DEBIAN-CVE-2019-17023

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2019-17023
Downstream
DSA-4726-1
Published: 08 Jan 2020, 22:15
Last modified:28 Apr 2026, 20:20

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

08 Jan 2020, 22:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:20
Last Modified
Vulnerability information updated

Description

After a HelloRetryRequest has been sent, the client may negotiate a lower protocol that TLS 1.3, resulting in an invalid state transition in the TLS State Machine. If the client gets into this state, incoming Application Data records will be ignored. This vulnerability affects Firefox < 72.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected Systems

  • debian•nss

    < 2:3.49-1 | < 2:3.49-1 | < 2:3.49-1 | < 2:3.49-1

References (1)