:*:*:*:*:* Versions 1.3.6 rc4 Vulnerable ·ProFTPD
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* Versions 31 Vulnerable ·Fedoraproject

Show 1 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:o:debian:debian_linux:8.0:::::::*	8.0	Vulnerable	Debian

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2019-19269
2026-10-03 Alias added: GHSA-46rx-rvqp-8rxj

References

Patch 1

https://github.com/proftpd/proftpd/issues/861

Advisory 5

Other 1

https://www.oracle.com/security-alerts/cpuapr2020.html

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences