Collapse of Data into Unsafe Value Affecting net-imap package, versions <0.5.15>=0.6.0, <0.6.4.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RUBY-NETIMAP-17277057
- published10 Jun 2026
- disclosed9 Jun 2026
- creditfg0x0
Introduced: 9 Jun 2026
NewCVE-2026-47241 (opens in a new tab)How to fix?
Upgrade net-imap to version 0.5.15, 0.6.4.1 or higher.
Overview
Affected versions of this package are vulnerable to Collapse of Data into Unsafe Value incomplete validation of raw string arguments in certain IMAP command parameters (such as criteria, search_keys and attr). An attacker can cause commands to hang or trigger timeouts by supplying specially crafted input ending with a literal continuation marker, resulting in server misinterpretation and denial of service. This can be exploited by sending malicious input to affected command arguments, especially in multi-threaded environments where commands may be pipelined.