Resource exhaustion in Ruby Net-imap
CVE-2025-25186
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-…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.001 (33.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Ruby Net-imap — versions >= 0.3.2, < 0.3.8, >= 0.4.0, < 0.4.19, >= 0.5.0, < 0.5.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/ruby/net-imap/security/advisories/GHSA-7fc5-f82f-cx69 (x_refsource_CONFIRM)
- https://github.com/ruby/net-imap/commit/70e3ddd071a94e450b3238570af482c296380b35 (x_refsource_MISC)
- https://github.com/ruby/net-imap/commit/c8c5a643739d2669f0c9a6bb9770d0c045fd74a3 (x_refsource_MISC)
- https://github.com/ruby/net-imap/commit/cb92191b1ddce2d978d01b56a0883b6ecf0b1022 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-25186?
- CVE-2025-25186 is a medium-severity vulnerability in Ruby Net-imap, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2025-02-10.
- How severe is CVE-2025-25186?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2025-25186 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.