Detections
Analytics
SCA: security update for net-imap (GHSA-7fc5-f82f-cx69)
medium Tenable Cloud Security Plugin ID 420860
Description
There are packages installed that are affected by a vulnerability referenced in the following CVE:- Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Starting in
version 0.3.2 and prior to versions 0.3.8, 0.4.19, and 0.5.6, there is a possibility for denial of service
by memory exhaustion in `net-imap`'s response parser. At any time while the client is connected, a
malicious server can send can send highly compressed `uid-set` data which is automatically read by the
client's receiver thread. The response parser uses `Range#to_a` to convert the `uid-set` data into arrays
of integers, with no limitation on the expanded size of the ranges. Versions 0.3.8, 0.4.19, 0.5.6, and
higher fix this issue. Additional details for proper configuration of fixed versions and backward
compatibility are available in the GitHub Security Advisory. (CVE-2025-25186)
See Also
Plugin Details
Severity: Medium
ID: 420860
Version: Revision 1.7
Type: Local
Family: SCA Checks
Published: 2/10/2025
Updated: 7/2/2026
Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security
Risk Information
VPR
Risk Factor: Low
Score: 3
Percentile: 23.92
Vendor
Vendor Severity: Medium
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 5.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2025-25186
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 5.7
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS v4
Risk Factor: Medium
Base Score: 6
Threat Score: 2.3
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Vulnerability Information
Exploit Ease: No known exploits are available
Patch Publication Date: 2/10/2025
Vulnerability Publication Date: 2/10/2025
Reference Information
CVE: CVE-2025-25186