DEBIAN-CVE-2019-19269

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2019-19269
Downstream
DLA-2018-1
Published: 30 Nov 2019, 23:15
Last modified:28 Apr 2026, 20:20

Vulnerability Summary

Overall Risk (default)
low
20/100
CVSS Score
4.9 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

30 Nov 2019, 23:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:20
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.9CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • debian•proftpd-dfsg

    < 1.3.6b-2 | < 1.3.6b-2 | < 1.3.6b-2 | < 1.3.6b-2

References (1)