Detections
Analytics

SCA: security update for net-imap (GHSA-q2mw-fvj9-vvcw)

low Tenable Self-Hosted Container Security Plugin ID 441077

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. Prior to
 versions 0.4.24, 0.5.14, and 0.6.4, Net::IMAP::ResponseReader has quadratic time complexity when reading
 large responses containing many string literals. A hostile server can send responses which are crafted to
 exhaust the client's CPU for a denial of service attack. This issue has been patched in versions 0.4.24,
 0.5.14, and 0.6.4. (CVE-2026-42245)

Solution

Update the net-imap library and its related packages to version 0.4.24 or later.

See Also

https://github.com/advisories/GHSA-q2mw-fvj9-vvcw

Plugin Details

Severity: Low

ID: 441077

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 5/5/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.77

Vendor

Vendor Severity: Low

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-2026-42245

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

CVSS v4

Risk Factor: Low

Base Score: 2.3

Threat Score: 0.6

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:L/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/4/2026

Vulnerability Publication Date: 5/4/2026

Reference Information

CVE: CVE-2026-42245

cwe: CWE-407