Detections
Analytics
SCA: security update for puma (GHSA-7xx3-m584-x994)
high Tenable Self-Hosted Container Security Plugin ID 422227
Description
There are packages installed that are affected by a vulnerability referenced in the following CVE:- In Puma before versions 3.12.2 and 4.3.1, a poorly-behaved client could use keepalive requests to
monopolize Puma's reactor and create a denial of service attack. If more keepalive connections to Puma are
opened than there are threads available, additional connections will wait permanently if the attacker
sends requests frequently enough. This vulnerability is patched in Puma 4.3.1 and 3.12.2. (CVE-2019-16770)
See Also
Plugin Details
Severity: High
ID: 422227
Version: Revision 1.4
Type: Local
Family: SCA Checks
Published: 3/28/2025
Updated: 7/2/2026
Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security
Risk Information
VPR
Risk Factor: Low
Score: 3
Percentile: 23.18
Vendor
Vendor Severity: Medium
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2019-16770
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
Exploit Ease: No known exploits are available
Patch Publication Date: 12/5/2019
Vulnerability Publication Date: 12/5/2019
Reference Information
CVE: CVE-2019-16770
cwe: CWE-770